Avian Heart Flashcards
1
Q
Where is the heart located in birds
A
Heart located on ventral midline
Enclosed by left and right lobes of the liver
Birds have no diaphragm
2
Q
What is the difference between the walls of the heart
A
Left side is x3 thicker than right
3
Q
What is the function of the chordae tendinae
A
Chordae tendineae maintain the position and tension of the atrioventricular valve (biscupid)
They maintain the one-way blood flow from the atria to the ventricles.
4
Q
Which AV valve has no chordae tendinae
A
Right AV (triscuoid)
5
Q
What is the function of the renal portal system
A
Receives blood from the caudal body
6
Q
How is portal blood flow regulated
A
Portal valve
7
Q
What happens to drugs injected into hind limb
A
Metabolised before general circulation
