L15 Gross Anatomy of Blood & Lymphatic Vessels Flashcards
What are the 5 main types of blood vessels?
arteries
arterioles
veins
venules
capillaries
Arteries carry blood ________ the heart to the organs
away from
The thin walls of capillaries allow ______ of substances between _____ and _______.
exchange
blood
body tissues
Veins convey blood from the tissues ____________
back to the heart
Angiogenesis refers to the ________ of new _______.
growth
blood vessels
Why is angiogenesis is an important process?
-wound healing
-formation of new uterine lining after menstruation
-development of blood vessels around obstructed arteries.
__________ ( TAFs ) is a tumor that secretes proteins which stimulates blood vessel growth to provide ______ for the tumor.
Tumor angiogenesis factors
nourishment
The branches of 2 or more arteries supplying the same body region is called _______.
anastomosis
Anastomosis establish _______ circulation in case of a block to one artery. An artery without anastomosis is called ________.
collateral
end artery
The wall of a blood vessel consists of 3 layers which are?
Tunica Interna ( Intima )
Tunica Media
Tunica Externa ( Adventitia )
Tunica interna forms the ______ lining of the blood vessel and is composed of ______layer, ______ layer and _______ lamina.
inner
epithelial
deep
internal elastic
Tunica Media consists of concentric layers of ________ fibers interspersed with ______ fibers.
smooth muscle
elastic
Tunica Externa forms the _____ covering of a blood vessel and consists of _____ and _____ fibers
outer
elastic
collagen
Tunica Externa contains _________ which are small _______ that supply ____ to the vessel wall.
vasa vasorum
vessels
blood
Elastic artery has a ____ wall with large diameters. The tunica media has many _______ and little ______ that allow the vessels to stretch and spring back.
thick
elastic fibers
smooth muscle
Muscular artery has a prominent ________ (IEL ) and has more ______ and less _______.
Internal elastic lamina
smooth muscles
elastic fibers
Function elastic artery is for a _______ and ________.
conduction
pressure reservoir ( stretch & recoil )
Function of muscular artery is ________ and ________.
distribution to body organs
vasoconstriction
Locations of elastic artery are ?
-aorta
-pulmonary trunk
Locations of muscular artery are?
-Brachial
-Femoral
Arterioles __________ into the capillary networks. The terminal end of the arteriole is called _______ which tapers towards the capillary junction.
regulate the flow of blood
metarterioles
At the metarteriole-capillary junction, the __________ is formed which regulates the flow of blood into the capillaries.
precapillary sphincters
Tunica intima of arterioles and venules have NO__________. Tunica media of arterioles of NO ________.
Internal elastic lamina
External elastic lamina
Veins are arranged as _______ veins and _______ veins.
superficial
deep
Veins function as ______ from which blood can be diverted quickly if needed.
blood reservoirs
Veins of _______ organs and _____ are the main reservoirs of blood.
abdominal
skin
The valves in the superficial veins prevent the ______ of blood from ______ to _______ veins.
backflow
deep veins
superficial
The thickest tunica in large vein is ________
Tunica externa ( adventitia )
Tunica externa in large vein contains few bundles of _______ arranged ________ and abundance of _________.
longitudinally
smooth muscles
vasa vasorum
Capillary wall composed of 3 which is ?
-A single endothelial layer
-Basement membrane
-Pericytes
The 3 types of capillary are?
-continuous
-fenestrated
-sinusoidal
The endothelial cells of continuous capillary have a _______ cytoplasm and _____ basal lamina. It has many _______. Found in ____,______,______.
complete
continuous
pinocytic vesicles
lungs, muscle, nervous tissue
The endothelial cells of fenestrated capillaries have many ______ and a ______ basal lamina. Found in _______,_______.
fenestrae
continuous
endocrine glands, intestinal villi
Sinusoidal capillary has _____ between and within the endothelial cells and a ______ basal lamina. Found in sinusoid of _____,_____,_____.
gaps
discontinuous
liver, spleen, bone marrow
The lymphatic system consists of 4 elements which are?
Lymph
Lymphatic vessels
Lymphatic tissue
Red bone marrow
Functions of lymphatic system are?
-Drains interstitial fluid and return it to the blood
-Transports dietary lipids
Carries out immune responses.
The interstitial fluid passes into lymphatic vessels where it will be called ______.
lymph
Lymphatic vessels of the viscera follow ______ while lymphatic vessels under the skin follow _____. Lymphatic capillaries are absent in _____ tissues.
arteries
veins
avascular
Lymphatic vessels join to form trunks which form 2 large vessels which are _____ duct and ______duct.
right lymphatic
thoracic
Lymph flow is assisted by :
-skeletal muscle pump
-respiratory pump
Lymphatic organs are classified into?
primary ( red bone marrow, thymus )
secondary ( lymph node, spleen )
Lymphatic capillaries in small intestine called ______ carry _____ into lymphatic vessels and into the blood. Lymph from small intestine is milky and called ______.
lacteal
dietary lipids
chyle
