Breast Pt 1 Anatomy/Directions

where is the "modified sweat gland" (breast) located?

in the superficial fascia of the anterior chest wall

what surrounds the terminal ductal lobular units (TDLUs)

both loose and dense connective tissue

what are the boundaries of the breast?

skin line, nipple, and retromammary layer

Where is the lactiferous duct located?

in the mammary glandular layer

what connective tissue structure is found in the mammary layer

coopers ligaments

what structures make up the mammary gland layer

-15-20 lobes

-lactiferous ducts

-fatty tissue between lobes

-coopers ligaments

-TDLU's

what two layers does the mammary layer lie between?

- subcutaneous fatty layer (anteriorly)

- retromammary layer (posteriorly)

where is the retromammary layer located?

between the mammary layer and the chest wall

what structures lie posterior to the retromammary layer

-pectoralis major

-pectoralis minor

-ribs

-muscle

Where are the lactiferous sinuses located?

beneath the areola opening onto the nipple

what is each terminal ductal lobular unit (TDLU) composed of?

branched turbuloalveolar glands, organized into lobes

anatomy of breast's; superficial -> deep

-subcutaneous

-mammary

-retromammary