Definition of "perivisceral" [per•i•vis•cer•al]

• Surrounding the viscera: a perivisceral sinus. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In insects, the main indicator of the nutritional reserve level is the fat body, which appears as a spongy, aggregated mass of cells (trophocytes), whitish in color, and irregularly distributed in the perivisceral space of the thorax and the abdomen."
• "(body-cavity, perivisceral cavity) is divided into three portions completely separated from one another by septa: -- (1) proboscis-coelom, or first body-cavity; (2) the collar-coelom, or second body-cavity; (3) truncal coelom, or third body-cavity."