To thoroughly understand the causes of a hydrocele, it’s necessary to learn a little about the anatomy of the male reproductive system ... the tunica vaginalis (a pouch of serous membranes) is formed ...

State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong SAR, 999077, China ...

Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity. Our planet's interior is much too deep and hot to ...