The upcoming discussion will update you about the difference between penis and hemipenis. Difference # Penis: 1. A single intromittent organ which is found in the males of turtles, crocodiles, in some birds and mammals, called penis. In marsupials the penis is forked for the paired lateral vagina. 2. The penis is situated mid-ventrally in […]
Difference between Penis and Hemipenis | Vertebrates
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Modification of Aortic Arches in Vertebrates – Discussed!
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In this article we will discuss about the modifications of aortic arches in vertebrates. The basic fundamental plan of the aortic arches is similar in different vertebrates during embryonic stages. But in adult the condition of the arrangement is changed either being lost or modified considerably. The number of aortic arches is gradually reduced as […]