Name the functions of the following.
(a) Corpus luteum
(b) Endometrium (c) Acrosome
(d) Sperm tail
(e) Fimbriae

Explanation

(A) corpus luteum Its major funcation is the secretion of progesterone hormone . If fertilization occurs the progesterone secretion through feed back control inhibits the secrection of FSH -RH from hydropothalamus
This prevents the onset of next menstrual cycle .
(b) Endometrium .It is the layer of uterus .It undergoes cyclic changes during different phases of menstrual cycle in anticipation for the implantation of blastocyst .
(c ) Acrosome .It is the anterior part of hend of sperm .It contans hydrolytic enzymes and is used to contact and penetrate the egg in fertilization
(d) sperm tail . it help in the movement of spermatozoon in a fuild medium .
(e ) FIlbriae . the motile finger -like processes prresent on the margins of infundidbulm ( broad funnel- shape ) proximal part of fallopian tubes ) are termed fimbriae these bear cilia which beat toward the ostium to direct the into the infundibulum.