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The Liver and Biliary system

Terms in this set (63)

the liver? (size/weight/what does it hold?/shape/colour)
largest organ in body therefore indication of importance in health
solid weighing approximately 1.8 kg in men/1.3 in women
holds approximately 13% of total blood supply at any given moment
shaped like a wedge
darkish red brown in colour
position of liver?
in upper right quadrant of abdomen just under diaphragm
lies almost entirely within ribcage
held in place by several ligaments
thick capsule of connective tissue called the Glissons capsule covers liver's entire surface
how many primary lobes does the liver have?
4
lobes of liver
what can be seen when viewed anteriorly?
what does right lobe lie over?/left lobe?
what are lobes separated by?
shape of 4 lobes?
when viewed anteriorly dominant right/smaller left lobes can be seen
right lobe lies over colic flexure/right kidney
left over stomach
separated by falciform ligament
4 lobes unequal size/shape
what does falciform ligament also do?
suspends liver from diaphragm/anterior abdominal wall
what runs along inferior edge of falciform ligament?
what is this?
the round ligament (ligamantum teres)
this is a fibrous remnant of umbilical vein
what is fused to diaphragm?
what is the remainder enclosed in?
superior aspect (bare area) fused to diaphragm
remainder enclosed in visceral peritoneum
SEE POWERPOINT FOR DIAGRAM OF ANTERIOR VIEW OF LIVER
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LOBES OF LIVER
from the posterior view the...
caudate lobe is?
quadrate lobe...?
what is situated in a depression on posterior surface?
caudate lobe is POSTERIORMOST
quadrate lobe LIES INFERIOR TO LEFT LOBE
GALLBLADDER situated in a depression on posterior surface
LOBES OF LIVER?
from posterior view...
what lies inferior to left lobe?
quadrate lobe
LOBES OF LIVER?
from posterior view...
what is situated in a depression on posterior surface?
gallbladder
LOBES OF LIVER?
from posterior view...
what is posteriormost?
caudate lobe
SEE POWERPOINT FOR DIAGRAM OF LIVER POSTERIOR VIEW/posteroinferior view
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MICROSCOPIC STRUCTURE OF LIVER
what is liver tissue composed of?
liver tissue composed of thousands of lobules
MICROSCOPIC STRUCTURE OF LIVER
each lobule is?.../approximately size of?.../how are they organised?
each lobule polygonal (roughly hexagonal) in shape
approx. size of sesame seed
organised like bricks in a garden wall
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