The Breast Flashcards
The mammary glands are modified sweat glands. T/F?
True
How many lactiferous ducts are present in each breast?
15-20
What is the name of the dilatation of the lactiferous duct just before the nipple?
Lactoferous sinus
The lobes of the breast are embedded in a mass of adipose tissue and connective fibres. T/F?
True
What is the name of the pigmented circular area surrounding the nipple?
Areola
The main ducts of the breast branch repeatedly to forma number of terminal ducts which lead to…?
Alveoli
What are the names of the ligaments that are continuous with the dermis and support the breast?
Suspensory ligaments
The breasts lie on the deep fascia above which muscle?
Pectoralis major
Where does the base of each breast attach to?
Ribs II to VI, the sternum and as far laterally as the midaxillary line
What blood vessels supply the breast?
Superior thoracic artery Thoracoacromial artery Lateral thoracic artery Subscapular artery Internal thoracic artery
Where to the veins supplying the breast drain to?
Axillary, intercostal and internal thoracic veins
What nerve innervates the nipple?
Fourth intercostal nerve
Most of the lymph in the breast drains laterally and superiorly to which nodes?
Axillary nodes
