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Eutheria (from Greek εὐ-, eú-'good, right' and θηρίον, thēríon 'beast'; lit. ' true beasts '), also called Pan-Placentalia, is the clade consisting of placentals and all therian mammals that are more closely related to placentals than to marsupials.
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 primary function of the breasts, as mammary glands, is the nourishing of an infant with breast milk. Milk is produced in milk-secreting cells in the alveoli. When the breasts are stimulated by the suckling of her baby, the mother's brain secretes oxytocin. High levels of oxytocin trigger the contraction of muscle cells surrounding the ...
The breasts are not part of the reproductive system, but mammary glands were essential to nourishing infants until the modern advent of infant formula. Later in life, a woman goes through menopause and menstruation halts. The ovaries stop releasing eggs and the uterus stops preparing for pregnancy.
The visible portion of eutherian mammalian genitals for males consists of the penis and scrotum; for females, it consists of the vulva. In placental mammals, females have two genital orifices, the vaginal and urethral openings, while males have one genital orifice in the penis where urine and semen exit the urethra during urination and ...
One important type of parental care is the use of the mammary glands in the female breasts to nurse the baby. [4] The female reproductive system has two functions: The first is to produce egg cells, and the second is to protect and nourish the offspring until birth. The male reproductive system has one function, and it is to produce and deposit ...
A conservative research group has compiled a list of 20 “woke" senior officers they want Pete Hegseth to fire should he be confirmed to lead the Pentagon.
Littré's glands, Morgagni's glands spongy portion of the urethra: mucous racemose 20 Lumbar glands: abdomen, near the back 21 Mammary gland: breast: milk: compound tubulo-acinar 22 Meibomian gland: eyelids: sebaceous 23 Moll's glands: eyelids: sebum 24 Montgomery's glands: mammary areola: sebaceous 25 Naboth's glands cervix and os uteri: mucous 26