| 释义 |
DictionarySeesignhair collar sign
hair collar signa tuft of hypertrophic hair in the midline scalp of a baby; may be a cutaneous marker for neural tube dysraphism.hair collar signIn the newborn, a ring of long, dark, coarse hair surrounding a midline nodule on the scalp. This may indicate neural tube closure defect. See also: signLegalSeeSign |