Answer the following questions:(a). Name the hormones secreted and wri – InterviewSolution

InterviewSolution

1.

Answer the following questions:(a). Name the hormones secreted and write their functions:(i) by corpus luteum and placenta (any two). (ii) during Follicular phase and parturition.(b). Name the stages in a human female where:(i) Corpus luteum and placenta co-exist. (ii) Corpus luteum temporarily ceases to exist.

Answer»

(A)

	Hormones Secreted	Their functions
(i) By corpus luteum	1. Progesterone 2. Estradiol	Essential for maintaining endometrium for implantations of fertilised ovum. Also inhibits release of FSH.
By placenta	1. Human Placental lactogen	Ensures supply of energy to foetus. It has anti-insulin property.
	2. hCG (Human chorionic gonadotropin)	Maintains corpus luteum in pregnancy and stimulates release of progesterone.
(ii) During Follicular Phase	1. LH 2. FSH	Stimulates follicular development as well as secretion of estrogen by growing follicles.
During parturition	Oxytocin	Leads to contraction of smooth muscles of myometrium of the uterus during child birth.

(B) (i) During pregnancy

(ii) During menstruation.

Discussion

No Comment Found

Related InterviewSolutions

During coitus, semen is deposited in the vagina. Give the path of sperm movement in female reproductive tract.
Which hormones regulate menstrual cycle?
Write the specific location and the functions of the primary spermatocyte in human male.
What is menstrual cycle?
The above diagram shows human male reproductive system (one side only).(a) Identify 'X' and write its location in the body.(b) Name the accessory gland 'Y' and its secretion.(c) Name and state the function of Z.
What is oogenesis? Give a brief account of oogenesis.
Write the location and function of Leydig cells in humans.
Sterilization and IUDS are effective birth control measures, but lactational amenorrhea may not be so effective.(a) How the sterilization procedure of males differ from that of females in preventing pregnancy?(b) Which part of the female reproductive organ is utilized for the IUD procedure? How this procedure prevents pregnancy? (c) Why the lactational amenorrhea is not so effective?
Name the functions of the following.(a) Corpus luteum(b) Endometrium(c) Acrosome(d) Sperm tail(e) Fimbriae
The above diagram shows a part of the human female reproductive system.(a) Name the gamete cells that would be Present in 'X' if taken from a newborn baby.(b) Name Y and write its function.(c) Name Z and write the events that take place here.