28 - 32 days
60 - 70 days
20 - 25 days
80 - 90 days
A. 28 - 32 days
surgically removed
not developed in foetus
unable to produce sperms
unable to descend into scrotal sacs
paedogenes
castration
cryptorchidism
impotency
11 months
10 months
15 months
22 months
ova
sperms
bile
saliva
homologous to penis
analogous to penis
functional penis in female
non-functional penis in male
28 - 32 days
60 - 70 days
20 - 25 days
80 - 90 days
vagina
uterus
fallopian tube
ovarian fimbriae
caput epididymis
cauda epididymis
seminiferous tubules
germinal epithelium
kangaroo
elephant
rabbit
goat
testis to scrotum
ovary to the body wall in abdomen
the two muscles
the two bones
Sheep
Bitches
Cows
Goats
gestation
menstruation
puberty
menopause
testis of rabbit
testis of cockroach
testis of frog
liver of mammals
spermatogonia
spermatocytes
sustentacular cells
cells of Leydig
mature eggs
immature eggs
sperms
polar body
seminal vesicle
prostrate gland
cowper's gland
coagulating gland
foetus is supplied by maternal blood
foetus receives maternal blood and nutrition
embryo is enclosed by membranes
embryo is attached to mother by umbilical cord
progestogens
androgens
estrogens
tropic hormones
female reproductive organs of cockroach
male reproductive organs of earthworm
male reproductive organs of rabbit
female reproductive organs of rabbit
equator
rseceptive cone
animal pole
vegetal pole
seminiferous tubules
epididymis
vas deferens
urethra
10 weeks
28 weeks
32 weeks
35 weeks
breast
thyroid
ovary
testis and ovaries
corpus callosum
corpus luteum
corpus albicans
corpus striatum
FSH
LH
oestrogen
progesterone
testes
vasa deferentia
epidydymis
spermatic cord
if a person takes hot bath at 43 - 45°C for 30 minutes per day
if a person wears althletic supporters
during summer months
during winter months
respiration
excretion
protection
nutrition
Haemochorial
Epitheliochorial
Syndesmochorial
Haemo-endothelial
Hamm and Leeuwenhock
Spallazani
De Graff
VonBaer