Male Reproductve System

Question 1

Scrotum

Answer 1

Pouch of pigmented skin and fibrous tissue and muscle divided into 2 compartments

Question 2

Testes layers

Answer 2

Tunica vaginalis - outer covering
Tunica albulginea - fibrous covering
Tunica vasculosa - network of capillaries

Question 3

Seminal vesicles

Answer 3

Secrete seminal fluid
Provides energy for sperm

Question 4

Prostate

Answer 4

Produces milky coloured prostate fluid composing of 30% of volume of semen

Question 5

Penis

Answer 5

Passage for ejaculation of semen and excretion of urine

Question 6

Secondary sex characteristics

Answer 6

Body hair
Muscle growth
Taller
Enlargement of larynx

Question 7

Spermatogenesis stage 1

Answer 7

Diploid spermatogonia include twice number of chromosomes

Question 8

Stage 2 sperm

Answer 8

Chromatids allow the exchange of genetic information through the synapsis process
It is done before dividing into haploid spermatocytes through meiosis

Question 9

Stage 3 spermatogenesis

Answer 9

Through this division the new. Daughter cells will further divide into 4 spermatic having unique chromosome that are approximately half in number of original spermatogonium

Question 10

Stage 4 spermat

Answer 10

Cells mov from lumen of testes to epidymis
They get move and developed into 4 sperm cells with growth of micro tubules

Question 11

Fertilisation stage 1

Answer 11

Sperm makes contact with egg

Question 12

Stage 2 fertilisation

Answer 12

Acrosome reats with zona pellucida

Question 13

Stage 3 ferti

Answer 13

Acrosome reacts wt the perivitelline space

Question 14

Stage 5 fertilisation

Answer 14

Sperm nucleus enters egg

Question 15

Stage 6 fertilisation

Answer 15

Cortical granules fuse with egg plasma membrane

Question 16

Ejaculation stage 1

Answer 16

Vas defers contract to squeeze sperm towards base of penis prostate gland and seminal vesicles release secretions to make sperm

Question 17

Stage 2 ejaculation

Answer 17

Muscles at the base contract every 0.8 secs and force semen out of the penis

Question 18

Erection

Answer 18

Parasympathetic stimulus resulting in massive increase of blood to fill corpus carvel nose and spongiosm