Osteology Upper Extremity

Front 1

scapular notch

Back 1

a notch on the superior border of the scapula located medial to the attachment of the coracoid process

Front 2

acromion

Back 2

a broad, flat process located at the lateral end of the scapular spine; it articulates with the clavicle

Front 3

supraspinatus fossa

Back 3

a broad depression located superior to the spine of the scapula

Front 4

humerous

Back 4

the bone of the arm (brachium)

Front 5

head of humerous

Back 5

the smooth, rounded proximal end of the ulna

Front 6

greater tubercle

Back 6

the large projection located lateral to the head of the humerus

Front 7

lesser tubercle

Back 7

the projection located lateral to the head of the humerus on the anterior surface

Front 8

lateral epicondyle

Back 8

a knob-like projection on the lateral side of the humerus proximal to the capitulum

Front 9

medial epicondyle

Back 9

a knob-like projection on the medial side of the humerus proximal to the trochlea

Front 10

capitulum

Back 10

the part of the distal condyle of the humerus that articulates with the radius

Front 11

trochlea

Back 11

the articular surface on the medial condyle of the humerus that articulates with the ulna

Front 12

olecranon fossa

Back 12

the fossa at the distal end of the humerus into which the olecranon fits when the arm is in full extension

Front 13

coronoid process

Back 13

a flared process of the lower anterior part of the upper articular surface of the ulna fitting into the coronoid fossa when the arm is flexed

Front 14

olecranon process

Back 14

the large process of the ulna that projects behind the elbow joint, forms the bony prominence of the elbow, and receives the insertion of the triceps muscle

Front 15

radial notch

Back 15

where the proximal end of the radius articulates with the ulna

Front 16

styloid process (ulna)

Back 16

an eminence on the distal extremity of the ulna projecting from the medial and posterior part of the bone and giving attachment to a ligament of the wrist joint

Front 17

styloid process (radius)

Back 17

a conical prolongation of the lateral surface of the distal extremity of the radius that gives attachment to several tendons and ligaments

Front 18

radial tuberosity

Back 18

eminense beneath the neck, on the medial side of the radius; its surface is divided into a posterior, rough portion, for the insertion of the tendon of the Biceps brachii

Front 19

carpal tunnel

Back 19

a passage between the flexor retinaculum of the hand and the carpal bones that is sometimes a site of compression of the median nerve .

Front 20

axilla

Back 20

the cavity beneath the junction of the arm or anterior appendage and shoulder or pectoral girdle containing the axillary artery and vein

Front 21

thenar eminence

Back 21

the ball of the thumb

Front 22

hypothenar eminence

Back 22

the prominent part of the palm of the hand above the base of the little finger

Front 23

palmar aponeurosis

Back 23

an aponeurosis of the palm of the hand that consists of a superficial longitudinal layer continuous with the tendon of the palmaris longus and of a deeper transverse layer

Front 24

infraspinous foss

Back 24

Beneath the neck, on the medial side, is an eminence, the radial tuberosity; its surface is divided into a posterior, rough portion, for the insertion of the tendon of the Biceps brachii,

Front 25

subscapular fossa

Back 25

the concave depression of the anterior surface of the scapul

Front 26

coracoid process

Back 26

a process of the scapula in most mammals representing the remnant of the coracoid bone of lower vertebrates that has become fused with the scapula and in humans is situated on its superior border and serves for the attachment of various muscles

Front 27

infraglenoid tubercle

Back 27

located at the bottom of the glenoid fossa

Front 28

supraglenoid

Back 28

located at the top of the glenoid fossa

Front 29

glenoid fossa

Back 29

the shallow cavity of the upper part of the scapula by which the humerus articulates with the pectoral girdle

Front 30

sternal end

Back 30

blunt end of the clavicle that articulates with the manubrium

Front 31

acromial end

Back 31

flat/bladelike end of the clavicle that articulates with the acromium process

Front 32

intertubercular (bicipital) groove

Back 32

a furrow on the upper part of the humerus occupied by the long head of the biceps

Front 33

deltoid tuberosity

Back 33

rough triangular bump on the outer side of the middle of the humerus that is the site of insertion of the deltoid

Front 34

sternoclavicular

Back 34

of, relating to, or being articulation of the sternum and the clavicl

Front 35

acromioclavicular

Back 35

relating to, being, or affecting the joint connecting the acromion and the clavicle

Front 36

glenohumeral

Back 36

of, relating to, or connecting the glenoid cavity and the humerus

Front 37

interosseous membrane

Back 37

either of two thin strong sheets of fibrous tissue a : one extending between and connecting the shafts of the radius and ulna b : one extending between and connecting the shafts of the tibia and fibula

Front 38

radioulnar

Back 38

of, relating to, or connecting the radius and ulna

Front 39

radiocarpal

Back 39

of, relating to, or connecting the radius and carpals

Front 40

carpometacarpal

Back 40

of, relating to, or connecting the carpals and metacarpals

Front 41

metacarpophalangeal

Back 41

of, relating to, or connecting the metacarpals and phalanges

Front 42

interphalangeal

Back 42

situated or occurring between phalanges <an joint> : also : of or relating to an interphalangeal joint

Front 43

intercarpal

Back 43

situated between, occurring between, or connecting carpal bones