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40 Cards in this Set
- Front
- Back
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production of a fluid by the mammary gland to feed the offspring
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lactation
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requirements for lactation
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intact mammary gland,
initiation and maitenance, of milk secretion, and ejection of milk |
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when maternal diet is inadequate, what is considered
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the quality of milk is preserved over the quantity for the majority of nutrients
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maternal diet does not alter the following in milk
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protein, CHO, fat, major minerals
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maternal diet does effect the following
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fatty acid profile, some vitamins and trace minerals
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what affects the community breath feeding rates
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health care policies and procedures, and the knowledge and attitudes of health care providers
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mammary gland consists of
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glandular epithelium, ducts, connective tissue, and fat
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breast development in childhood is considered
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the quiescent period of mammary growth and activity
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which period of breast development is in response to estrogen
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adolescence
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what happens during adolescence breast development
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glandular tissue proliferates, ducts elongate, growth of fibrous and fatty tissue, and pigmentation of aerola and nipple
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when is breast maturation occur
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12-18 months after first menstrual period and continues during child bearing years
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how does a mature breast weigh
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200 gm (1/2 lb)
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for breast development during pregnancy, what secretes hormones that contribute to growth of mammary gland
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placenta
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what happens during the 1st trimester
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proliferation of cells
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what happens during the 2nd trimester
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large lobules form which are clusters of secretory cells, ducts begin to dilate
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what happens during the 3rd trimester
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final preparation for lactation
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what happens during the antepartum period of breast development
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additional proliferation in response to prolactin, induction of enzymes in alveoli
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how much does the breast weigh in the antepartum period
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400-600 gm and can double/triple during pregnancy
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iniation and maitenance involves
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the nervous system and hormones especially prolactin
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when does secretion of colustrum by breast occur
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day 0-3 of lactation
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when does the rapid increase milk secretion occur
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day 4 of lactation
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when is lactation well established
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end of week 1 - multiparas
end of week 2 - primiparas |
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what is primiparas
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woman with first child
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general activity of lactation
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colostrum for 2-3 days postpartum, the milk production, and most synthesis occurs during suckling
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what stimulates milk production
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prolactin
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what maintains milk secretion
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pituitary hormonal factors
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what inhibits milk production
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estrogen
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what is milk ejection called
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"let down reflex"
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what promotes oxytocin secretion
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suckling
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what is the let down reflex influenced by
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physiolocial factors, lack of stress is very important
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duration of lactation depends on
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continued suckling stimulation
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where does the synthesis of FA and triglycerides occur
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in the SER
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how do milk components enter ductules
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by apocrine secretion
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where does the synthesis of milk proteins occur
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in the SER
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major milk proteins
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casein and lactalbumin
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what are the two major milk proteins released by
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gogli apparatus and apocrine secretion
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what is the predominant CHO
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lactose
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where is lactose released
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into the ducts by apocrine secretion
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what must come down before successful lactation
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estrogen
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classification of mammalian milk is based on
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composition and relation between mother and child
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