Pilonidal sinus--the tale of the fetal tail.
Bronshtein
Moshe
M
Solt
Ido
I
Blumenfeld
Zeev
Z
Arad
Ayala
A
D005260:Female; D006801:Humans; D008297:Male; D010864:Pilonidal Sinus / Q000151:congenital / Q000000981:diagnostic imaging / Q000196:embryology*; D011247:Pregnancy; D016216:Ultrasonography, Prenatal