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A three-dimensional finite-difference thermoregulatory model of a squirrel monkey.

Authors
Type
Published Article
Journal
International Journal of Radiation Oncology*Biology*Physics
0360-3016
Publisher
Elsevier
Publication Date
Volume
12
Issue
6
Pages
983–992
Identifiers
PMID: 3721940
Source
Medline

Abstract

A three-dimensional thermoregulatory model of a squirrel monkey, whose shape is approximated by 742 rectangular blocks of varying sizes, has been developed. The inhomogeneous model has four layers: a core, a composite layer of muscle and fat, skin, and fur. The model simulates the flow of heat into and out of the body, including internal heat generation (metabolism) by the body, cooling and distribution of heat by blood, thermal conduction throughout the body, evaporative heat loss from sweating, and radiation and convection from the outer surface of the body. It also simulates dynamic thermoregulatory behavior such as peripheral vasomotor responses (skin vasodilation and vasoconstriction) and variable sweating rates. Computed results are compared with available experimental data; the agreement is good, especially for ambient temperatures above 26 degrees C.

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