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 [por´us] (L.)
porus acus´ticus exter´nus the outer end of the external acoustic meatus.
porus acus´ticus inter´nus the opening of the internal acoustic meatus in the cranial cavity.
porus op´ticus the opening in the sclera for passage of the optic nerve.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


1. An opening, hole, perforation, meatus, or foramen.
2. Synonym(s): sweat pore
Synonym(s): porus (1)

See also: opening, meatus, foramen.
[G. poros, passageway]

warble pore

an open connection between the surface of the skin and the embedded larvae as seen in warbles (Hypoderma sp.).
Synonym(s): porus
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