metatarsus atavicus

met·a·tar·sus at·a·v'i·cus

abnormal shortness of the first metatarsal bone as compared with the second.
Farlex Partner Medical Dictionary © Farlex 2012

metatarsus atavicus

An overly short and abducted first metatarsal bone.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.