During this third month the external sexual organs become determinable.
Unlike lizards they have no eardrums or external male sexual organ.
Phantom limb syndrome is a common, often painful experience after the loss of an external organ.
Above that were two external organs the size of tennis balls - eyes, we supposed.
There are two primary disorders that affect the male reproductive external organs.
About that time, too, the external sexual organs make their appearance.
Includes a map and description of internal and external organs.