The elements of the periodic table sorted by name in an alphabetical list. Click on any element's name for further chemical properties, environmental data or health effects. This list contains the 118 elements of chemistry.
Structures of the male reproductive system include testes, accessory glands, penis, semen, and hormones. Testes. The testes are located outside the abdominal cavity, suspended in a sac called the scrotum, which is between the thighs. Each of the two testis (singular) is surrounded by a tough fibrous connective tissue capsule. The word for the testes originated in the Greek and so named for its oval shape â orchis.
Reproductive System. The male reproductive system consists of testes, ducts, glands, urethra and penis. The testes (from splanchnic hypomere mesoderm) are located in an external pouch, the scrotum, which is a projection from the peritoneal cavity.Scrotal sacs have descended outside the abdominal cavity to keep the sperm cool.xcretory System. The structures of the excretory system are paired kidneys and ureters from mesomere mesoderm, and an unpaired urinary bladder and urethra. Locate the kidneys on the dorsal part of the abdomen on either side of the vertebral column, embedded in fat. Note a small adrenal gland anterior to each kidney.