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A Holstein Friesian bull A Charolais bull. A bull is an intact (i.e., not castrated) adult male of the species Bos taurus ().More muscular and aggressive than the females of the same species (i.e. cows proper), bulls have long been an important symbol in many religions, including for sacrifices.
They are the only accessory reproductive glands in male monotremes. Placental mammals usually have one pair of bulbourethral glands, [ 8 ] while male marsupials have one to three pairs. [ 8 ] [ 9 ] [ 10 ] Of all domesticated animals, they are absent only in dogs.
The male accessory glands are the ampullary gland, seminal vesicle, prostate, bulbourethral gland, and urethral gland. [5]The products of these glands serve to nourish and activate the spermatozoa, to clear the urethral tract prior to ejaculation, serve as the vehicle of transport of the spermatozoa in the female tract, and to plug the female tract after placement of spermatozoa to help ensure ...
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[8] [9] Cattle breeds vary widely in size; the tallest and heaviest is the Chianina, where a mature bull may be up to 1.8 m (5 ft 11 in) at the shoulder, and may reach 1,280 kg (2,820 lb) in weight. [10] The natural life of domestic cattle is some 25–30 years. Beef cattle go to slaughter at around 18 months, and dairy cows at about five years.
Genitourinary system of a bull The penises of even-toed ungulates have an S-shape at rest and lie in a pocket under the skin on the belly. [ 37 ] The corpora cavernosa are only slightly developed; and an erection mainly causes this curvature to extend, which leads to an extension, but not a thickening, of the penis .
The Comparative anatomy of the domesticated animals. D. Appleton & Company. pp. 869 penile sheath OR penis sheath OR preputial sheath OR prepuce. Richard Doty (1 January 1976). Mammalian Olfaction, Reproductive Processes, and Behavior. Elsevier Science. pp. 126–. ISBN 978-0-323-15450-5
The spermatic cord is the cord-like structure in males formed by the vas deferens (ductus deferens) and surrounding tissue that runs from the deep inguinal ring down to each testicle.