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Practical Set 2

Appendicular Skeleton

pectoral girdle 2 pectoral girdles, each attaches an upper limb to the axial skeleton- composed of a scapula and a clavical
clavicle collar bone
sternal end of clavicle blunt, medial end
acromial end of clavicle broader, flat, roughened, lateral end
scapula shoulder blade
spine of scapula sharp ridge located on posterior side
acromion of scapula flattened process at lateral end of spine
glenoid cavity of scapula depression inferior to acromion
coracoid process of scapula superior and medial to glenoid cavity; projects anteriorly
supraspinous fossa of scapula depression superior to spine
infraspinous fossa of scapula depression inferior to spine
subscapular fossa of scapula depression on anterior surface of scapula
later or axillary border of scapula margin near axilla
medial of vertebral border of scapula margin near vertebral column
humerus arm bone
head of humerus rounded, proximal end
anatomical neck of humerus constriction immediately distal to head
greater tubercle of h lateral projection distal to anatomical neck
lesser tubercle of h smaller, anterior projection distal to anatomical neck
intertubercular sulcus of h groove between the two tubercles
surgical neck of h constriction distal to the tubercles
deltoid tuberosity of h raised area on lateral side between the proximal and distal ends of humerus
trochlea of h spool-shaped medial condyle on distal end
capitulum of h rounded, knob-like condyle lateral to trochlea
medial epicondyle of h rough projection above trochlea
lateral epicondyle of h rough projection above capitulum; smaller than medial epicondyle
radial fossa of h anterior depression that receives the radial head with flexed forearm
coronoid fossa of h shallow anterior depression on distal end
olecranon fossa of h largest depression on posterior, distal end
ulna medial bone of forearm
olecranon of u large, curved, lip-like projection on posterior side of proximal end
coronoid process of u smaller, curved, lip-like projection on anterior side of proximal end; distal to olecranon
trochlear notch of u deep, curved area between olecranon and coronoid process
styloid process of u slender, pointed projection on distal end
radial notch of u depression on proximal end where head of radium articulates with ulna
radius lateral bone of forearm
head of r flat, disc-shaped proximal end
radial tuberosity rough, anterior projection on medial side just distal to the head
styloid process of r slender, pointed projection; distal end
shoulder joint connects the upper limb to the pectoral girdle is formed by the head of the humerus articulating with the glenoid cavity of the scapula
elbow joint formed by the articulation of the coronoid process and olecranon process of the ulna into the coronoid and olecranon fossae of the humerus and the trochlea of the humerus with the trochlear notch of the ulna
carpal bones carpus is composed of 8 short bones of the wrist, they are lined up from proximal to distal row of bones, articulate with the radius but not the ulna
metacarpal bones make up the palm of the hand number I-V starting with the thumb
phalanges numbered I to V from thumb proximal, middle, and distal phalanges
pelvic girdle composed of 2 hip bones called ossa coxae that attach the lower limb to the axial skeleton
os coxa formed by the fusion of 3 separate bones, the illium, ishium, and pubis
ilium largest and most superior of the three components of ox coxa
iliac crest superior border or ilium
ischium inferior, posterior portion of os coxa
ischial tuberosity large, roughened projection on posterior and inferior edge
lesser sciatic notch smaller indentation between ischial spine and ischial tuberosity
pubis anterior inferior portion of os coxa
pubic symphysis joint where the two pubic bones join anteriorly
acetabulum deep indentation, or cup, for head of the femur
obturator foramen largest foramen in the skeleton
femur thigh bone
head of f large, rounded, knob-like proximal end
neck of f narrower, constriction distal to head
greater trochanter of f large and roughened superior projection; lateral to neck
lesser trochanter of f smaller, posterior-medial prominence distal to greater trochanter
medial condyle of f rounded, medial process on posterior side of distal end
lateral condyle of f similar to medial condyle on lateral side
intercondylar fossa of f deep fossa between medial and lateral condyles
medial epicondyle of f bump-like projection superior to medial condyle
lateral epicondyle of f bump-like projection superior to lateral condyle; a little smaller
gluteal tuberosity of f posterior surface of body of femur, roughened projection inferior to lesser trochanter
linea aspera of f vertical ridge on posterior surface
patella kneecap
tibia leg bone
medial condyle of t flattened, expanded medial projection on proximal end
lateral condyle of t similar to medial condyle on lateral side
tibial tuberosity of t large, roughened projection on anterior sufrace, inferior to condyles
anterior border (crest) of t slender ridge on anterior surface, shin
medial malleolus of t medial process on distal end, forms medial bump of ankle
fibula lateral leg bone
lateral malleoulus distal end and articulates with the talus laterally- forms lateral bump of ankle
head of fibula proximal end
hip or coxal joints formed y the acetabulum articulating with the head of the femur to form a ball-and-socket joint
knee joint formed by the articulation of the medial and lateral condyles of the femur with the medial and lateral condyles of the tibia
tarsus ankle
calcaneus heel bone
talus ankle bone- articulates with the medial malleolus of the tibia and lateral malleolus of the fibula
metatarsus composed of 5 metatarsal bones numbered I to V from the great toe
phalanges (toes) numbered I to V from great toe- proximal and distal digits I to V have 3 bones proximal, middle, and distal
Created by: jwilcox2