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Morphologic Sites for Regulating Blood Flow in the Exocrine Pancreas by S. Aharinejad; I.C. MacDonald; A. Miksovsky is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Morphologic Sites for Regulating Blood Flow in the Exocrine Pancreas about?

The exocrine pancreas has a lobular structure and an intricate capillary network supplies the lobules. Casts of these capillaries are either straight and of constant width, provided with many shallow crests, or undulating and of varying diameter, provided with bulges and deeper constrictions. The mean capillary cast diameter is 6.32 μm (SD 0.53) and 3.91 μm (SD 0.84) at constriction sites. The first type corresponds to non-fenestrated capillaries, makes 24% of capillaries and is more frequently provided with pericytes (2.7 6 0.9 pericytes per capillary profile). The second type corresponds to fenestrated capillaries, comprises 76% of the capillaries and is less frequently provided with pericytes (1.5 6 0.6 pericytes per capillary profile). The endothelial cells of capillaries regularly form intermediate junctions and microvilli and contain microtubuli and cytoplasmic filaments. Intravital observations show that capillaries are capable of contracting and narrowing the capillary lumen. This contractility is accomplished by endothelial cells both at and apart from their nuclear regions while pericytes never contracted spontaneously during our in vivo observations. The capillary diamet

Who reads Morphologic Sites for Regulating Blood Flow in the Exocrine Pancreas?

Author

S. Aharinejad; I.C. MacDonald; A. Miksovsky

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1059-910X)

Published

1997

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)