Normal breast anatomy Flashcards
How are breasts present in males?
rudimentary form
What are the breasts?
highly modified sweat glands which are a 2nd sexual characteristic of females
What factors affect breast size?
genetic, racial and diet
axillary tail
part of breast extending towards axillary fossa
What fascia does the breast lie on?
deep pectoral
Function of rectomammary space
some degree of movement
What attaches breast to dermis
suspensory ligament of cooper
nipple
prominence of breast
areola
pigmented area around the nipple
How many lobules does each breast contain?
15-20
What drains each lobule?
lactiferous duct
Where do the lactiferous ducts open?
independently on the nipple
Dilated portion of lactiferous duct
lactiferous sinus
surface landmark of nipple
variable - 4th intercostal space
Role of sebaceous glands in nipple and areola epithelium
protective lubricant
4 quadrants of breast
superolateral and superomedial
inferolateral and inferomedial