breast Flashcards
breasts cover which ribs ?
2-6
breasts sit on top of deep fascia that covers?
pec major and serratus anterior
blood supply of breast?
branches of internal thoracic and lateral thoracic
the medial mammary branches are branches from?
internal thoracic
lateral thoracic comes off?
subclavian
where will majority of lymph drain from breast?
ipsilateral axillary node then to supraclavicular nodes, then to thoracic duct
about a quarter of lymph does not drain this way and drains to?
♣ Parasternal nodes.
♣ Abdominal nodes.
♣ Nodes of the contralateral breast.
o Are the functional unit of breast tissue and are the site of milk production?
lobules
Each lobule is composed of ?
o a secretory acini, which produces milk in response to prolactin.
The acini connect to the nipples via
a series of ducts
The largest of these ducts is the
lactiferous duct
which duct connects to the nipple surface?
the lactiferous duct
Just below the nipple there is an expansion of the lactiferous ducts called the
lactiferous sinus
a site of storage for milk.?
lactiferous sinus
what type of cells is the nipple composed of ?
highly pigmented keratinised epithelium