VAN-0035
QUESTION
Os penis present in?
OPTIONS
(A) Boar
(B) Dog
(C) Ox
(D) Horse
ANSWER
(B) Dog
EXPLANATION
The os penis, or baculum, is a penile bone present in the dog. It supports the penis and contributes to rigidity during copulation; it is absent in ox and horse and is not the normal penile bone of the boar.
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