The anatomy of humane bodies with figures drawn after the life by some of the best masters in Europe and curiously engraven in one hundred and fourteen copper plates : illustrated with large explications containing many new anatomical discoveries and chirurgical observations : to which is added an introduction explaining the animal œconomy : with a copious index / by William Cowper.

Fig. 5.

A, The Blood-Vessels of the Testicle Injected with Wax, and not Separated from their Inward Membrane, deriv'd from the Peritonaeum.

B, The Spermatick Artery.

C, The Vein.

D D, The Spermatick Blood-Vessels above the Testes which are Distributed to the Epididymis. E, Vasa Deferentia; F, Tunica Albuginea; G, and to the Stone it self H. The Sixth Figure shews the other Side of the same Testicle and Vessels, which are Distinguish'd by the same Letters.

From what has been said, it Appears the Vasa Deferentia like the Secretory Ducts of other Glands, Spring from the Extremities of the Blood-Vessels of the Testes; and agreeable to the Length and Tortuous Progress of the Blood-Ves∣sels of these Parts, so their Secretory Ducts or Vasa Deferentia are of a vast Length also, and Dispos'd in divers Foldings in Composing that Part call'd the Epididymis. The Vasa Deferen∣tia thus Arising from the Epididymis, pass up Straight with the Preparantia: Soon after they are in the Cavity of the Abdomen, these Defe∣rent Vessels leave the Preparantia, and Descend over the Ureters in the Pelvis of the Abdomen, between the Bladder of Urine and the Rectum; where they begin to Dilate themselves and Open into the Vesiculae Seminales, as Appears in the following Table, Fig. 1, 2.