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Male breasts are sometimes referred to in the singular to mean the collective upper chest area, [a] whereas female breasts are referred to in the plural unless speaking of a specific left or right breast. A large number of colloquial terms for female breasts are used in English, ranging from fairly polite terms to vulgar or slang.
Male and female breasts, nipples and areolas develop similarly in the fetus and during infancy. At puberty, the male's breasts remain rudimentary but the female's develop further, mainly due to the presence of estrogen and progesterone. [2] Smaller female breasts, however, are more sensitive than larger ones. [2]
The cultural tendency to hide the female nipple under clothing has existed in Western culture since the 1800s. [4] [5] [42] As female nipples are often perceived an intimate part, covering them might have originated under Victorian morality as with riding side saddle. Exposing the entire breast and nipple is a form of protest for some and a ...
Breast development, also known as mammogenesis, is a complex biological process in primates that takes place throughout a female's life. It occurs across several phases, including prenatal development, puberty, and pregnancy. At menopause, breast development ceases and the breasts atrophy.
The majority of breast diseases either originate from lactiferous ducts or are closely related. The high susceptibility to benign and malignant diseases is in part a consequence of the cycling hormonal growth stimulation resulting in a high cell turnover and accumulation of defects and complicated hormonal equilibrium which is highly sensitive ...
During the female sex flush, pinkish spots develop under the breasts, then spread to the breasts, torso, face, hands, soles of the feet, and possibly over the entire body. [1] Vasocongestion is also responsible for the darkening of the clitoris and the walls of the vagina during sexual arousal.
Women with dense breasts have a higher risk of developing breast cancer than women who don't have dense breasts, Litvack says. Density can also vary over a woman's lifetime, mostly due to hormonal ...
Newborn infants often produce some milk from their own breast tissue, known colloquially as witch's milk. In most species, lactation is a sign that the female has been pregnant at some point in her life, although in humans and goats, it can happen without pregnancy.