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In bulls, protrusion is not affected much by erection, but more by relaxation of the retractor penis muscle and straightening of the sigmoid flexure. [ 4 ] References
A 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.
A pair of horns on a male impala Anatomy of an animal's horn. A horn is a permanent pointed projection on the head of various animals that consists of a covering of keratin and other proteins surrounding a core of live bone. Horns are distinct from antlers, which are not permanent.
Elk are the second largest animals in the deer family. Fully grown male elk, or bulls, average about five feet tall at the shoulders and can weigh as much as 1,100 pounds. Their antlers can reach ...
A castrated male steer, occasionally a female or in some areas an intact bull that is trained and kept for draft or riding purposes is called an ox (plural oxen); ox may also be used to refer to some carcass products from any adult cattle, such as ox-hide, ox-blood, oxtail, or ox-liver. [3] A springer is a cow or heifer that is close to calving ...
They are the only accessory reproductive glands in male monotremes. Placental mammals usually have one pair of bulbourethral glands, [ 3 ] while male marsupials have 1–3 pairs. [ 3 ] [ 4 ] [ 5 ] Of all domesticated animals, they are absent only in dogs.
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The penis sheath of a male axis deer is elongated and urine-stained. When rubbing trees with their horns, these stags sometimes move the penis back and forth rapidly inside its sheath. [10] Male bison and fallow deer have tufts of fur at the end of their penis sheaths. [11] In rodents, the length of the prepuce is related to urine marking ...