Avian Reproductive System Flashcards
What’s the difference between mammal and bird reproductive system
Reproduce differently
Birds lay eggs
Mammals live bear
What happens to females after they reach sexually maturity
Right ovary and oviduct degenerate leaving the left ovary
What is an ovary
Cluster of follicles
Egg released ready to be fertilised
What are the five sections that the oviduct is compromised of
Infundibulum
Magnum
Isthmus
Uterus
Cloaca
What is the function of the infundibulum
Receives eggs
Fertilisation happens
What is the function of the magnum
Secretes the albumen
What is the function of the isthmus
Adds the shell membrane
What is the function of the uterus
Secretes the shell and pigment
What is the function of the cloaca
Where egg and waste leaves the body
What will some male birds have
Cloaca’s and some have penis such as ducks
What is androgens (part of male reproductive system)
Male sex hormone such as testosterone which is produced by testes
Responsible for sperm production leads to sexual activity
Controls sexual characteristics
What is phallus (part of a males reproductive system)
Copulatory organs
Becomes inflamed with lymph during mating
Allows semen to be deposited into females
What is cloaca (part of the male reproductive system)
Provides a passageway for digestive and urinary product but also reproductive tracts
What is the papillae (part of the male reproductive system)
Emit semen into the cloaca of the female
What is the vas deferens (part of the male reproductive system)
Transport sperm
Extend from epididymis to cloaca
What is the epididymis
Sperm is stored
Smaller than testes
What is the testes
Located within abdominal cavity
What is an advantage of mammals reproductive system
Less infections
What is a disadvantage of mammal reproductive system
Certain times that are receptive
Must go through oestrous cycle
What is an advantage of birds reproductive system
Very quick
productive
No certain time they are receptive
EXAM QUESTION
How many ovaries do female adult birds have
One
EXAM QUESTION
What are the parts of the oviduct
Cloaca
Uterus
Magnum
Isthmus
Infundibulum
EXAM QUESTION
What is the function of the epididymis
Store sperm
What is the cloacal kiss
Both posses cloaca
Cloacal copulation- pressed together
15 seconds
