LECTURE 3 breast, mammary glands, surface anatomy Flashcards Preview

anatomy lecture exam 1 > LECTURE 3 breast, mammary glands, surface anatomy > Flashcards

Flashcards in LECTURE 3 breast, mammary glands, surface anatomy Deck (11):
1

location of the female breast

deep to skin, superficial to thoracic cavity; superior border: 2nd rib, inferior border: 6th rib, medial border: sternum, lateral border: midaxillary line

2

location of male nipple

fourth intercostal space, midclavicular line

3

underlying muscle of breast

pectoralis major and minor, part of serratus anterior, external obliques

4

arteries of breast

lateral thoracic artery, branches of internal thoracic artery, posterior intercostals

5

veins of breast

intercostal, internal thoracic, axiallary

6

innervation of breast

branches of intercostal nerve

7

lobes of breast (mammary glands)

15-25 lobes (each a compound alveolar gland), lobes separated by adipose tissue and suspended by connective tissue (suspensory ligaments of the breast)

8

lactiferous glands (mammary glands)

acini/alveoli linked with milk-secreting simple cuboidal epithelium, directed towards lactiferous sinuses, latiferous ducts of lobes open at nipples

9

areola-ring of pigmented skin around nipple

sebaceous gland produce sebum during nursing, smooth muscle present to make nipple erect

10

anterior surface of thorax

palpate: sternum (3 parts), jugular notch, sternal angle (2nd rib), clavicle, costal margin, xiphosternal joint; midclavicular line; midaxillary line

11

posterior surface of thorax

palpate: spinous process of c7, scapula (ribs 2-7): scapular spine, acromion process, inferior angle of spine, inferior border