по marcela rodriguez 2 лет назад
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They are supported by ligaments called Cooper's ligaments
In infancy the secretory tissue is drained by middle a ductal system which stores the milk.
The lobes end through a tubular system in the galactophore ducts that discharge at the level of the nipple.
epithelial tissue lines the inside of the ducts galactophores
the mammary line at seven weeks of gestation extend to both sides of the body
Between 5th and 6th month their training begins
It occurs in both sexes
It goes from the axillary region to the inguinal region.
It is called the mammary ridge.
Form 8 aligned mammary foci sequentially, called milk line
The 4th focus will be the adult breast as it evolves the rest of the foci will atrophy
Towards the end of intrauterine life, the shoots epithelial cells canalize and form milk ducts
are distributed like the petals of a daisy
Each lobe has many smaller lobules that end in tiny bulbs that produce milk.
The lobes, lobules and bulbs are joined by fine ducts called pipelines.
These ducts lead to the nipple
Fat fills in the gaps between the lobes and the ducts.
Each breast also contains vessels blood vessels and vessels that carry lymph
lymphatic vessels lead to organs small denominated lymph nodes
they are clusters that meet in many other parts of the body.
Located in the center of a dark area of skin called areola.
