| 单词 | corpus luteum |
| 释义 | > as lemmascorpus luteum 2. Physiology. A structure of a special character or function in the animal body, as corpus callosum, the transverse commissure connecting the cerebral hemispheres; so also corpora quadrigemina, corpora striata, etc. of the brain, corpus spongiosum and corpora cavernosa of the penis, etc.; corpus luteum [ < Latin luteus, luteum yellow] (plural corpora lutea), a yellowish body developed in the ovary from the ruptured Graafian follicle after discharge of the ovum; it secretes progesterone and other hormones and after a few days degenerates unless fertilization has occurred, when it remains throughout pregnancy. ΘΚΠ the world > life > the body > system > [noun] > organ instrumenta1398 organ?a1425 instrumental?1541 organon1583 organum1614 corpus1706 apparatus1718 the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [noun] > commissure commissure1695 corpus callosum1706 optic commissure1848 optic chiasma1856 supracommissure1886 the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > Graafian follicle, etc. corpus luteum1788 ovarian follicle1834 Graafian follicle1841 theca folliculi1857 corona radiata1869 stigma1890 1706 Phillips's New World of Words (new ed.) Corpus Callosum (in Anat.) is the upper Part, or Covering of a Space made by the joyning together of the right and left Side of the inward Substance of the Brain. 1788 Encycl. Brit. I. 740/2 In conception, one of these mature ova is supposed..to be squeezed out of its nidus into the Fallopian tube; after which the ruptured part forms a substance which in some animals is of a yellow colour, and is therefore called corpus luteum. 1851 W. B. Carpenter Man. Physiol. (1865) 581 The ganglionic matter of the Corpora Striata. 1869 T. H. Huxley Lessons Elem. Physiol. (ed. 3) xi. 298 The floor of the lateral ventricle is formed by a mass of nervous matter, called the corpus striatum. 1874 W. B. Carpenter Princ. Mental Physiol. (1879) App. 715 Experiments on the Corpora Quadrigemina (or Optic Ganglia). 1910 Surg., Gynecol. & Obstetr. 10 221/2 (heading) Extract of corpus luteum in disturbances of artificial and physiologic menopause. 1910 Surg., Gynecol. & Obstetr. 10 221/2 An extract made from the corpora lutea of beef ovaries [was used] rather than an extract of the entire ovary. 1926 J. S. Huxley Ess. Pop. Sci. v. 60 The number of corpora lutea, or traces of discharged ova in the ovaries. 1939 Ann. Reg. 1938 372 Corpus luteum hormone and its derivatives. 1959 New Biol. 30 79 As in mammals, glandular bodies known as corpora lutea are produced in the ovaries of viviparous (and also of some oviparous) reptiles, in places from which the eggs have been shed at ovulation. < as lemmas |
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