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At the ends of the ducts are lobules, or clusters of alveoli, where milk is produced and stored in response to hormonal signals.During pregnancy, the breast responds to a complex interaction of hormones, including estrogens, progesterone, and prolactin, that mediate the completion of its development, namely lobuloalveolar maturation, in preparation of lactation and breastfeeding.Set up the camera in my room before leaving so I can play with him and watch him snooze on my bed.Both females and males develop breasts from the same embryological tissues.The dimensions and weight of the breast vary widely among women.A small-to-medium-sized breast weighs 500 grams (1.1 pounds) or less, and a large breast can weigh approximately 750 to 1,000 grams (1.7 to 2.2 pounds) or more.
During a woman's life, her breasts change size, shape, and weight due to hormonal changes during puberty, the menstrual cycle, pregnancy, breastfeeding, and menopause.
At puberty, estrogens, in conjunction with growth hormone, cause breast development in females.
Subcutaneous fat covers and envelops a network of ducts that converge on the nipple, and these tissues give the breast its size and shape.
The superficial tissue layer (superficial fascia) is separated from the skin by 0.5–2.5 cm of subcutaneous fat (adipose tissue).
The suspensory Cooper's ligaments are fibrous-tissue prolongations that radiate from the superficial fascia to the skin envelope.
Along with their major function in providing nutrition for infants, female breasts have social and sexual characteristics.