Cardiovascular Anatomy (part II) Flashcards
The cardiac conduction system is made up of
specialized myocardial tissue with rhythmicity
is specialized myocardial tissue a nerve tissue
no its not nerves
The Atrio-ventricular Node is located in the posteroinferior part of what
of the right atrium {aka triangle of Koch}
The triangle of Koch is bound by what
septal leaflet of the tricuspid valve
the opening of the coronary sinus
and the tendon of Todara
What stretches from the coronary sinus opening and the inferior vena cava
tendon of Todara
The Sinu-Atrio node is located where
in the upper right atrium near the opening of the SVC
The Bundle of His is located where
in the membranous part of the interventricular septum
The right and left bundle branches are located where
in the muscular part of the interventricular septum
Bundle branches end as the subendocardial what
Purkinje fibers
the SA nod is innervated by what
cardiac plexus with sympathetic fibers from T1-5 sympathetic ganglia and parasympathetic fibers from CN X
The cardiac plexus is divided into two parts which are what
Deep and superficial
Where are the Deep and Superficial plexuses located
Deep - lies behind the arch of the aorta
Superficial - below arch
The superficial part of the cardiac plexus receives fibers from where
Superior cervical sympathetic ganglion
Inferior cardiac branch of the vagus
Deep cardiac plexus receives contributions from what
superior, middle and inferior cervical sympathetic ganglia
superior and inferior cardiac branches of Vagus
recurrent laryngeal nerves from the vagus nerve
What are the branches of the thoracic aorta
right and left coronary arteries brachiocephalic trunk left common carotid left subclavian artery 3rd to 11th posterior intercostals 3 brachial branches 4-5 esophageal branches
What are the branches of the abdominal aorta
4 paired visceral arteries
4 pared parietal
4 unpaired visceral
where does the abdominal aorta end
at L4
what are the 4 paired visceral arteries of the abdominal aorta
inferior phrenic
middle adrenal
renal
gonadal
what are the 4 paired parietal branches of the abdominal aorta
1st to 4th lumbar arteries
what are the 4 unpaired visceral arteries of the abdominal aorta
celiac trunk
superior mesenteric artery
inferior mesenteric artery
median sacral artery
when the aorta ends what does it do
it bifurcates into the common iliac arteries
after the aorta ends and bifurcates into the common iliac artery it then divides into what
internal and external iliac arteries
What are the 9 branches of the internal iliac artery
Anterior division:
Superior vesical
Inferior vesical
Middle rectal
Obturator
Inferior gluteal
Internal pudendal
-Uterine in females
Posterior division:
Iliolumbar
Lateral sacral
Superior gluteal
Some Inherit Money, Others Inherit Insanity, Usually, Isn't Life SillyThe External Iliac Artery has three branches known as
Cremasteric artery (males)
Inferior epigastic artery
Deep circumflex artery
the External Iliac Artery continues as what
the femoral artery
beyond the inguinal ligament the femoral artery continues with which branches
Superficial external pudendal
Deep external pudendal
Superficial circumflex
Deep femoral w/its medial and lateral circumflex branches
Where can the femoral artery be palpated
at the mid-inguinal point which is halfway between the ASIS and pubic symphysis
the femoral artery passes through what
the adductor canal
after passing through the adductor canal the femoral artery becomes what
popliteal artery
the branches of the popliteal artery includes what arteries
medial and lateral superior, middle, medial and lateral inferior genicular arteries
The popliteal artery bifurcates into what tow arteries in the lower part of the popliteal fossa
posterior and anterior tibial arteries
What artery leaves the popliteal fossa
anterior and posterior tibial artery
What compartment of the leg does the posterior tibial artery enter
the posterior compartment of the leg
the posterior tibial artery passes behind the medial malleolus to divide into what
medial and lateral plantar arteries
what are the branches of the posterior tibial artery
posterior medial malleolar
muscular
peroneal or fibular
nutrient to the tibia
The anterior tibial artery continues in the foot as what artery
dorsalis pedis artery
the dorsalis pedis artery gives off a branch called what that supplies the dorsum of the foot
arcuate artery
the dorsalis pedis artery joins with what artery to form the plantar arch
lateral plantar branch of the posterior tibial artery
where does the left subclavian artery come off of
arch of the aorta
the right subclavian artery comes off of what
brachiocephalic trunk
what are the branches of the subclavian artery
internal thoracic
vertebral
thyrocervical trunk
costocervical trunk
the thyrocervical trunk of the subclavian artery has what branches
Suprascapular
inferior thyroid
transverse cervical
the Costocervical trunk of the subclavian artery has what branches
superior intercostal artery
Deep cervical
Beyond the outer border of the first rib, the subclavian artery becomes what
the axillary artery
the axillary artery divides into three parts because of what
pectoralis minor muscle
What are the branches of the axillary artery
1st part is the superior thoracic artery
2nd part thoraco-acromial and lateral thoracic arteries
3rd part subscapular, posterior and anterior circumflex humeral arteries
The axillary artery becomes when beyond the blower border of teres major
brachial artery
The branches of the brachial artery are what
profunda brachial [accompanies the radial nerve]
nutrient
muscular
superior and inferior ulnar collateral arteries
The brachial artery terminates where
in the cubital fossa at the level of the neck of the radius
What happens to the brachial artery at the level of the neck of the radius
it bifurcates into the radial and ulnar arteries
what are the branches of the radial artery [RCMP]
Radial recurrent
Carpal
Muscular
superficial Palmar arteries
what are the branches of the ulnar artery
anterior and posterior ulnar collateral which anastomose with the superior and inferior ulnar collateral branches of the brachial artery common interosseous muscular anterior and posterior carpal deep palmar
The radial and ulnar arteries for two arches in the palm known as what
superficial palmer arch (continuation of Ulnar artery)
deep palmar arch (continuation of radial artery)
the superficial palmer arch lies between what
palmar aponeurosis and the digital flexor tendons
the superficial palmar arch is completed by what
superficial palmar branch of the radial artery
the deep palmar arch lies between what
palmar interossei and the deep digital flexor tendons
the deep palmar arch lies proximal to what
superficial palmar arch
What is derived from the deep and superficial palmar arches?
common palmar digital arteries
The axillary nerve accompanies what and where
the posterior circumflex artery in the quadrangular space
the brachial artery is accompanies by what
median nerve in the arm
the superior ulnar collateral artery accompanies the ulnar nerve where
beind the medial epicondyle
the ulnar artery is accompanies by what
ulnar nerve in the forearm
the anterior interosseous nerve is accompanied by what
anterior interosseous artery
the superficial radial nerve is accompanied by what
radial artery
the posterior interosseous nerve accompanies what
the posterior interosseous branch of the radial nerve
the femoral nerve is accompanied by what and where
femoral artery in the upper thigh
the saphenous nerve accompanies what and where
femoral artery in the mid-thigh
the popliteal artery accompanies what and where
tibial nerve in the popliteal fossa
the posterior tibial nerve accompanies what and where
posterior tibial artery in the posterior leg compartment
the anterior tibial artery accompanies what and where
deep peroneal nerve in the anterior leg compartment
