Exam 2 - Chpt 17 Flashcards
paired mammary glands located on the anterior chest wall
breast
circular pigmented field of wrinkled skin
areola
areola is speckled with tiny sebaceous glands known as
Montgomery’s glands or Montgomery’s tubercles
breast tissue extends superolaterally into the
axilla as the axillary tail
tail of Spence
what are breast composed of
glandular tissue
fibrous tissue
adipose tissue
how many lobes of glandular tissue per breast
15-20
radiate from the nipple
each glandular tissue lobe contains __ to __ lobules that contain acini cells
20-40
glandular tissue that produces milk
acini cells
carries milk from each lobe to the nipple
lactiferous ducts
extend from the connective tissue layer, through the breast, and attach to the fascia underlying the breast
Suspensory ligaments aka Cooper’s ligaments
components that affect breasts
age weight genetics general health menstrual cycle pregnancy lactation
this extends from each axilla to the groin
mammary ridge aka milk line
what may be present along the milk line
supernumerary nipples or breast tissue
2 major muscles of the chest wall
pectoralis major
serratus anterior muscles
function of the chest wall muscles
support breast and lymphatic tissue
overall contour of breasts is determined by ___ ___
suspensory ligaments
yearly mammograms should begin at which age for those at average risk for breast cancer
45 y/o
being aware of the appearance and feel of one’s own breasts
breast self-awareness
common reason women do not receive recommended breast cancer screenings
lack of access to care
ex: no regular healthcare, no insurance, lower socioeconomic status, lack of education
modifiable risk factors for breast cancer
alcohol intake (< 1/day)
high fat diet
lack of physical activity
obesity
breast cancer is more often Dx in which race
Caucasians, followed by African Americans
although Caucasians have the highest prevalence of breast cancer, which race is more likely to die from breast cancer more commonly seen if < 45 y/
African Americans
mastalgia
breast pain
often associated with menstrual cycle (cyclic)
precautions used for breast exam
standard
lactation not associated with childbearing
galactorrhea
breast enlargement in males
gynecomastia
position for male breast palpation exam
supine