单词 | mesentery |
释义 | mesenteryn. 1. Anatomy and Zoology. Originally: the folded sheet of peritoneum in which the jejunum and ileum are suspended from the dorsal abdominal wall. Later also: any of several other folds of peritoneum serving a similar function for other organs; the embryonic precursor of these structures, a double layer of splanchnic mesoderm attached to both the dorsal and ventral walls of the body, which also temporarily supports the organs of the chest. ΘΚΠ the world > life > the body > internal organs > cavities occupied by internal organs > [noun] > abdomen > membranes of neteOE caul1382 siphac1398 zirbusa1400 womb cloutc1400 mesentery?a1425 omentum?a1425 peritoneum?a1425 paunch clout1440 epiploön?1541 mesenterium?1541 mesaraeum1543 rim1565 kell1578 rind1585 belly-piece1591 coif1597 cell1607 reticulum1615 mesocolon1684 mesogaster1807 mesocaecum1835 ruffle1846 mesogastrium1848 mid-gut1875 mesovarium1882 mesocyst1890 ?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 15v Partiez [of the belly] contened bene..þe mesentarie, & þe reynez. 1547 A. Borde Breuiary of Helthe ii. f. xvv The misentery which is a pellicle or a skyn the which doth tye the guttes togyther. 1626 F. Bacon Sylua Syluarum §44 The Mesentery Veines. 1663 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. ii. i. 10 The discoveries of the milky Vessels in the Mesentery by Asellius. 1718 J. Chamberlayne tr. B. Nieuwentyt Relig. Philosopher I. iv. 46 Notwithstanding all its Turnings, it [sc. the Bowel] is fasten'd in such a manner to the Mesentery, that it is not possible for the Food..to mistake its way. 1846 J. D. Dana U.S. Exploring Exped.: Zoophytes iv. 35 A thin and extensile membrane, which has a mesentery-like appearance. 1873 St. G. Mivart Lessons Elem. Anat. ix. 403 Those folds of membrane, (the mesenteries) which..suspend the viscera from the backbone. 1898 B. P. Colton Physiol. vii. 223 The white lacteals, filled with chyle, will be seen radiating through the mesentery. 1939 T. L. Green Pract. Animal Biol. i. 142 Paired ovaries lie suspended by mesenteries in the body cavity. 1965 L. B. Arey Developmental Anat. (ed. 7) xvi. 272 In addition to the mesenteries of the digestive tube and its associated organs, there is a temporary mesentery of the heart. 1988 New Scientist 22 Oct. 39/1 In embryos aged about 19 days, some of these primordial germ cells detach themselves from the epiblast and begin their migration via the mesentery of the gut until they reach the region of the mesonephros. 2000 Abdominal Imaging 25 551 This type of Castleman's disease predominates in the thorax and is very rare in the mesentery. 2. Zoology. In invertebrate animals: any of various tissues which separate the body cavity or coelom into sections; esp. (a) each of the radial septa dividing the body cavity in many coelenterates; (b) each of the vertical (midsagittal) partitions which divide the coelom longitudinally into compartments in some bilaterally symmetrical invertebrates (e.g. annelids, hemichordates). ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > member of > mesenteries mesentery1856 1856 T. H. Huxley in Proc. Royal Soc. 1854–5 7 109 The intestinal canal [in a brachiopod] has an inner, epithelial, and an outer fibrous coat; the latter expands in the middle line into a sort of mesentery, which extends..to the anterior wall of the visceral chamber... I will call this the mesentery. 1861 J. R. Greene Man. Animal Kingdom II. 172 In Cerianthus two of the mesenteries descend..almost to the orifice at the base of the general cavity. 1875 T. H. Huxley in Encycl. Brit. I. 129/2 Thin membranous lamellæ, the so-called mesenteries, which radiate from the oral disk and the lateral walls of the body to the parietes of the visceral tube. 1903 Ann. & Mag. Nat. Hist. Feb. 147 The union of the entoseptum within each pair of the second cycle mesenteries with the adjoining exosepta. 1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) v. 182 In the typical sea-anemone..and in coral polyps..the secondary mesenteries..are situated in the spaces between two adjacent pairs (exocoeles), never between two members of a pair (entocoeles). 1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) v. 184 Septa and mesenteries divide the coelom into separate fluid-filled compartments, each of which may be regulated..for a particular function. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.?a1425 |
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