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A mammary gland is an exocrine gland in humans and other mammals that produces milk to feed young offspring.Mammals get their name from the Latin word mamma, "breast".The mammary glands are arranged in organs such as the breasts in primates (for example, humans and chimpanzees), the udder in ruminants (for example, cows, goats, sheep, and deer), and the dugs of other animals (for example, dogs ...
The number of teats varies from two (in elephants and anthropoids) to 18 (in pigs). Marsupials usually have four to 12 teats, [8] but the Virginia opossum has 13, one of the few mammals with an odd number. [9] [10] The following table lists the number and position of teats and glands found in a range of mammals:
nipple of an human male. Almost all mammals have nipples. Why males have nipples has been the subject of scientific research. Differences among the sexes (called sexual dimorphism) within a given species are considered by evolutionary biologists to be mostly the result of sexual selection, directly or indirectly. There is a consensus that the ...
Yes, elephants are indeed mammals. In fact, elephants have the honor of being the biggest land mammal in the world. There are two types of elephants: African and Asian. They both have long trunks ...
Elephants have skin that is typically 2.5 cm thick. The folds and wrinkles in their skin may store as much as 10 times as much water as smooth skin, helping to keep them cool.
Udder of a cow. An udder is an organ formed of two or four mammary glands on the females of dairy animals and ruminants such as cattle, goats, and sheep. [1] An udder is equivalent to the breast in primates, elephantine pachyderms and other mammals.
Officials hope the male will produce offspring at the zoo.
Male lions are known for head rubbing, bats engage in licking, and mountain sheep rub horns and faces with each other. [15] Kissing, touching of noses, mouths and muzzles have been witnessed in African elephants, walruses, and mountain zebras. [3] Primates also engage in kissing that is incredibly similar to human display of kissing.