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Unformatted text preview: ame rate as rest of body. Duct system develops No alveolar units, internal mass of the gland
consists of the fat pad STAGES OF MAMMARY GLAND
(b) Puberty Accelerated allometric growth i.e. growing
faster than rest of body. Ducts begin to branch and invade the fat pad
(under influence of estrogen from ovary). Fat pad still predominates. Breast Responds to Hormones
Puberty - Female
Nipple Ducts Estrogen – Causes ducts to grow Breast Responds to Hormones
Puberty Estrogen and Progesterone
- Causes development of TDLU – terminal ductule
- Responsible for milk secretion Puberty
Puberty Breast consists of
many ducts with
radiate out from
the duct like a
This allows the
lobules to expand
and STAGES OF MAMMARY GLAND
Prominent alveolar units Full duct development (estrogen and
progesterone from placenta) Vascular system fully developed (d) Lactation Prolactin from anterior pituitary promotes
lactogenesis. Gradually a net loss of secretory...
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This note was uploaded on 10/21/2013 for the course ANIMAL SCI 101 taught by Professor Dr.sharma during the Fall '12 term at Rutgers.
- Fall '12