#1 How many lobes has the breast ?
It has 15 to 20 lobes
#2. What is Cooper suspensory ligaments ?
It is a fibrous bands of connective tissue that travel through the breast, and inserting perpendicularly into the dermis of the breast
#3. What is the function of Cooper ligament ?
It provides structural support to the breast
#4. What are the boundaries of the mature female breast ?
Cranio-caudally – 2nd or 3rd rib to the inframammary fold at the 6th or 7th rib
Tranversely – Lateral border of the sternum to the anterior axillary line
Posteriorly – Fascia of the pectoralis major, serratus anterior, external oblique abdominal muscles, and the upper extent of the rectus sheath
#5 Where do you find the retromammary bursa ?
Posterior aspect of the breast between the investing fascia of the breast and the fascia of the pectoralis major muscles
#6 What is the extent of the axillary tail of Spence ?
Laterally across the anterior axillary fold
#7 Which changes occur in the breast during pregnancy ?
It undergoes both proliferative and developmental maturation
It enlarges in response to hormonal stimulation
Lymphocytes, plasma cells, and eosinophils accumulate within the connective tissues
Development of the minor ducts branch and alveoli occurs
#8 What breast changes occur during birth ?
Breast enlargement via hypertrophy of alveolar epithelium
Accumulation of secretory products in the lumina of the minor ducts
#9 Which organelles is most abundant in the breast during birth
#10 What are the products of breast alveolar epithelium:
Protein component of milk
Lipid component of milk -free lipid droplets