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Lab 5
Vertebral Column & Upper Extremities
Question | Answer |
---|---|
vertebrae | bones of vertebral column |
intervertebral discs | cushion vertebrae and absorb shocks |
vertebral column | body's axial support |
body (centrum) | rounded central part of vertebra |
vertebral arch | composed of pedicles, laminae, and a spinous process |
pedicles | footlike parts of vertebra |
laminae | part of vertebral arch |
vertebral foramen | opening of vertebra |
transverse process | lateral projections from vertebra |
spinous process | single medial and posterior projection from vertebral arch |
superior and inferior articular processes | paired projections lateral to vertebral foramen |
cervical vertebrae | 7 bones of neck |
atlas | c1 |
axis | c2 |
odontoid process (dens) | vertical process on axis |
transverse foramen | only on cervical vertebrae |
thoracic vertebrae | second 12 vertebrae |
costal facets | side of thoracic vertebrae to receive ribs |
lumbar vertebrae | 5 large vertebrae in lower spine |
sacrum | 5 fused bones |
coccyx | tailbone |
bony thorax | sternum, ribs and thoracic vertebrae |
sternum | breastbone |
manubrium | top of sternum |
sternum body | bulk of sternum |
xiphoid process | inferior end of sternum |
jugular notch | top part of sternum |
sternal angle | line between manubrium and body on sternum |
xiphisternal joint | point where sternum and xiphoid process fuse |
ribs | 12 pairs form walls of bony thorax |
true ribs | first 7 |
false ribs | next 5 ribs |
floating ribs | 2 pairs of ribs that don't attach to sternum |
vertebrochondral ribs | 3 false ribs connected to costal cartilage |
costal cartilage | bars of hyaline cartilage supporting ribs |
pectoral girdle | clavicle and scapula |
clavicle | collarbone |
scapulae | shoulder blades |
spine | sticks out from scapula |
acromion | shoulder |
coracoid process | beaklike part of scapula |
superior border | thin border on top of scapula |
medial border | border on medial side of scapula |
lateral border | border on lateral side of scapula |
subscapular fossa | nerve passageway |
supraspinous fossa | smaller and on humeral end |
infraspinous fossa | large fossa on scapula |
glenoid cavity | shallow socket for humerus |
humerus | upper arm bone |
head of humerus | fits into glenoid cavity of scapula |
anatomic neck | promixal end of humerus |
surgical neck | inferior to anatomic neck |
greater tubercle | large groove on humerus |
lesser tubercle | smaller groove on humerus |
deltoid tuberosity | where deltoid attaches to humerus |
tochlea | distal end of humerus that looks like a spool |
capitulum | distal end of humerus that articulates with radius |
medial epicondyle | pointy part on distal end of humerus |
lateral epicondyle | pointy part on distal and lateral end of humerus |
coronoid fossa | notch above trochlea on anterior surface of humerus |
olecranon fossa | posterior surface hole on humerus |
radius | connects at thumb |
head of radius | hockey puck head |
neck of radius | distal to head |
styloid process | pointy ends of radius and ulna |
ulna | u-shaped bone |
coronoid process | anterior proximal bump on ulna |
olecranon process | large bump on proximal ulna |
trochlear notch | separates coronoid and olecranon process on ulna |
radial notch | on ulna |
head of ulna | on distal end |
carpal bones | bones of wrist |
scaphoid | first carpal |
lunate | second carpal |
triquetrum | third carpal |
pisiform | fourth carpal |
trapezium | fifth carpal |
trapezoid | sixth carpal |
capitate | seventh carpal |
hamate | eighth carpal |
metacarpal bones | bones of hand |
phalanges | bones of fingers |