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 whorlAn 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.