Breast Tissue Flashcards
what are three tissue types of the breast?
glandular
adipose
connective tissue
what do the glandular tissues of the breast empty into ?
lactiferus ducts
what do lactiferus ducts empty into?
lactiferus sinus
the mammary glands in the breast are suspended by what?
suspensory ligaments called logaments of cooper
what is the epithelium of the resting mammary glands?
stratified cuboidal epithelium
what separates the epithelium of the mammary glands from the surrounding stroma?
basal lamina
mixed in with the epithelium of the mammary glands is what cell type?
myoepithelium cells
what two muscles does the breast lay on top of?
pec major and serratus anterior
what separates breast tissue from the muscles under?
retromammary space
what is the retromammary space made of?
connective tissue
what three vessels serve the breast?
intercostals
internal thoracic
axillary artery
what two nerve sets supply the bereats?
intercostal nerves and parts of the cervical plexus
what nodes do most of breast drain into?
axillary nodes
medial breast tissue drains into what nodes?
parasternal nodes
lymph from inferior breast can go into what nodes?
abdominal nodes
name the five divisions of the axillary nodes
pectoral humeral subscapular central apical
which of the five axillary node divisions receives most of lymph from breast/
pectoral
what are the three levels of nodal involvement of breast cancer?
level 1,2,3
where is level 1 breast nodal involvement?
lateral to pec minor
where is level 2 breast nodal involvement?
at pec minor
where is level 3 breast nodal involvement?
medial to pec minor
what level of nodAL involvement is worst?
level 3
active mammary glands are enlarged due to what?
development of alveoli
what cells line the alveoli of active mammary glands?
alveolar or secretory cells
