TOPIC 5B. Arcus aortae, aorta thoracica Flashcards
Where does the aorta leave the heart from
the right of the pulmonary trunk, and curves caudally not long after
what branch does the aorta give off first
tr brachiocephalicus
what branch does the aorta give off second (in ca and sus)
a subclavia sinistra
what does the aorta become after its given off its first (2 in ca, sus) branches
aorta thoracica
what joins the aorta to the pulmonary trunk in fetus
ductus arteriosum/botallis
what does swine heart have off tr braciocephalis that ca doesnt
tr bicaroticus (with a caroticus sin and dex off this)
after tr brachocephalis on swine heart .. what comes next
a subclavian sinistra (same as ca)
what is the first branch off a subclavian sinistra in swine
tr costocervicalis
first in ca is a vertebralis
what comes off tr costocervicalis in swine (2)
a scapularis dorsalis
a intercostalis supreme (not in ca)
what branches off the a subclavian sistra after truncus costocervicalis in swine
a cervicalis profunda then a vertebralis
tr brachiocephalicus differences
has a subclavian dextra only in ca and sus
and a subclavian sinistra in eq, ru
differences in origin of tr costocervicalis
off a. subclavian sinistra (ca, ru and sus)
off tr. brachiocephalic in eq
differences in numbers of branches of truncus brachiocephalic
ca: 3 branches
eq and sus: 2 branches
ru: 4 branches
differences in location of a vertebralis
before tr costocervicalis in ca
after tr costocervicalis in eq and sus
from tr costocervicalis in bo
what does aorta thoracica give off
a intercostalis dorsalis starting from between th3-6
