| slovo | definícia |
epithelia
(encz) | epithelia, |
Epithelia
(gcide) | Epithelium \Ep`i*the"li*um\, n.; pl. E. Epitheliums, L.
Epithelia. [NL., fr. Gr. 'epi` upon + ? nipple.] (Anat.)
The superficial layer of cells lining the alimentary canal
and all its appendages, all glands and their ducts, blood
vessels and lymphatics, serous cavities, etc. It often
includes the epidermis (i. e., keratin-producing epithelial
cells), and it is sometimes restricted to the alimentary
canal, the glands and their appendages, -- the term
endothelium being applied to the lining membrane of the blood
vessels, lymphatics, and serous cavities.
[1913 Webster] |
| | podobné slovo | definícia |
columnar epithelial cell
(encz) | columnar epithelial cell, n: |
cuboidal epithelial cell
(encz) | cuboidal epithelial cell, n: |
epithelial
(encz) | epithelial,epiteliální adj: Zdeněk Brožepithelial,epitelový adj: Zdeněk Brožepithelial,výstelkový adj: Zdeněk Brož |
epithelial cell
(encz) | epithelial cell, n: |
epithelial duct
(encz) | epithelial duct, n: |
epithelial tissue
(encz) | epithelial tissue, n: |
Epithelia
(gcide) | Epithelium \Ep`i*the"li*um\, n.; pl. E. Epitheliums, L.
Epithelia. [NL., fr. Gr. 'epi` upon + ? nipple.] (Anat.)
The superficial layer of cells lining the alimentary canal
and all its appendages, all glands and their ducts, blood
vessels and lymphatics, serous cavities, etc. It often
includes the epidermis (i. e., keratin-producing epithelial
cells), and it is sometimes restricted to the alimentary
canal, the glands and their appendages, -- the term
endothelium being applied to the lining membrane of the blood
vessels, lymphatics, and serous cavities.
[1913 Webster] |
Epithelial
(gcide) | Epithelial \Ep`i*the"li*al\, a.
Of or pertaining to epithelium; as, epithelial cells;
epithelial cancer.
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epithelial cancer
(gcide) | Epithelioma \Ep`i*the`li*o"ma\, n. [NL. See Epithelium, and
-oma.] (Med.)
A malignant growth containing epithelial cells; -- called
also epithelial cancer.
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Epithelial cancer or Epithelioma
(gcide) | Cancer \Can"cer\, n. [L. cancer, cancri, crab, ulcer, a sign of
the zodiac; akin to Gr. karki`nos, Skr. karka[.t]a crab, and
prob. Skr. karkara hard, the crab being named from its hard
shell. Cf. Canner, Chancre.]
1. (Zool.) A genus of decapod Crustacea, including some of
the most common shore crabs of Europe and North America,
as the rock crab, Jonah crab, etc. See Crab.
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2. (Astron.)
(a) The fourth of the twelve signs of the zodiac. The
first point is the northern limit of the sun's course
in summer; hence, the sign of the summer solstice. See
Tropic.
(b) A northern constellation between Gemini and Leo.
[1913 Webster]
3. (Med.) Formerly, any malignant growth, esp. one attended
with great pain and ulceration, with cachexia and
progressive emaciation. It was so called, perhaps, from
the great veins which surround it, compared by the
ancients to the claws of a crab. The term is now
restricted to such a growth made up of aggregations of
epithelial cells, either without support or embedded in
the meshes of a trabecular framework.
[1913 Webster]
Note: Four kinds of cancers are recognized: (1) {Epithelial
cancer, or Epithelioma}, in which there is no
trabecular framework. See Epithelioma. (2) {Scirrhous
cancer, or Hard cancer}, in which the framework
predominates, and the tumor is of hard consistence and
slow growth. (3) Encephaloid cancer, {Medullary
cancer}, or Soft cancer, in which the cellular
element predominates, and the tumor is soft, grows
rapidy, and often ulcerates. (4) Colloid cancer, in
which the cancerous structure becomes gelatinous. The
last three varieties are also called carcinoma.
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Cancer cells, cells once believed to be peculiar to
cancers, but now know to be epithelial cells differing in
no respect from those found elsewhere in the body, and
distinguished only by peculiarity of location and
grouping.
Cancer root (Bot.), the name of several low plants, mostly
parasitic on roots, as the beech drops, the squawroot,
etc.
Tropic of Cancer. See Tropic.
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Myoepithelial
(gcide) | Myoepithelial \My`o*ep`i*the"li*al\, a. [Myo- + epithelial.]
1. (Biol.) Derived from epithelial cells and destined to
become a part of the muscular system; -- applied to
structural elements in certain embryonic forms.
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2. (Zool.) Having the characteristics of both muscle and
epithelium; as, the myoepithelial cells of the hydra.
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Subepithelial
(gcide) | Subepithelial \Sub*ep`i*the"li*al\, a. (Anat.)
Situated under the epithelium.
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columnar epithelial cell
(wn) | columnar epithelial cell
n 1: an epithelial cell that is shaped like a column; some have
cilia [syn: columnar cell, columnar epithelial cell] |
cuboidal epithelial cell
(wn) | cuboidal epithelial cell
n 1: an epithelial cell that shaped like a cube [syn: {cuboidal
cell}, cuboidal epithelial cell] |
epithelial
(wn) | epithelial
adj 1: of or belonging to the epithelium; "epithelial layer" |
epithelial cell
(wn) | epithelial cell
n 1: one of the closely packed cells forming the epithelium |
epithelial duct
(wn) | epithelial duct
n 1: a bodily passage or tube lined with epithelial cells and
conveying a secretion or other substance; "the tear duct
was obstructed"; "the alimentary canal"; "poison is
released through a channel in the snake's fangs" [syn:
duct, epithelial duct, canal, channel] |
epithelial tissue
(wn) | epithelial tissue
n 1: membranous tissue covering internal organs and other
internal surfaces of the body [syn: epithelium,
epithelial tissue] |
laser-assisted subepithelial keratomileusis
(wn) | laser-assisted subepithelial keratomileusis
n 1: a refractive surgery procedure that reshapes the cornea
[syn: laser-assisted subepithelial keratomileusis,
LASEK] |
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