Lamprey (Urogenital And Nervous Systems) Flashcards
(9 cards)
1
Q
Why type of kidney do Lamprey have?
A
Opisthonephric kidney (paired)
2
Q
Where is the archinephric duct? Where does it drain.
A
Runs along the free lateral margin of the kidney and drains to the cloaca
3
Q
How many ovaries do lamprey have?
A
1
4
Q
Where are eggs released into?
A
Coelom!
5
Q
What hole do eggs leave the lamprey?
A
Cloaca
6
Q
How many testes do lamprey have?
A
Only 1 testis
7
Q
Where is sperm released?
A
Coelem
8
Q
Where do sperm exit the lamprey?
A
Cloaca
9
Q
Recognize the brain, spinal cord, and pineal eye complex in the lamprey
A
pineal gland- directly posterior to the olfactory sac
brain- posterior to the pineal gland
spinal cord- superficial to the notochord
