198
Dynamics
of
the
Vascular
System
transport mechanisms that
allow glucose, some amino acids and
macromolecules to move across some capillary walls. Some
of
thee
mechanisms have not been elucidated. One such mechanism is through
vesicle-mediated transport process.
A
Continuous capillary
lmucoDolvsaccharides
7
and collagen fibers)
Nucleus
B
Fenestrated capillary
Bakement membrane
c
Sinusoidal capillary
Fig.
7.1.4:
Structure
of
portions
of
the endothelial wall
in
(A)
a continuous capillary,
(B)
a fenestrated capillary, and (C) a sinousoidal capillary.
From
Randall et al.
(1997).
