IBCLC Questions And Answers A+

IBCLC Questions And Answers A+ Milk Lines - ANS-Two glandular tissue lines that extend from axilla to medial thigh; beginning of breast development. Become ridges that eventually become breasts, normally the remainder of the lines regress Witches Milk - ANS-resulting from maternal hormones that cross the placenta, newborn breasts can secrete a milk like substance following birth Thelarche - ANS-breast development Glandular tissue - ANS-Comprised of the lobes of the breast, average of 9 per breast Axillary tail - ANS-lobes that extend toward the axilla Alveolus - ANS-Functional unit that produces and stores milk. Found in grape-like clusters called lobules Lactocytes - ANS-Columnar secretory cells that line the alveolus. Synthesize milk Paracellular pathway - ANS-transport of molecules between the tight junction of cells. These are not closed tightly in the first few days following birth, allowing larger molecules in(sodium, chloride, medications etc). Therefore colostrum (and milk during mastitis and weaning) is saltier Myoepithelial cells - ANS-Muscle cells surrounding the alveolus. Respond to oxytocin by contracting and ejecting milk into lumen Montgomery's follicules/tubules - ANS