单词 | rathke's pouch |
释义 | > as lemmasRathke's pouch 1. Embryology. In the genitive, and with of, esp. in Rathke's pouch. Designating a hollow sac of ectoderm that extends from the roof of the oral cavity towards the floor of the forebrain in the vertebrate embryo, and from which the anterior lobe and pars intermedia of the pituitary gland develop. ΘΚΠ the world > life > the body > secretory organs > gland > specific glands > [noun] > pituitary gland > that which forms anterior lobe of Rathke's pouch1885 1885 Amer. Naturalist 19 1008 He [sc. Albrecht] endeavors to prove..the correctness of his belief in the non-existence of Rathke's pouch. 1889 A. Macalister Text-bk. Human Anat. 620 The stomodæum joined the oral end of the mesenteron at about the fourteenth day and from its upper part is projected the hypophysial pouch of Rathke. 1892 E. L. Mark tr. O. Hertwig Text-bk. Embryol. xiv. 285 Even after the rupture of the pharyngeal membrane there is retained, in front of its attachment, a small pit, which constitutes Rathke's pocket. 1906 J. P. McMurrich Devel. Human Body (ed. 2) xiv. 428 At its extremity the hypophysis comes in contact during the fifth week with the enlarged extremity of Rathke's pouch..and applies itself closely to the posterior surface of this..to form with it the pituitary body. 1912 H. Cushing Pituitary Body & its Disorders 2 By the subsequent formation of the sphenoidal bone the lumen of practically all of Rathke's diverticulum except its tip becomes obliterated. 1945 W. J. Hamilton et al. Human Embryol. x. 153 An ectodermal diverticulum, Rathke's pouch, arises from the stomatodaeal roof. 1973 F. Beck et al. Human Embryol. & Genetics xvii. 188 The thickening in the anterior wall of Rathke's pouch becomes the pars anterior of the adult pituitary gland. 1994 D. Tulchinsky & A. B. Little Maternal–Fetal Endocrinol. (ed. 2) xii. 203/2 Vascularization of Rathke's pouch is evident by 8 weeks. < as lemmas |
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