A&P I Unit 2 Bones

Foramen (plural: foramina)

hole in a bone

head

expanded end of a long bone

tuberosity

Large rounded projection; may be roughened

scapula acromion

detach part

scapula coracoid process

"crow head"

scapula supraspinous fossa

a depression located superior to the spine of the scapula

scapula infraspinous fossa

a broad depression located inferior to the spine of the scapula

scapula glenoid process

lateral flat surface of the bone - shows when turnt sideways; connects to humerous

humerus

upper arm bone

humerus head

rounded section of the humerus that articulates with the glenoid cavity of the scapula

humerus greater tubercle

Large lateral prominence; site of the attachment of rotator cuff muscles

humerus lesser tubercle

a smaller projection on the anterior side between the head and greater tubercle

humerus intertubercular groove

space between greater and lesser tuberacle

humerus deltoid tuberosity

insertion of deltoid

humerus trochlea

lopsided bowtie (pulley system)

humerus capitulum

rounded bump on the bottom (little head)

fossa

shallow dent

tubercle

button shaped; rough

fissure

large, irregular crack

meatus

opening or canal

facet

Flat surface that forms a joint with another facet or flat bone

spine

pointy projection off body of bone

process

extension of a bone

trochanter

Very large, blunt, irregularly shaped process (the only examples are on the femur)

condyle

knuckle-like process at the end of a bone near the joint

epicondyle

Raised area on or above a condyle

fovea

tiny pit or depression

notch

indentation at the edge of a bone

sinus

Air-filled cavity within a bone

Ramus (pl. rami)

branch

clavical

collar bone

scapula

shoulder blade

scapula spine

bony ridge off back

humerus olecranon fossa

large depression on posterior humerus that receives the olecranon of the ulna

humerus medial epicondyle

big jutty on same side of humerus head

humerus lateral epicondyle

small condyle proximal to the capitulum

ulna

Inner and larger bone of the forearm, attached to the wrist and located on the side of the little finger (pinky)

ulna styloid process

pointy projection on the distal end

ulna olecranon

prominent process on the posterior proximal ulna; articulates with the olecranon fossa of the humerus when the forearm is extended

ulna coronoid process

shaped like a point on a crown; articulates with the trochlea of the humerus

ulna semilunar notch

smooth notch (ice cream scoop)

radius

lateral bone of the forearm

radius head

disk-shaped; articulates with the humerus and the radial notch of the ulna

radius radial tuberosity

little bump below neck

radius ulnar notch

articulates with the head of the ulna

radius styloid process

projection of bone on the lateral surface of the distal radius bone

carpals

bones of the wrist

metacarpals

the five bones that form the palms of the hand

Phalanx (proximal, middle, distal); pl. phalanges

finger bones (thumb has no middle phalanx)

Pelvis

hip bone

Pelvis: Pubic Symphysis

joint in front that connects pubic bones in the middle

pelvis: pubic arch

U or V shaped

Acetebulum

hip socket

hip bone: obturator foramen

Large opening by pubis and ischium Lower part of hip bone

ilium

part of the hip bone

anterior superior iliac spine

Name this specific part of the pelvic bone.

anterior inferior iliac spine (AIIS)

Name this specific part of the pelvic bone.

posterior superior iliac spine

Name this specific part of the pelvic bone.

posterior inferior iliac spine (PIIS)

Name this specific part of the pelvic bone.

iliac crest

found on the top of the hip bone.

iliac fossa

broad, smooth dent

iliac articular surface

rough spot, sacrum forms here

greater sciatic notch

Name this specific part of the pelvic bone.

ischium

the lower, posterior portions of the pelvis

ischial tuberosity

receives the weight of the body when sitting

ischial spine

located superior to the ischial tuberosity and projects medially into the pelvic cavity

lesser sciatic notch

inferior to ischial spine

pubis

The medial anterior portion of the pelvis

pubic tubercle

anterior prominence superior to the pubic symphysis, lateral end of pubic crest

femur

thigh bone

femur head

rounded portion of femur covered with articular cartilage - fits into acetabalum of pelvic girdle

femur fovea capitis

pit in the femoral head

femur neck

Between the head of the femur and trochanter

femur greater trochanter

Identify the structure.

femur lesser trochanter

smaller prominence inferior to the head on the medial side of the femur

femur linea aspera

Name this structure

femur medial condyle

Posterior, inferior of femur. "Rounded knob that articulates with another bone."

femur lateral condyle

articulates with the lateral condyle of the tibia

patella

kneecap

tibia

shin bone

tibial tuberosity

point where the patellar ligament attaches

tibia medial malleolus

forms the medial bulge of the ankle

tibia anterior border

sharply angular on shaft

fibula

calf bone

talus

ankle bone that articulates with bones of the leg

calcaneus

heel bone

tarsals

ankle bones

metatarsals

bones of the foot between ankle and toes

phalanx (phalanges)

toe bones (big toe has no middle phalanx)

skull sutures

coronal, saggital, lambdoid, squamous

coronal suture

the suture between the parietal and frontal bones of the skull

saggital suture

separates the left and right parietal bone

squamous (temporal) suture

thin and flat suture behind ear

lambdoid suture

between parietal bones and occipital bone

orbit

eye socket

Calvarium

skull cap

Suture Bones (Wormian Bones)

Little bones in the skull that were separated by sutures

frontal bone

forehead

frontal bone: supraorbital foramen

opening above each orbit allowing blood vessels and nerves to pass

Frontal Bone: Frontal Sinus

cavity within the frontal bone