mucous layern.

Brit.

/ˌmjuːkəs ˈleɪə/, U.S.

/ˈmjukəs ˌleɪər/,

/ˈmjukəs ˌlɛ(ə)r/

Origin: Formed within English, by compounding. Etymons: mucous adj., layer n.

Etymology: < mucous adj. + layer n. In sense 1 after German Schleimschicht (C. H. Pander Beiträge zur Entwickelungsgeschichte des Hähnchens im Eye (1817) 11). With sense 3 compare rete mucosum n. and German Schleimnetz (1863 or earlier).

1. Embryology. The inner layer of a blastocyst, the endoderm. Now historical.

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

1843 Brit. & Foreign Med. Rev. 16 547 In the rabbit's ovum..two layers of the blastodermic vesicle can be demonstrated; which Bischoff therefore from this time calls serous or animal and mucous or vegetative.]

1846 W. B. Carpenter Princ. Human Physiol. (ed. 3) Index Mucous layer of germinal membrane.

1863 Philos. Trans. 1862 (Royal Soc.) 152 931 The former does not undergo the histological and morphological changes which subsequently take place in the mucous layer of the germinal membrane.

1887 Amer. Naturalist 21 335 The inner, lying in contact with the included yelk, being called the mucous layer.

1940 Q. Rev. Biol. 15 4/1 Martin Heinrich Rathke..applied this author's observations on the germ-layers to the development of an invertebrate, Astacus, describing the splitting of the blastoderm into a serous and mucous layer.

2. Anatomy. A mucosal layer, a mucous membrane. Now rare.

ΘΚΠ

the world > life > the body > bodily substance > membrane > [noun] > mucous

internal membrane1638

mucous membrane1801

mucous tissue1833

mucous layer1861

1861 F. J. Bumstead Pathol. & Treatm. Venereal Dis. 107 A section of the prepuce in front of the glans can only include the integumental together with an insignificant portion of the mucous layer.

1887 H. E. F. Garnsey & I. B. Balfour tr. H. A. de Bary Compar. Morphol. & Biol. Fungi 481 The Bacillus of anthrax for instance penetrates into the mucous layer of the intestinal canal.

1894 Philos. Trans. (Royal Soc.) B. 185 448 He disagrees with Williams in stating that all the mucous layer is shed.

1901 W. H. Jordan Feeding of Animals viii. 110 The inner or mucous layer is covered with numerous leaflike projections.

1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) x. 136 The wall of the intestine is made up of three distinct layers: the first, the inner or mucous layer.

1990 Histol. & Histopathol. 5 281 Thin axon bundles spread near the glandular cells of the mucous layer.

3. Histology. The deep layer of a stratified squamous epithelium, composed of living cells. Cf. Malpighian layer n. at Malpighian adj. 1f, rete mucosum n.. Now historical.

ΚΠ

1878 Medico-chirurg. Trans. 61 53 The epidermis consisted of two layers, a horny layer and a mucous layer.

1924 R. H. Bogue Theory & Applic. Colloidal Behavior II. 704 The inner part of the epidermis, the so-called mucous layer, consists of growing nucleated cells which multiply by division.

1932 A. L. Winton & K. B. Winton Struct. & Composition Foods III. 300 Mucous layer (stratum Malpighii),..consisting of small cells with prickly surfaces and distinct nucleii [sic].

1997 R. Porter Greatest Benefit to Mankind ix. 224 Malpighi distinguished the horny outer layer of the tongue from the reticular mucous layer (now known as the Malpighian layer).

4. Biology. A layer of mucus, esp. that overlying a mucous membrane.

ΚΠ

1902 Amer. Naturalist 36 57 In using strong alcohol the mucous layer on the fish becomes too much hardened and cannot be removed.

1947 V. G. Dethier Chem. Insect Attractants & Repellants 246 Odors must be able to penetrate the mucous layer at the olfactory epithelium.

1982 Jrnl. Cell Biol. 95 57 Metachronous beating of cilia of epithelial surfaces of most respiratory airways moves the overlying mucous layer in a caudal direction.

2001 Infection & Immunity 69 7402 The first barrier that the streptococci encounter is the mucous layer of the respiratory tract.

This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).

单词	mucous layer
释义	mucous layern. Brit. /ˌmjuːkəs ˈleɪə/, U.S. /ˈmjukəs ˌleɪər/, /ˈmjukəs ˌlɛ(ə)r/ Origin: Formed within English, by compounding. Etymons: mucous adj., layer n. Etymology: < mucous adj. + layer n. In sense 1 after German Schleimschicht (C. H. Pander Beiträge zur Entwickelungsgeschichte des Hähnchens im Eye (1817) 11). With sense 3 compare rete mucosum n. and German Schleimnetz (1863 or earlier). 1. Embryology. The inner layer of a blastocyst, the endoderm. Now historical. 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 1843 Brit. & Foreign Med. Rev. 16 547 In the rabbit's ovum..two layers of the blastodermic vesicle can be demonstrated; which Bischoff therefore from this time calls serous or animal and mucous or vegetative.] 1846 W. B. Carpenter Princ. Human Physiol. (ed. 3) Index Mucous layer of germinal membrane. 1863 Philos. Trans. 1862 (Royal Soc.) 152 931 The former does not undergo the histological and morphological changes which subsequently take place in the mucous layer of the germinal membrane. 1887 Amer. Naturalist 21 335 The inner, lying in contact with the included yelk, being called the mucous layer. 1940 Q. Rev. Biol. 15 4/1 Martin Heinrich Rathke..applied this author's observations on the germ-layers to the development of an invertebrate, Astacus, describing the splitting of the blastoderm into a serous and mucous layer. 2. Anatomy. A mucosal layer, a mucous membrane. Now rare. ΘΚΠ the world > life > the body > bodily substance > membrane > [noun] > mucous internal membrane1638 mucous membrane1801 mucous tissue1833 mucous layer1861 1861 F. J. Bumstead Pathol. & Treatm. Venereal Dis. 107 A section of the prepuce in front of the glans can only include the integumental together with an insignificant portion of the mucous layer. 1887 H. E. F. Garnsey & I. B. Balfour tr. H. A. de Bary Compar. Morphol. & Biol. Fungi 481 The Bacillus of anthrax for instance penetrates into the mucous layer of the intestinal canal. 1894 Philos. Trans. (Royal Soc.) B. 185 448 He disagrees with Williams in stating that all the mucous layer is shed. 1901 W. H. Jordan Feeding of Animals viii. 110 The inner or mucous layer is covered with numerous leaflike projections. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) x. 136 The wall of the intestine is made up of three distinct layers: the first, the inner or mucous layer. 1990 Histol. & Histopathol. 5 281 Thin axon bundles spread near the glandular cells of the mucous layer. 3. Histology. The deep layer of a stratified squamous epithelium, composed of living cells. Cf. Malpighian layer n. at Malpighian adj. 1f, rete mucosum n.. Now historical. ΚΠ 1878 Medico-chirurg. Trans. 61 53 The epidermis consisted of two layers, a horny layer and a mucous layer. 1924 R. H. Bogue Theory & Applic. Colloidal Behavior II. 704 The inner part of the epidermis, the so-called mucous layer, consists of growing nucleated cells which multiply by division. 1932 A. L. Winton & K. B. Winton Struct. & Composition Foods III. 300 Mucous layer (stratum Malpighii),..consisting of small cells with prickly surfaces and distinct nucleii [sic]. 1997 R. Porter Greatest Benefit to Mankind ix. 224 Malpighi distinguished the horny outer layer of the tongue from the reticular mucous layer (now known as the Malpighian layer). 4. Biology. A layer of mucus, esp. that overlying a mucous membrane. ΚΠ 1902 Amer. Naturalist 36 57 In using strong alcohol the mucous layer on the fish becomes too much hardened and cannot be removed. 1947 V. G. Dethier Chem. Insect Attractants & Repellants 246 Odors must be able to penetrate the mucous layer at the olfactory epithelium. 1982 Jrnl. Cell Biol. 95 57 Metachronous beating of cilia of epithelial surfaces of most respiratory airways moves the overlying mucous layer in a caudal direction. 2001 Infection & Immunity 69 7402 The first barrier that the streptococci encounter is the mucous layer of the respiratory tract. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1846
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