The anatomy of the cloaca of male Triturus v. vulgaris was studied by light microscopy, including microcomputer generated three-dimensional reconstructions of serial sections. Five types of cloacal ...

James Forbes, Dominic Do-Van-Quy, The Anatomy and Histology of the Male Reproductive System of the Legionary Ant, Neivamyrmex harrisi (Haldeman) (Hymenoptera: Formicidae), Journal of the New York ...

Male fertility is primarily governed by hormones regulated by the hypothalamus and pituitary gland. These two structures, within the Hypophyseal-Pituitary-Gonadal (HPG) axis, control the levels of ...

His and hers: Male sex hormones control differences in mammary gland nerve growth Date: December 6, 2012 Source: Johns Hopkins Medicine Summary: Scientists have found a surprising mechanism that ...

The male urethra is comprised of four main segments. The preprostatic urethra runs in front of the prostate, while the prostatic urethra courses through that gland.