coccygeal whorl

vor·tex coc·cy·'ge·us

a spiral arrangement of coarse hairs sometimes present over the region of the coccyx.
Synonym(s): coccygeal whorl
Farlex Partner Medical Dictionary © Farlex 2012

coccygeal whorl

An obsolete term that formerly dignified a spiral tuft of hair of undetermined significance, occasionally found on the skin surface of the coccygeal region.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
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