Chapter 17-20 outline Flashcards
Breast tissue extends from the (blank) ribs to the (blank) ribs.
2 to 6
The breast tissue begins at what margin to what line?
sternal margin to the midaxillary line
What is the breast composed of?
glandular and fibrous tissue, subcutatneous and retromammary fat
Breasts are divided into how many segments?
5 segments, 4 quadrants and a tail of Spence.
What lymphatics drain skin? what drain mammary lobules?
superficialdeep
(blank) nodes are more superficial and accessible to palpation when enlarged.
axillary
What is the start of breast development called?
thelarche
What is an early sign of puberty?
thelarche
(blank) is a scale of physical development in children, adolescents and adults. The scale defines physical measurements of development based on external primary and secondary sex characteristics, such as the size of the breasts, genitalia, testicular volume and development of pubic and axillary hair.
Tanner’s 5 stages
In pregnant women. what proliferates and increase extensively in size and number causing breasts of enlarged size?
lactiferous ducts and alveoli
mammary tissue is in direct contact with the (blank) lymph node
axillary
When will areolae become more deeply pigemented and diameter increase. Nipples are more prominent, darker and erectile.
pregnancy
When will mammary vascularization increase?
pregnant women
Small amounts of (blank) are secreted after delivery.
colostrums (first milk)
When does milk production begin?
2-4 days after delivery
Breasts become full and dense as (blank) fills.
lactiferous ducts
Breast engorgement can result from what?
milk production, tissue edema, and delay in effective ejection
When does glandular tissue atrophy gradually and get replaced by fat?
after menopause
When does relaxation of suspensory ligaments occur and tissue changes cause breasts to hang more loosely?
In older adults after menopause
Where does scapular, brachial, intermediate nodes toward axiallary nodes drain from?
superficial upper outer quadrant
Where does internal mammary chain toward opposite breast and abdomen drain from?
superficial medial portion
The deep upper arm of the breast drain to which nodes?
lateral axillary nodes (brachial)
The retroareolar are of the breast drains to which nodes?
interpectoral nodes into the axillary chain (rotter)
The areola and nipple drain to which nodes?
midaxillary, infraclavicular, and supraclavicular nodes