单词 | müllerian |
释义 | Müllerianadj.1 1. gen. Of or relating to Johannes Müller. rare. ΚΠ 1860 T. Gill in J. H. Simpson Rep. Explor. Great Basin Utah (U.S. Army Corps Topogr. Engineers) (1876) 385 It differs from the Müllerian classification in the very different acceptation and restriction of the orders and suborders. 1861 T. Gill Catal. Fishes Eastern Coast N. Amer. 3 The Müllerian classification would refer them to different orders. 2. a. Anatomy and Zoology. Müllerian duct n. (in a vertebrate embryo) either of a pair of ducts lying parallel to the mesonephric ducts and uniting at their distal ends to empty into the cloaca, which form the oviducts and other reproductive structures (ovisac, uterus, etc.) in females but atrophy almost completely in most males; also called paramesonephric duct. Cf. Müller n.5 ΘΚΠ the world > animals > birds > parts of or bird defined by > [noun] > oviduct oviductus1668 oviduct1703 germiduct1855 Müllerian duct1870 1858 A. Farre in Todd's Cycl. Anat. & Physiol. V. 613/1 This is called after its first observer, the duct of Müller.] 1870 H. Gray Anat. (new ed.) 109 Below this portion of the duct of Muller, that body on either side, and the ducts of the Wolffian body, are united together in a structure called ‘the genital cord’, in which the two Müllerian ducts approach each other,..finally coalescing. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xii. 265 In the male the Müllerian ducts are abortive and functionless. 1960 D. C. Braungart & R. Buddeke Introd. Animal Biol. (ed. 5) xviii. 286 In the male of the leopard frog..a pair of ducts similar to the oviducts of the female, called the Müllerian ducts, persist but they are not functional. 1984 J. R. Tighe & D. R. Davies Pathol. (ed. 4) xx. 197 Parovarian cysts are derived from embryonic Mullerian and Wolffian duct remnants. 1994 D. Tulchinsky & A. B. Little Maternal–Fetal Endocrinol. (ed. 2) xv. 298/1 The regression of the paramesonephric (müllerian) ducts in the male. b. Anatomy and Medicine. Of, relating to, or derived from the Müllerian duct. ΘΚΠ the world > animals > birds > parts of or bird defined by > [adjective] > relating to oviduct oviductal1859 Müllerian1924 1924 Science 30 May 487/2 Such tissue until recently had been dismissed as derived either from congenital Müllerian rests or from the germinal epithelium through a process of metaplasia. 1935 Surg., Gynecol. & Obstetr. 61 46/2 The approximated terminations of both cause a slight projection in the posterior wall of the sinus, called the muellerian tubercle. 1953 Jrnl. Pathol. & Bacteriol. 66 417 The commonly seen Müllerian and Wolffian vestiges attached to the testis or epididymis are the appendix testis, the appendix epididymis, the paradidymis and the superior and inferior aberrant ducts. 1954 Cancer 7 723/1 A study of twenty-one cases of malignant mixed müllerian tumor (mixed mesodermal tumor of the uterus) indicates that the neoplasm is derived from the müllerian apparatus. 1993 Sci. News 25 Sept. 207/1 Compared with the 56 women who did not take tamoxifen, the 15 who did were..almost twice as likely to develop mixed mullerian tumors. c. Designating or relating to inhibition of development of the Müllerian duct by a substance secreted by the testes of the developing fetus. ΚΠ 1969 J. L. Hamerton et al. in J. S. Perry Intersexuality (Proc. 3rd Symp. Soc. Stud. Fertility) 46 We have always found a close correlation between the degree of Wolffian stimulation and Müllerian inhibition. 1971 Birth Defects Orig. Article Ser. 7 108 Normal differentiation of the bipotential external genitalia, reproductive ducts, and gonads are dependent upon the presence or absence of androgens from any source,..of mullerian inhibiting factor from the fetal testes, and the number and type of sex chromosomes present respectively. 1988 Endocrinology 123 2161 Exposure of pituitary cells for 3 days to the inhibin-related peptides transforming growth factor-beta (up to 400 pM) and Mullerian inhibitory substance (up to 100 nM) did not decrease binding of Buserelin. 1996 Jrnl. Clin. Endocrinol. & Metabolism 81 3877 Growth and differentiation factors such as inhibin, activin, and Mullerian inhibitory factor that regulate ovarian function. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online June 2022). Müllerianadj.2 Histology. Designating the retinal neuroglial cells of Müller (cf. Müller n.3 1). ΘΚΠ the world > life > the body > sense organ > sight organ > parts of sight organ > [adjective] > retina > other parts of retina Müllerian1860 cilio-retinal1877 myoid1907 macular1909 lentoid1940 1860 G. Buchanan Kölliker's Man. Human Microsc. Anat. 561 There exists in the retina another remarkable system of fibres, the Müllerian or radiating fibre system. 1872 G. R. Cutter tr. H. Frey Microscope & Microsc. Technol. 599 A system of radial or Müllerian supporting fibres (e) forms, with its innumerable fine processes, a delicate network. 1985 Jrnl. Compar. Neurol. 240 128 Müllerian glia were..were found in all part of the rabbit retina. 1997 Cell & Tissue Res. 287 275 The Mullerian cells of the retina. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). Müllerianadj.3 Zoology. Designating, relating to, or characterized by a form of mimicry in which noxious or unpalatable animals (esp. insects) of different species develop similar coloration or markings as a shared protective device against predators. ΘΚΠ the world > animals > by habits or actions > [adjective] > mimetic mimetic1851 mimicked1866 mimicking1872 Müllerian1899 1899 D. Sharp in Cambr. Nat. Hist. VI. vi. 339 The comparatively simple, hypothetical explanation, originally promulgated by Bates, is sometimes called Batesian mimicry; while the ‘inedible association’ hypothesis is termed Müllerian mimicry. 1907 Amer. Naturalist 41 782 Hence the formation of large ‘inedible associations’ or Müllerian groups. 1951 New Biol. 10 73 ‘Müllerian’ resemblance is when two or more distasteful organisms resemble one another, thereby deriving collective advantage in that a predator has only to ‘learn’ one pattern which will suffice to protect all the species which have it. 1975 Trans. Royal Entomol. Soc. 126 632 Heliconius species are frequently highly distasteful, and act as models in many Müllerian systems. 1996 Zool. Jrnl. Linn. Soc. 118 1 A rare phenotype, longitudinal wing stripes, appears in two widely divergent clades, suggesting the evolution of Müllerian mimicry within the [moth tribe] Josiini. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < adj.11860adj.21860adj.31899 |
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