
A molera is a `hole` in a Chihuahua`s head; it is the same as a fontanelle in human babies. Historically, the Chihuahua as developed in Mexico and the United States has displayed a `hole in the head`. In times past, this has been accepted as a mark of purity for this dog breed, and it is still mentioned in most Chihuahua breed standards the w...
Found on
http://en.wikipedia.org/wiki/Molera

Incomplete, imperfect, or abnormal ossification of the skull.
Found on
http://www.akc.org/about/glossary.cfm

Incomplete, imperfect, or abnormal ossification of the skull.
Found on
https://www.encyclo.co.uk/local/21273
No exact match found.