880
UNIT 4
Maintenance of the Body
23
(a)
(c)
(b)
Lobule
Central vein
Interlobular veins
(to hepatic vein)
Central vein
Sinusoids
Portal triad
Plates of
hepatocytes
Portal vein
Bile canaliculi
Fenestrated
lining (endothelial
cells) of sinusoids
Bile duct (receives
bile from bile
canaliculi)
Bile duct
Portal arteriole
Portal venule
Connective
tissue septum
Stellate macrophages
in sinusoid walls
Figure 23.25
Microscopic anatomy of the liver.
(a)
Classic lobular pattern of a pig liver.
(b)
Enlarged view of one liver lobule.
(c)
Three-dimensional representation of a small portion of
one liver lobule, showing the structure of sinusoids. Arrows indicate the direction of blood flow.
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