Name the functions of the following. (a) Corpus luteum (b) Endometrium (c) Acrosome (d) Sperm tail (e) Fimbriae
(a) Corpus luteum - Corpus luteum is shaped from the ruptured Grafiaan follicle. It secretes progesterone hormone at some point of the luteal section of the menstrual cycle. A excessive stage of progesterone inhibits the secretions of FSH and LH, thereby stopping ovulation. It additionally permits the endometrium of the uterus to proliferate and to put together itself for implantation. (b) Endometrium - It is the innermost lining of the uterus. It is wealthy in glands and undergoes cyclic modifications in the course of numerous stages of the menstrual cycle to put together itself for the implantation of the embryo. (c) Acrosome - It is a cap-like shape gift withinside the anterior a part of the pinnacle of the sperm. It consists of hyaluronidase enzyme, which hydrolyses the outer membrane of the egg, thereby supporting the sperm to penetrate the egg on the time of fertilization. (d) Sperm tail - It is the longest area of the sperm that allows the motion of the sperm withinside the female reproductive tract. (e) Fimbriae - They are finger-like projections on the ovarian give up of the fallopian tube. They assist withinside the series of the ovum (after ovulation), that's facilitated through the thrashing of the cilia.