Cardiovascular System: Blood Vessels
The ________ pulse can be palpated near the temple anterior to the auricle of the ear.
temporal
The ________ artery descends along the arcuate line of the ilium and
passes below the
inguinal ligament.
external iliac
In a capillary bed, blood enters by a terminal arteriole, continues
through a metarteriole, and
exits to a venule by means of a(n) ________.
thoroughfare channel
The ________ vein descends through the transverse foramina of the
first six cervical
vertebrae.
vertebral
Capillaries that allow a high degree of flow between the blood and
tissue fluid usually have
pores called ________ in their membranes.
fenestrations
The blood-brain barrier consists of capillaries with complete
________ and no intercellular
clefts.
tight junctions
The presence of ________ in the veins and the action of skeletal
muscle pressing on the walls
ensure that blood return to the
heart is in one direction.
valves
The largest blood vessels near the heart have their own blood supply
network called the
________.
vasa vasorum
The ________ branches to form the right subclavian and right common carotid arteries.
brachiocephalic trunk
Venous blood from the right posterior intercostal veins (except the
first intercostal space)
flows to the unpaired ________ vein and
on to the superior vena cava.
azygos
Venous blood from the hands can be drained towards the heart through
the radial, ulnar,
median, cephalic, and ________ veins.
basilic
________ channels, also known as arterial anastomoses, provide
alternative pathways of
blood to joints.
collateral
Blood flow to the posterior brain follows the following sequence:
subclavian artery, vertebral
artery, ________, posterior cerebral arteries.
basilar artery
Veins with compromised valves are called ________ veins.
varicose