Lecture Exam 3 - Appendicular Skeleton

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pectoral girdle

the appendicular bones that support the arm bones

pelvic girdle

the appendicular bones that support the lower limb bones

clavicle

collarbone

acromion process

extension of the scapula that articulates with the clavicle

coracoid process

anterior, superior projection of the scapula that does not articulate with another bone, but serves as a point for muscles to attach to

glenoid cavity

the smooth depression in the lateral surface of the scapula that receives the head of the humerus to form the shoulder joint

humerus

brachial bone

greater tubercle

large process opposite the head of humerus

deltoid tuberosity

a small projection on the lateral surface of the humerus mid-way between the proximal and distal ends

capitulum

a round knob-like process on the lateral distal humerus; the radius articulates at this surface

trochlea

a spool-shaped structure on the humerus around which the ulna rotates

coronoid process

this is the name of a process on both the mandible and on the ulna

olecranon fossa

depression on the posterior surface of the humerus accepting projections from the proximal end of the ulna as the antebrachium extends

medial epicondyle

raised area on the distal and medial side of the humerus

lateral epicondyle

raised area next to the lateral condyle of the femur

radius

the lateral antebrachial bone

interosseous membrane

membrane between the tibia and fibula, and between the radius and ulna

styloid process

sharp projection from the distal medial end of the ulna

radial tuberosity

small projection that is medial and inferior to the neck of the radius; attachment site for biceps brachii muscle

ulna

the medial antebrachial bone

olecranon process

forms the bony prominence of the elbow

trochlear notch

half-moon indentation of the ulna; articulates with humerus

carpal bones

bones of the wrist

metacarpals

bone of the hand between the wrist and each finger

phalanges

finger and toe bones

os coxae

the ilium, ischium, and pubis fuse to form this pelvic bone; 2 of these join the sacrum and coccyx to form the bony pelvis

ilium

the superior fetal and childhood bone that fuses with two other early bones to form the os coxae

iliac crest

superior rim of the os coxae

ischium

inferior and posterior region of the os coxae - an individual bone throughout childhood that fuses with two others to form the os coxae in adults

ischial tuberosity

inferior blunt projection from ischium that hamstring muscles attach to - you sit on this

ischial spine

sharp posterior projection, superior to ischial tuberosity

greater sciatic notch

large indentation on the posterior aspect of the os coxae, between the posterior inferior spine and the ischial spine

pubis

the most anterior of the 3 childhood bones that fuse to form the os coxae

obturator foramen

the largest hole in your skeleton; located on the os coxae

acetabulum

the cup-shaped depression in the os coxae into which the head of the femur fits to form a ball-and-socket joint

false pelvis

portion of the pelvis found superior to the pelvic brim; that portion of the abdominal cavity partly protected by the ilium region of the ossa coxae

true pelvis

pelvic cavity found inferior to the pelvic brim; protects the bladder and some reproductive organs

femur

thigh bone

greater trochanter

the more superiorly located of the two large projections on the proximal end of the femur; used for muscle attachment

intercondylar fossa

a shallow depression between the condyles at the distal end of the femur

patella

largest sesamoid bone in the body

intercondylar emminence

projection between the condyles at the proximal end of the tibia, helps stabilize against side to to side movement

tibial tuberosity

bone region where the patellar ligament attaches to the tibia

medial malleolus

projection from the distal end of the tibia; easy to palpate just superior to the tarsus

lateral malleolus

projection from the distal end of the fibula; easy to palpate just superior to the tarsus

tarsus

anatomical region between the metatarsus and the leg

calcaneus

largest tarsal bone; makes up your heel

talus

a bone that articulates with the tibia and fibula

humerus

found in the glenoid cavity

acromion process

the most superior part of the scapula

subscapular fossa

found on the anterior surface of the scapula

infraspinous fossa

found on the posterior surface of the scapula inferior to the scapular spine

supraspinous fossa

found on the posterior surface of the scapula superior to the scapular spine

ilium

of the 3 fetal bones that fuse to form the os coxae, this is the only one that does not make up part of the obturator foramen

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