PECTORAL GIRDLE AND UPPER LIMB

radius head

A round, articular structure on the proximal end of the radius.

capitilum

Lateral to the trochlea, articulates with the head of the radius to form the humeroradial joint

Trochlea

a smooth, grooved articular process shaped like a pulley

coronoid fossa

anterior depression that receives the coronoid process of the ulna during forearm flexion

Metacarpals

bones of the hand

head

bony expansion carried on a narrow neck, articulates with the head of the humerous

Clavicle

collar bone

Pectoral girdle also

consists of 2 clavicles and 2 scapulae

acromion process

extension of the scapula, which forms the high point of the shoulder

radial tuberosity

insertion of biceps brachii

ulna head

knob-shaped; articulates with a notch on the radius and a wrist bone

olecranon fossa

located on the posterior side of the distal end of the humerus superior to the trochlea and articulates with the olecranon process of the ulna

olecranon process

projection at the upper end of the ulna that forms the bony point of the elbow

Phalanges

proximal, middle, distal

carpal bones

scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate

Scapula

shoulder blade

glenoid cavity

socket in scapular that receives head of humerus

pectoral girdle

the pectoral girdles attach the bones of the upper extremities to the axial skeleton.

coronoid process

triangular eminence projecting forward from the upper and front part of the ulna.

Humerous

upper arm bone