Breast Flashcards
What do mammary glands do?
Produce and eject milk
Expand during pregnancy
What are myoepithelial cells?
Line outside of mammary glands
squeeze milk along a gland towards the nipple
ejected out of the nipple through tiny holes called nipple holes
What does the Areola do?
Produce lipoid fluid so the nipple doesn’t crack
Gives the baby a target food source
Smell that attracts babies
dark brown in pregnancy
What does the fat in breast do?
Support glandular structures
What are couplers ligaments used for?
support
What causes lactation?
Infant suckles on a mothers breast/ cries
Mechana receptors send a signal to the brain
Hypothalamus then sends oxytocin and prolactin inhibiting hormone
Prolactin stimulates milk production
Oxytocin stimulates milk release
What causes breast development?
Release of oestrogen and progesterone
Pregnancy causes final maturation
What is poland syndrome?
Underdevelopment or absence of chest muscle
Where is the breast located?
between the 2nd and 6th rib
Sternal edge to anterior axillary line
15-20 lobes
supported by coopers suspensory ligaments
What is the blood supply to the breast?
External and internal mammary artery
Intercostal arteries
What are the odds of a woman getting breast cancer?
1/8
Who is less likely to get breast cancer?
Men
Women under 30
What are the risk factors of breast cancer?
women, age, family history, genetics, alcohol, obesity, radiation, high socioeconomic class, previous cancer
How can you decrease your risk of breast cancer?
First pregnancy before 30
breast feed
exercise
healthy organic diet
How can breast cancer be removed?
Surgery- wide local excision, mastectomy, Sentinal lymph node biopsy, Axillary dissection
Adjuvant- Chemotherapy, hormonal therapy, DXT
