lmha (v1.4) graph data
type: Ontology
creator: hra-do-processor
description: The graph representation of the LMHA Ontology dataset.
license: https://creativecommons.org/licenses/by/4.0/
publisher: HuBMAP
date created: 2026-06-08
version: v1.4

adipocyte
type: Class
subclass of: mesenchymal derived cell
has db xref: CL:0000136
has db xref: LMMA:00054
id: LMHA:00054
definition: A connective tissue cell specialized to synthesize and store fat, primarily in the form of triglycerides.
has domain: cell

alveolar interstitial cell
type: Class
subclass of: interstitial cell
has db xref: LMMA:00066
id: LMHA:00066
definition: A mesenchymal-derived connective tissue cell located in the interstitial space (interstitium or connective tissue compartment) of the alveolar septum (wall).
has domain: cell
synonym: alveolar connective tissue cell
synonym: alveolar mesenchymal cell
synonym: alveolar stromal cell

B lymphocyte
type: Class
subclass of: lymphocyte
has db xref: CL:0000236
has db xref: LMMA:00086
id: LMHA:00086
HTC code: BCL
has domain: cell
synonym: B cell

basal cell
type: Class
subclass of: bronchial epithelial cell
subclass of: tracheal epithelial cell
subclass of: submucosal gland duct epithelial cell
has db xref: CL:0000646
has db xref: LMMA:00087
id: LMHA:00087
definition: An epithelial cell located at the base, or basal side, of the epithelium, in direct contact with the underlying basement membrane. These are small polyhedral cells with a large nucleus, relatively little cytoplasm and few organelles. They are undifferentiated, self-renewing, multipotent, progenitor (stem) cells for other epithelial cell types in the airway.
display: true
has domain: cell

basophil
type: Class
subclass of: granulocyte
has db xref: CL:0000767
has db xref: LMMA:00090
id: LMHA:00090
has domain: cell
synonym: basophilic granulocyte
synonym: basophilic leukocyte

cell types
type: Class
subclass of: Cell Ontology for Human Lung Maturation
id: LMHA:00135
has domain: cell

connective tissue cell
type: Class
subclass of: cell types
has db xref: CL:0002320
has db xref: LMMA:00136
id: LMHA:00136
definition: A group of cells derived from embryonic mesoderm (mesenchyme) that includes fibroblasts, cartilage cells, adipocytes, smooth muscle cells and bone cells.
has domain: cell

mesenchymal cell
type: Class
subclass of: cell types
id: LMHA:00137
HTC code: MES
has abbreviation: MES
has domain: cell

chondrocyte
type: Class
subclass of: mesenchymal derived cell
has db xref: BTO:0000249
has db xref: LMMA:00141
id: LMHA:00141
definition: A type of connective tissue cell that secretes and maintains the structural components of cartilage, primarily collagen and proteoglycans.
display: true
has domain: cell

ciliated cell
type: Class
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: tracheal epithelial cell
subclass of: bronchiolar epithelial cell
subclass of: respiratory bronchiolar epithelial cell
subclass of: membranous bronchiolar epithelial cell
subclass of: submucosal gland duct epithelial cell
has db xref: CL:0000064
has db xref: LMMA:00142
id: LMHA:00142
definition: A columnar epithelial cell with microscopic hair-like processes, i.e., motile cilia, that extend from the apical cell surface. These cells are found in the epithelia of the conducting airways (trachea, bronchi, and bronchioles), where they sweep mucous, dirt, dust, bacteria and other pathogens up and out of the lung, bronchi, and trachea.
display: true
has domain: cell

club cell
type: Class
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: tracheal epithelial cell
subclass of: bronchiolar epithelial cell
subclass of: respiratory bronchiolar epithelial cell
subclass of: membranous bronchiolar epithelial cell
has db xref: CL:0000158
has db xref: LMMA:00143
id: LMHA:00143
definition: The club cell is a non-ciliated, dome-shaped, secretory cell with short microvilli and abundant secretory granules. Its secretory proteins function to protect the bronchiolar epithelium from environmental toxins/irritants. The club cell also has the capacity for self-renewal (maintenance of a progenitor cell pool) and regeneration of the bronchiolar epithelium after injury.
display: true
has domain: cell
synonym: Clara cell
synonym: bronchiolar exocrine cell
synonym: nonciliated secretory cell

collecting duct cell
type: Class
subclass of: submucosal gland duct epithelial cell
has db xref: LMMA:00146
id: LMHA:00146
definition: An epithelial cell located in the ducts (tube-like structures) that transport seromucous secretions from the submucosal glands to the lumen of the upper trachea in the mouse and to the lumen of the cartilaginous airways in the human.
has domain: cell

dendritic cell
type: Class
subclass of: immune cell
has db xref: CL:0000738
has db xref: LMMA:00150
id: LMHA:00150
has domain: cell

endothelial cell
type: Class
subclass of: cell types
id: LMHA:00161
HTC code: END
definition: A mesenchymal-derived, polygonal, rounded, flat, or squamous (scale-like) cell that lines the inner (luminal) surface of the blood vessels and lymphaic vessels. These cells contain vimentin filaments and are held together by junctional complexes to form a thin, continuous, endothelial cell layer or sheath (endothelium).
has abbreviation: END
has domain: cell

eosinophil
type: Class
subclass of: granulocyte
has db xref: CL:0000771
has db xref: LMMA:00163
id: LMHA:00163
has domain: cell

epithelial cell
type: Class
subclass of: cell types
id: LMHA:00164
HTC code: EPI
definition: Cells that line the inner and outer surfaces of the body by forming single or mutliple cell layers or sheets (epithelia). Epithelial cells lining the respiratory system are derived from endoderm. Epithelial cells can be classified by cell shape into squamous, cuboidal, columnar, and transitional epithelial cells. They have a cytoskeleton that allows for tight cell-to-cell contact and cell polarity.
has abbreviation: EPI
has domain: cell

fibroblast
type: Class
subclass of: mesenchymal derived cell
id: LMHA:00169
definition: A connective tissue cell that secretes an extracellular matrix rich in collagen and other macromolecules. Flattened and irregular in outline with Branching_parting processes; appear fusiform or spindle-shaped.
display: true
has domain: cell

granulocyte
type: Class
subclass of: myeloid leukocyte
subclass of: blood cell
has db xref: CL:0000094
has db xref: LMMA:00179
id: LMHA:00179
has domain: cell

macrophage
type: Class
subclass of: myeloid leukocyte
has db xref: CL:0000235
has db xref: LMMA:00182
id: LMHA:00182
HTC code: MCL
has domain: cell
synonym: histiocyte

immune cell
type: Class
subclass of: cell types
has db xref: CL:0000738
has db xref: LMMA:00185
id: LMHA:00185
HTC code: MIC
has abbreviation: MIC
has domain: cell
synonym: leukocyte
synonym: white blood cell

intermediate fibroblast 1
type: Class
subclass of: mesenchymal cell
id: LMHA:00188
has domain: cell

intermediate fibroblast 2
type: Class
subclass of: mesenchymal cell
id: LMHA:00189
has domain: cell

interstitial cell
type: Class
subclass of: cell types
id: LMHA:00192
definition: A mesenchymal-derived, connective tissue cell located in the interstitial space (i.e., interstitium or connective tissue compartments) of the lung.
has domain: cell
synonym: mesenchymal cell

lipofibroblast
type: Class
subclass of: alveolar interstitial cell
subclass of: fibroblast
has db xref: LMMA:00209
id: LMHA:00209
definition: Lipid-containing interstitial cell located in the alveolar septum (wall). The lipofibroblast transfers neutral lipid (tryglyceride) from the capillaries to the type II pneumocyte for the synthesis of surfactant phopholipids. It also synthesizes ECM proteins, such as collagen and elastin, and contains intermediate contractile filaments.
display: true
has domain: cell

interstitial macrophage
type: Class
subclass of: macrophage
id: LMHA:00213
has domain: cell
synonym: lung tissue macrophage
synonym: pulmonary interstitial macrophage

lymphatic endothelial cell
type: Class
subclass of: endothelial cell
has db xref: CL:0002138
has db xref: LMMA:00216
id: LMHA:00216
HTC code: END
HTC code: LYM
definition: A mesenchymal-derived, squamous (flat), endothelial cell that lines the inner (i.e., luminal) surface of lymphatic vessels, forming a continuous, thin, endothelial cell layer or sheath (endothelium).
display: true
has domain: cell

lymphocyte
type: Class
subclass of: lymphoid cell
has db xref: CL:0000542
has db xref: LMMA:00223
id: LMHA:00223
has domain: cell

alveolar macrophage
type: Class
subclass of: macrophage
has db xref: CL:0000583
has db xref: LMMA:00226
id: LMHA:00226
HTC code: MCL
display: true
has domain: cell
located in: alveolar duct lumen
synonym: tissue macrophage

mast cell
type: Class
subclass of: myeloid leukocyte
has db xref: CL:0000097
has db xref: LMMA:00227
id: LMHA:00227
has domain: cell

mesenchymal stromal cell
type: Class
subclass of: mesenchymal cell
id: LMHA:00230
HTC code: MSC
definition: An undifferentiated stromal cell with the ability to develop into the cells that form distinct mesenchymal tissues; such as bone, muscle, connective tissue, blood vessels, and lymphatic tissue.
has domain: cell

mesothelial cell
type: Class
subclass of: mesenchymal derived cell
has db xref: CL:0000077
has db xref: LMMA:00231
id: LMHA:00231
definition: A flat cell of mesenchymal origin that forms the superficial layer of the serosal membranes lining the body cavities of the abdomen and thorax.
display: true
has domain: cell

monocyte
type: Class
subclass of: myeloid leukocyte
subclass of: blood cell
has db xref: CL:0000576
has db xref: LMMA:00233
id: LMHA:00233
has domain: cell

mucus cell
type: Class
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: tracheal epithelial cell
subclass of: membranous bronchiolar epithelial cell
subclass of: submucosal gland epithelial cell
has db xref: LMMA:00238
has db xref: MESH:D009077
id: LMHA:00238
definition: An epithelial cell that produces and secretes mucin, a substance containing mucopolysaacharides and protein, whch protects the epithelial cell surface. Mucous cells are found predominantely in the submucosal glands of the trachea and more rarely in the epithelum of the cartilaginous airways.
display: true
has domain: cell
synonym: mucous cell

myeloid leukocyte
type: Class
subclass of: immune cell
has db xref: CL:0000766
has db xref: LMMA:00241
id: LMHA:00241
definition: A cell of the monocyte, granulocyte, or mast cell lineage.
has domain: cell

myoepithelial cell
type: Class
subclass of: submucosal gland epithelial cell
has db xref: BTO:0002309
has db xref: LMMA:00242
id: LMHA:00242
definition: A contractile cell found between secretory cells and basement membrane of the seromucus glands located in the submucosa of the upper trachea in the mouse and human. Each myoepithelial cell has long cytoplasmic processes that wrap around a secretory unit (acinus, or smalll cluster of cells with a central lumen). The contraction of the myoepithelial processes forces the secretory product from the secretory unit into its duct.
has domain: cell

myofibroblast
type: Class
subclass of: alveolar interstitial cell
subclass of: mesenchymal cell
subclass of: fibroblast
has db xref: BTO:0001946
has db xref: LMMA:00243
id: LMHA:00243
definition: A stromal cell combining the features of a fibroblast and a smooth muscle cell, such as alpha-smooth-muscle-actin positive, contractile myofilaments
display: true
has domain: cell

natural killer cell
type: Class
subclass of: innate lymphoid cell
has db xref: CL:0000623
has db xref: LMMA:00245
id: LMHA:00245
HTC code: NKC
has domain: cell
synonym: large granular lymphocyte
synonym: non-T, non-B lymphocyte

neuroendocrine cell
type: Class
subclass of: neuroepithelial body
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: tracheal epithelial cell
subclass of: bronchiolar epithelial cell
subclass of: respiratory bronchiolar epithelial cell
subclass of: membranous bronchiolar epithelial cell
has db xref: CL:0000165
has db xref: LMMA:00252
id: LMHA:00252
definition: An endocrine cell that produces and secretes neurotransmitters and neuropeptide hormones in response to neuronal signals. In the lung, these cells are found as single cells or in cell clusters (neuroepithelial bodies) and are located in the epithelium of the conducting airways, including trachea, bronchi, and bronchioles.
display: true
has domain: cell

neuroepithelial body
type: Class
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: bronchiolar epithelial cell
subclass of: respiratory bronchiolar epithelial cell
subclass of: membranous bronchiolar epithelial cell
has db xref: MESH:D046568
id: LMHA:00253
display: true
has domain: cell
comment: Innervated clusters of NEUROEPITHELIAL CELLS found in the LUNGS. They act as airway OXYGEN sensors, releasing regulatory PEPTIDES and SEROTONIN in response to HYPOXIA.

neutrophil
type: Class
subclass of: granulocyte
has db xref: CL:0000775
has db xref: LMMA:00256
id: LMHA:00256
has domain: cell

nonspecific endothelial cell
type: Class
subclass of: endothelial cell
id: LMHA:00260
HTC code: END
has domain: cell

pericyte
type: Class
subclass of: alveolar interstitial cell
subclass of: mesenchymal cell
subclass of: subendothelial connective tissue cell
has db xref: CL:0000669
id: LMHA:00273
adjacent to: alveolar capillary endothelium
adjacent to: alveolar interstitial cell
definition: Unique slender cells with multiple processes extending along the capillary vessel and encircling the vascular wall to form a net around the vessel. These cells are embedded in the basement membrane shared with the endothelial cells of the vessel. They are are important in maintaining vessel integrity, angiogenesis, and vascular remodeling.
display: true
has domain: cell

proliferative mesenchymal progenitor
type: Class
subclass of: mesenchymal cell
id: LMHA:00282
has domain: cell

glial cell
type: Class
subclass of: cell types
has db xref: CL:0000218
has db xref: LMMA:00338
id: LMHA:00338
definition: A supporting cell of the peripheral nervous system, derived from neural crest cells, which forms the insulating myelin sheaths of peripheral axons and is required for nerve maintenance and function.
has domain: cell
synonym: Schwann cell
synonym: neuroglial cell

serous cell
type: Class
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: tracheal epithelial cell
subclass of: membranous bronchiolar epithelial cell
subclass of: submucosal gland epithelial cell
has db xref: CL:0000313
has db xref: LMMA:00340
id: LMHA:00340
definition: An epithelial cell that produces and secretes water, electrolytes, antimicrobial, anti-inflammatory, and antioxidant molecules, which protects the epithelial surrface. Serous cells are found predominantely in the submucosal glands of the trachea and more rarely in the epithelum of the cartilaginous airways.
has domain: cell

smooth muscle cell
type: Class
subclass of: muscle cell
has db xref: CL:0000192
has db xref: LMMA:00343
id: LMHA:00343
definition: A non-striated, elongated, spindle-shaped, involuntary contractile cell found in internal organs and blood vessels. Smooth muscle cells are found in the walls of the conducting airways (trachea, bronchi, bronchioles) and of the pulmonary and bronchial blood vessels (vascular smooth muscle).
display: true
has domain: cell

T lymphocyte
type: Class
subclass of: lymphocyte
has db xref: CL:0000084
has db xref: LMMA:00354
id: LMHA:00354
has domain: cell
synonym: T cell

telocyte
type: Class
subclass of: alveolar interstitial cell
subclass of: connective tissue cell
subclass of: mesenchymal cell
subclass of: subendothelial connective tissue cell
has db xref: LMMA:00356
has db xref: MESH:D000067170
id: LMHA:00356
definition: The telocyte is a type of fibroblast (interstitial/connective tissue cell) that has a small oval-shaped cell body with multiple (1-5), thin, elongated telopods (cytoplasmic extensions) that can be up to 100-microns long. These cells are C-KIT positive and are associated with morphogenesis and local tissue homeostasis.
has domain: cell

subendothelial connective tissue cell
type: Class
subclass of: mesenchymal derived cell
has db xref: LMMA:00378
id: LMHA:00378
definition: A fibroblast found in the connective tissue layer located immediately under the vascular endothelium in the tunica intima of blood vessels.
has domain: cell

type I pneumocyte
type: Class
subclass of: alveolar epithelial cell
has db xref: CL:0002062
has db xref: LMMA:00379
id: LMHA:00379
HTC code: EP1
definition: A thin, flat or squamous ("scale-like") alveolar epithelial cell, covering ~95% of the surface area of each alveolus, that facilitates gas exchange across the alveolar wall (septum), i.e., between the alveolus (airspace) and the capillary network.
display: true
has domain: cell
synonym: AEC1
synonym: AT1 cell
synonym: ATI cell
synonym: alveolar type 1 cell
synonym: alveolar type I cell
synonym: alveolar type I epithelial cell
synonym: lung type 1 cell
synonym: pulmonary alveolar type I cell
synonym: squamous alveolar cell
synonym: squamous alveolar lining cell
synonym: type I alveolar cell
synonym: type I alveolar epithelial cell

type II pneumocyte
type: Class
subclass of: alveolar epithelial cell
has db xref: CL:0002063
has db xref: LMMA:00381
id: LMHA:00381
HTC code: EP2
definition: A cuboidal-like, alveolar epithelial cell that synthesizes, stores, secretes, and recycles pulmonary surfactant phospholipids and proteins, substances that reduce the surface tension in the alveolus. Pulmonary surfactant is stored in lipid-rich lamellar bodies, a distinctive feature of this cell type.. The type II pneumocyte is also capable of cell division and can repopulate the alveolar epitheium after injury, differentiating into type I pneumocytes. Although this cell type covers less than 5% of the alveolar surface, it represents 60% of all alveolar epithelial cells.
display: true
has domain: cell
synonym: AT2 cell
synonym: ATII cell
synonym: TII (type II)
synonym: alveolar epithelial type II cell
synonym: alveolar type II cell
synonym: cuboidal type II cell
synonym: granular pneumocyte
synonym: lung type 2 cell
synonym: type 2 alveolar epithelial cell
synonym: type 2 pneumocyte
synonym: type II alveolar cell
synonym: type II alveolar epithelial cell

unclassified epithelial cell
type: Class
subclass of: bronchial epithelial cell
subclass of: terminal bronchiolar epithelial cell
subclass of: tracheal epithelial cell
subclass of: bronchiolar epithelial cell
subclass of: alveolar epithelial cell
subclass of: respiratory bronchiolar epithelial cell
subclass of: membranous bronchiolar epithelial cell
has db xref: LMMA:00384
id: LMHA:00384
display: true
has domain: cell
synonym: general epithelial cell
synonym: nonspecific epithelial cell

unclassified mesenchymal cell
type: Class
subclass of: mesenchymal cell
id: LMHA:00387
HTC code: MES
HTC code: MFI
definition: This term is used to describe a mesenchymal cell that cannot be classified under an existing cell type.
display: true
has domain: cell
synonym: Mesenchymal cell, unclassified

vascular endothelial cell
type: Class
subclass of: endothelial cell
has db xref: CL:0002139
has db xref: LMMA:00392
id: LMHA:00392
HTC code: END
definition: An endothelial cell of the vascular tree, which includes blood vessels and lymphatic vessels.
display: true
has domain: cell

nuocyte
type: Class
subclass of: innate lymphoid cell
has db xref: CL:0002089
has db xref: LMMA:00437
id: LMHA:00437
has domain: cell

autonomic neuron
type: Class
subclass of: cell types
has db xref: CL:0000107
has db xref: LMMA:00521
id: LMHA:00521
definition: A neuron whose cell body is located within an autonomic ganglion, i.e., part of a cluster of nerve cell bodies in the peripheral nervous system. Each neuron consists of a body, an axon, and dendrites. Its purpose is to receive, conduct, and transmit impulses between the central nervous system and its target organs/tissues.
has domain: cell
synonym: autonomic ganglion cell
synonym: autonomic ganglion neuron
synonym: neuron
synonym: neuronal cell

intermediate airway progenitor cell
type: Class
subclass of: bronchial epithelial cell
subclass of: tracheal epithelial cell
id: LMHA:00524
has domain: cell

plasma cell
type: Class
subclass of: B lymphocyte
has db xref: BTO:0000392
has db xref: CL:0000786
has db xref: FMA:70574
has db xref: LMMA:00677
id: LMHA:00574
HTC code: BCL
definition: A terminally differentiated, post-mitotic, antibody secreting cell of the B cell lineage with the phenotype CD138-positive, surface immunonoglobulin-negative, and MHC Class II-negative. Plasma cells are oval or round with extensive rough endoplasmic reticulum, a well-developed Golgi apparatus, and a round nucleus having a characteristic cartwheel heterochromatin pattern and are devoted to producing large amounts of immunoglobulin. Plasma cells develop in the spleen and migrate to the bone marrow. Plasma cells are also reportedly CD5-negative, CD10-negative, CD19-positive, CD20-negative, CD21-negative, CD22-negative, CD23-negative, CD24-negative, CD25-negative, CD27-positive, CD34-negative, CD38-positive, CD40-positive, CD43-positive, CD45-positive, CD48-positive, CD53-low, CD80-negative, CD81-positive, CD86-positive, CD95-positive, CD196-negative, CD229-positive, CD270-positive, CD352-positive, CD361-positive, and IgD-negative. Transcription factors: BLIMP1-positive, IRF4-positive, PAX5-negative, SpiB-negative, Ets1-negative, and XBP1-positive.
definition: An epithelial cell that lines the peripheral gas exchange region (epithelial lining of the alveolar duct and alveoli) of the lungs. Includes both alveolar type I and type II pneumocytes.
has domain: cell
synonym: mature B lymphocyte

bronchial epithelial cell
type: Class
subclass of: epithelial cell
has db xref: CL:0002328
has db xref: LMMA:00591
id: LMHA:00577
has domain: cell

terminal bronchiolar epithelial cell
type: Class
subclass of: epithelial cell
id: LMHA:00582
definition: An epithelial cell that lines the intrapulmonary conducting airway, or bronchioles. The more proximal bronchioles are lined predominantly by ciliated cells with a greater proportion of club cells in the distal bronchioles.
has domain: cell

tracheal epithelial cell
type: Class
subclass of: epithelial cell
has db xref: CL:0000307
has db xref: LMMA:00590
id: LMHA:00583
has domain: cell

bronchiolar epithelial cell
type: Class
subclass of: epithelial cell
id: LMHA:00584
has domain: cell

alveolar epithelial cell
type: Class
subclass of: epithelial cell
has db xref: FMA:62499
has db xref: LMMA:00574
id: LMHA:00586
has domain: cell

proliferative interstitial cell
type: Class
subclass of: alveolar interstitial cell
id: LMHA:00598
display: true
has domain: cell

proliferative fibroblast
type: Class
subclass of: fibroblast
id: LMHA:00607
display: true
has domain: cell

lymphoid cell
type: Class
subclass of: immune cell
has db xref: BTO:0001096
has db xref: LMMA:00614
id: LMHA:00614
has domain: cell

erythrocyte
type: Class
subclass of: blood cell
has db xref: CL:0000232
has db xref: LMMA:00619
id: LMHA:00622
has domain: cell

innate lymphoid cell
type: Class
subclass of: lymphoid cell
has db xref: CL:0001065
has db xref: LMMA:00620
id: LMHA:00623
has domain: cell

respiratory bronchiolar epithelial cell
type: Class
subclass of: epithelial cell
id: LMHA:00629
has domain: cell

membranous bronchiolar epithelial cell
type: Class
subclass of: epithelial cell
id: LMHA:00630
has domain: cell

mucosa-associated lymphoid tissue macrophage
type: Class
subclass of: macrophage
has db xref: CL:0000868
has db xref: LMMA:00698
id: LMHA:00681
has domain: cell

reticular cell
type: Class
subclass of: connective tissue cell
id: LMHA:00685
has domain: cell

muscle cell
type: Class
subclass of: mesenchymal derived cell
id: LMHA:00691
has domain: cell

blood cell
type: Class
subclass of: cell types
has db xref: CL:0000081
has db xref: LMMA:00692
id: LMHA:00692
has domain: cell

submucosal gland duct epithelial cell
type: Class
subclass of: epithelial cell
id: LMHA:00693
has domain: cell

submucosal gland epithelial cell
type: Class
subclass of: epithelial cell
id: LMHA:00694
has domain: cell

mesenchymal derived cell
type: Class
subclass of: cell types
id: LMHA:00716
has domain: cell
synonym: mesenchymal cell
comment: CD140+ cells

arterial endothelial cell
type: Class
subclass of: endothelial cell
id: LMHA:00804
HTC code: END
definition: An endothelial cell of the atrerial blood vessels.
display: true
has domain: cell

venous endothelial cell
type: Class
subclass of: endothelial cell
id: LMHA:00805
HTC code: END
definition: An endothelial cell of the venous blood vessels.
display: true
has domain: cell

Cell Ontology for Human Lung Maturation
type: Class

part of
type: NamedIndividual