reproduction in aves Flashcards
(9 cards)
1
Q
A
2
Q
what is the ovum in aves
A
the yolk
3
Q
when ovulation occurs in aves where does the ovum go
A
thee oviduct
4
Q
s + f of the infundibulum in aves
A
first part of oviduct
catches and channels ovum, fertilisation happens here
5
Q
s + f of the magnum in aves
A
largest part of oviduct
ovum remains here for 3 hrs, egg white forms
6
Q
s + f of the isthumus in aves
A
narrow, constricted
forms shell membrane, developing egg stays here for 75 mins
7
Q
s + f of the shell gland / uterus in aves
A
4 - 5 inches long
egg stays here for 20+ hrs, calcium added
8
Q
s + f of the vagina in aves
A
elastic muscle
pushes egg out of body, turns egg so it comes out large end first
9
Q
s + f of the sperm storage tubule / sperm hosts
A
- between shell gland and vagina
- gland that stores sperm for 14 days
- when egg is laid sperm leaves the glands and returns to oviduct to the infundibulum where the process starts again