Human Reproduction(short note)part-1

1. Leydig cell synthesis and secrete testicular hormones called androgen.

LH

FSH

1. Male sex accessory duct- ratetestis, Vasa efferentia, epididymis and vas deferens.

Myometrium exhibits strong contraction during the delivery of the baby.

2. The female external genitalia include mons pubis, labia majora, labia minora, hymen and clitoris

The increased level of GnRH then act at the anterior pituitary gland and stimulates secretion of two hormones

LH 

FSH

FSH- act on sertoli cell.

LH- acts on leydig cell.

Sertoli cells provide nutrition to the germ cell

About 200 to 300 millions  sperms are are ejaculates during a coitus 

 40% of the must show vigorous motility, 60% normal shape and size

# menarche- first menstruation begins

Let us remember that HCG,HPL and relaxin are produced  in women only during pregnancy

One month of pregnancy- heart ❤️ is formed.

2nd month of pregnancy- limbs and digit are developed.

3 month of pregnancy- most of the organs are formed.

5 month of pregnancy- first moment and hair are developed.

6 th month of pregnancy- body covered by hair and eyelid, eyebrows.

Note- 3 month 12 week, 3 month equal first trimester,

Second trimester equal 6 month.

FSH-follicle stimulating hormone

LH-luteinizing hormone