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Lymphatics
Lymphatics by Dr. Powell
28
Medical
Professional
09/04/2011

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Term
pumps blood through the system
Definition
heart
Term
vessel that is under very high pressure
Definition
artery
Term
capacitance, volume reservoir,
 Most of the blood is in circulation
Definition
veins
Term
smallest of the vessels, where gas exchange occurs
Definition
capillary
Term
o Vessels are thin walled and the fluid that drains from the tissues that will eventually be dumped into venous circulation
Definition
lymph vessels
Term
 Made of a layer(s) of endothelial cells
 Basal lamina
 Internal elastic lamina is the bottom boundary for the lamina
Definition
intima of blood vessel
Term
Made of mostly smooth muscle
Elastic lamina
Definition
Media of Blood Vessel
Term
Made of Collagen and has an elastic lamina
Innervated by nerves
Definition
adventita of the blood vessel
Term
the most abundant protein in the blood
Definition
albumin
Term
Blood vessels within blood vessels
Definition
vasa vasorum
Term
the 4 types of arteries
Definition
large elastic arteries
medium muscular arteries
arteriole
metarterioles
Term
pressure needed to prefuse organs
Definition
mean arterial pressure
Term
a type of vessel that:
ARTERIAL SUPPLY TO ORGANS
THICKENED INTMA AND MEDIA
CONTAIN LYMPHATICS AND VASA VASORUM
Definition
medium arteries
Term
the primary site of vascular resistance
the site for bp medication
controls the flow into capillaries
Definition
arterioles
Term
controls blood flow through capillaries
Definition
metarterioles
Term
tunica media is thick is muscular arteries
Definition
to maintain shape
Term
a structure that bypasses capillary beds
Definition
arteriovenous anastomoses
Term
BIFURCATION OF COMMON CAROTID ARTERIES
CHEMRECEPTORS
O2, CO2, Ph changes in blood
Definition
carotid bodies
Term
DILATATION OF THE COMMON CAROTID
MECHANORECEPTORS responds to CHANGES IN BLOOD PRESSURE
Definition
carotid sinuses
Term
the vessel that has the largest total surface area
Definition
capillaries
Term
multipotential cells
Definition
pericyte
Term
the most abundant typeAbsence fenestrae
Tight junctions
Ex: Blood-Brain Barrier, Most Organs
of capillary
Definition
continuous capillary
Term
A type of capillary
Presence of thin wall fenestrae(diaphragm)
Ex: Kidney Glomerulous, Endocrine Organs
Definition
fenestrated
Term
Large Diameter(30-40 microns)
Discontinuous Basal Lamina
Endothelial cells are separated by space
Association of phagocytic cells(Kuffer cells in liver)
Ex: Liver Sinusoids, Bone Marrow, Spleen, Placenta
Definition
sinusoidal
Term
Types of capillary transport
Definition
1. Micropinocytosis (vesicles)
2. Diffusion through fenestrae
3. Diapedesis through
intercellular junctions
4. Diffusion across
membranes & cytoplasm
5. Diffusion & Diapedesis
through endothelial
discontinuities
Term
where is permeability the highest
Definition
capillary
Term
a disorder seen in people who stand for lomg periods of time; the lymphatic valves become further apart
Definition
varicose veins
Term
seen in truck drivers, blood clot can break off and form an embolis
Definition
thrombophebitis
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