| / English Dictionary |
EPITHELIUM
| Pronunciation (US): |  | (GB): | |
Irregular inflected form: epithelia
I. (noun)
Sense 1
Meaning:
Membranous tissue covering internal organs and other internal surfaces of the body
Synonyms:
Classified under:
Hypernyms ("epithelium" is a kind of...):
animal tissue (the tissue in the bodies of animals)
Meronyms (parts of "epithelium"):
epithelial cell (one of the closely packed cells forming the epithelium)
Hyponyms (each of the following is a kind of "epithelium"):
endothelium (an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities)
mesothelium (epithelium originating in the embryonic mesoderm; lines the primordial body cavity)
neuroepithelium (epithelium associated with special sense organs and containing sensory nerve endings)
decidua (the epithelial tissue of the endometrium)
Derivation:
epithelial (of or belonging to the epithelium)
Context examples:
As such, estrogen receptor is a key regulator of proliferation and differentiation in mammary epithelia and represents a crucial prognostic indicator and therapeutic target in breast cancer.
(MTA3 Pathway, NCI Thesaurus/BIOCARTA)
Mucin is expressed by most glandular epithelia.
(Mucin Peptide MUC-1, NCI Thesaurus)
This allele, which encodes microphthalmia-associated transcription factor protein, plays a role in both the differentiation of various cell types and the development of melanocytes in the retinal pigment epithelium.
(MITF wt Allele, NCI Thesaurus)
The mucin is expressed normally by most glandular epithelia but shows particularly increased expression in the breast at lactation and in malignancy.
(Mucin Peptide MUC-1, NLM, Medical Subject Headings)
A pleomorphic cell of the pulmonary alveolar epithelium that secretes surfactant and is distinguished by abundant cytoplasm containing numerous lipid-rich multilamellar bodies.
(Alveolar Cell Type II, NCI Thesaurus)
Mucosal epithelia in the gastrointestinal, respiratory, and reproductive tracts produce a form of IgA (IGA, SECRETORY) that serves to protect these ports of entry into the body.
(Mucosal Immunity, NLM, Medical Subject Headings)
A neoplasm arising from the epithelium.
(Adenoma, NCI Thesaurus)
A benign neoplasm arising from epithelium.
(Adenoma, NCI Thesaurus/CDISC)
An adenocarcinoma characterized by the presence of malignant glandular epithelium resembling the endocervical epithelium.
(Adenocarcinoma, Endocervical Type, NCI Thesaurus)
Malignant neoplasia of glandular epithelium composed of tubular and or villous structures penetrating beyond the muscularis mucosa.
(Adenocarcinoma of the Mouse Intestinal Tract, NCI Thesaurus/MMHCC)
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