021815 breast vm

Question 1

what occurs during puberty w/ respect to breast changes

Answer 1

deposition of adipose tissue in female breasts

branching of ducts and formation of lobules

Question 2

in sexually mature woman, what type of epithelium is adjacent to lumen in the ducts and ductules of the breast?

Answer 2

simple cuboidal

Question 3

when do the clear cells/myoepithelial cells have really flat nuclei

Answer 3

during pregnancy

Question 4

in pregnancy, breast pathology?

Answer 4

• amt of connective tissue btwn lobules is reduced
• numerous, well-developed terminal ductules
• intralobular connec tis is mostly cellular rather than fibrous and includes plasma cells, lymphocytes, eosinophils
• epithelial cells have hypertrophied

Question 5

in lactating breasts, histology?

Answer 5

• interlobular connec tis is less abundant and more compressed than in section of inactive mammary gland
• intralobular connec tis is also less abundant