mesotheliumn.

Brit.

/ˌmɛsə(ʊ)ˈθiːlɪəm/, U.S.

/ˌmɛzoʊˈθiliəm/; see also meso- comb. form.

Inflections: Plural mesothelia.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, epithelium n.

Etymology: < meso- comb. form + -thelium (in epithelium n.); see quot. 1886¹.

Anatomy and Embryology.

Originally: the layer of somatic mesoderm that lines the coelom of the vertebrate embryo. Later also: the epithelium (or epithelium-like layer) derived from this, which lines the pleural, peritoneal, and pericardial cavities.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > membrane and layers of cells

germinal layer1836

cell layer1843

mucous layer1846

germ layer1855

mesoblast1857

blastoderm1859

head fold1873

mesoderm1873

epiblast1875

hypoblast1875

splanchnopleure1875

mesenchyme1881

acroblast1884

mesothelium1886

epimere1890

mesectoderm1894

mesendoderm1894

cœloblast1895

placode1907

shield1913

mesentoderm1921

meristoderm1945

bilayer1962

1886 C. S. Minot in A. H. Buck Ref. Handbk. Med. Sci. III. 176/1 The whole of the mesoderm..does not go through this metamorphosis, but..a part remains closely compacted; but ultimately it is only the single layer of cells immediately bounding the cœlom, and the cells constituting the myotomes.., which remain thus close together. These cells, therefore, have all the characteristics of an epithelium, so that the cœlom is limited by an epithelium of cuboidal cells, for which I have proposed the name mesothelium.

1886 C. S. Minot in A. H. Buck Ref. Handbk. Med. Sci. III. 176/2 Derivatives of the mesothelium (epithelial mesoderm).

1945 W. J. Hamilton et al. Human Embryol. vi. 80 The mesoderm bounding the coelom will persist throughout life as an epithelium (so-called mesothelium) which forms the visceral and parietal linings of the peritoneal, pleural and pericardial cavities.

1950 A. W. Ham Histol. xi. 140/1 Endothelium and mesothelium, structurally, are both typically epithelial... Nevertheless, pathologists usually prefer to consider endothelium and mesothelium as apart from ordinary epithelium because endothelial and mesothelial cells behave differently from ordinary epithelial cells.

1993 Cancer Res. 53 3830 Cells from normal ovarian surface epithelium and the ovarian cancer cell lines CAOV-3 and SKOV-3 exhibited significant adhesion to mesothelium in vitro.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesothelium
释义	mesotheliumn. Brit. /ˌmɛsə(ʊ)ˈθiːlɪəm/, U.S. /ˌmɛzoʊˈθiliəm/; see also meso- comb. form. Inflections: Plural mesothelia. Origin: Formed within English, by compounding. Etymons: meso- comb. form, epithelium n. Etymology: < meso- comb. form + -thelium (in epithelium n.); see quot. 1886¹. Anatomy and Embryology. Originally: the layer of somatic mesoderm that lines the coelom of the vertebrate embryo. Later also: the epithelium (or epithelium-like layer) derived from this, which lines the pleural, peritoneal, and pericardial cavities. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [noun] > membrane and layers of cells germinal layer1836 cell layer1843 mucous layer1846 germ layer1855 mesoblast1857 blastoderm1859 head fold1873 mesoderm1873 epiblast1875 hypoblast1875 splanchnopleure1875 mesenchyme1881 acroblast1884 mesothelium1886 epimere1890 mesectoderm1894 mesendoderm1894 cœloblast1895 placode1907 shield1913 mesentoderm1921 meristoderm1945 bilayer1962 1886 C. S. Minot in A. H. Buck Ref. Handbk. Med. Sci. III. 176/1 The whole of the mesoderm..does not go through this metamorphosis, but..a part remains closely compacted; but ultimately it is only the single layer of cells immediately bounding the cœlom, and the cells constituting the myotomes.., which remain thus close together. These cells, therefore, have all the characteristics of an epithelium, so that the cœlom is limited by an epithelium of cuboidal cells, for which I have proposed the name mesothelium. 1886 C. S. Minot in A. H. Buck Ref. Handbk. Med. Sci. III. 176/2 Derivatives of the mesothelium (epithelial mesoderm). 1945 W. J. Hamilton et al. Human Embryol. vi. 80 The mesoderm bounding the coelom will persist throughout life as an epithelium (so-called mesothelium) which forms the visceral and parietal linings of the peritoneal, pleural and pericardial cavities. 1950 A. W. Ham Histol. xi. 140/1 Endothelium and mesothelium, structurally, are both typically epithelial... Nevertheless, pathologists usually prefer to consider endothelium and mesothelium as apart from ordinary epithelium because endothelial and mesothelial cells behave differently from ordinary epithelial cells. 1993 Cancer Res. 53 3830 Cells from normal ovarian surface epithelium and the ovarian cancer cell lines CAOV-3 and SKOV-3 exhibited significant adhesion to mesothelium in vitro. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1886
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