Anatomy

Frontal bone

Bone forming the forehead and front of the skull.

Parietal bone

Large bone forming the upper sides and roof of the skull.

Parietal eminence

Rounded raised area on the parietal bone.

Temporal bone

Bone on the side of the skull near the ear.

Occipital bone

Bone forming the back and base of the skull.

Sphenoid bone

Skull bone near the temple and behind the eye socket.

Nasal bone

Small bone forming the bridge of the nose.

Lacrimal bone

Small bone on the inner wall of the eye socket.

Ethmoid bone

Bone between the eyes that helps form the nasal cavity.

Zygomatic bone

The cheekbone.

Maxilla

Upper jaw bone.

Mandible

Lower jaw bone.

Body of mandible

Horizontal main portion of the lower jaw.

Ramus of mandible

Vertical part of the mandible near the ear.

Head of mandible

Rounded top of the mandible that forms the jaw joint.

Mental foramen

Small opening on the front of the mandible.

Mental protuberance

Projection forming the chin.

Coronal suture

Joint between frontal and parietal bones.

Squamous suture

Joint between temporal and parietal bones.

Lambdoid suture

Joint between parietal and occipital bones.

Sutural bone

Small extra bone sometimes found within a skull suture.

Pterion

Area where four skull bones meet near the temple.

Superior temporal line

Upper curved ridge on the side of the skull.

Inferior temporal line

Lower curved ridge on the side of the skull.

External acoustic meatus

Opening of the ear canal in the temporal bone.

Mastoid process

Rounded projection behind the ear.

Styloid process

Thin pointed projection below the temporal bone.

Squamous part of temporal bone

Flat upper portion of the temporal bone.

Zygomatic arch

Bony arch forming the prominence of the cheek.

Zygomatic process of temporal bone

Temporal-bone portion of the zygomatic arch.

Temporal process of zygomatic bone

Zygomatic-bone portion of the zygomatic arch.

Pectoral girdle

Clavicle and scapula; attaches the arms to the trunk.

Clavicle

Collarbone connecting the sternum to the scapula.

Scapula

Shoulder blade.

Humerus

Bone of the upper arm.

Radius

Forearm bone on the thumb side.

Ulna

Forearm bone on the pinky side.

Carpals

Wrist bones.

Metacarpals

Bones of the palm.

Phalanges (hand)

Finger bones.

Pelvic girdle

Hip bones that connect the lower limbs to the trunk.

Hip bone

Bone formed by the ilium, ischium, and pubis.

Femur

Thigh bone; longest bone in the body.

Patella

Kneecap.

Tibia

Larger, medial shin bone.

Fibula

Smaller, lateral lower-leg bone.

Tarsals

Ankle and rear-foot bones.

Metatarsals

Long bones of the foot.

Phalanges (foot)

Toe bones.

Acromial end

Lateral end of clavicle that meets the scapula.

Sternal end

Medial end of clavicle that meets the sternum.

Conoid tubercle

Small bump on the inferior clavicle for ligament attachment.

Costal tuberosity

Rough area near the sternal end for ligament attachment.

Acromion

Large projection forming the top of the shoulder.

Coracoid process

Hook-shaped projection on the front of the scapula.

Suprascapular notch

Small notch along the superior border.

Superior border

Upper edge of the scapula.

Medial border

Edge closest to the spine.

Lateral border

Edge closest to the arm.

Superior angle

Upper medial corner of scapula.

Inferior angle

Bottom point of scapula.

Lateral angle

Thick lateral portion near the glenoid cavity.

Glenoid cavity

Shallow socket that receives the head of the humerus.

Subscapular fossa

Large depression on the anterior scapula.

Spine of scapula

Large ridge on the posterior scapula.

Supraspinous fossa

Depression above the scapular spine.

Infraspinous fossa

Depression below the scapular spine.

Supraglenoid tubercle

Small bump above the glenoid cavity.

Infraglenoid tubercle

Small bump below the glenoid cavity.

Head of humerus

Rounded proximal end that fits into the glenoid cavity.

Anatomical neck

Narrow groove directly around the humeral head.

Surgical neck

Narrow area below the tubercles.

Greater tubercle

Large lateral projection near the humeral head.

Lesser tubercle

Smaller anterior projection near the humeral head.

Intertubercular sulcus

Groove between the greater and lesser tubercles.

Shaft

Long middle portion of the humerus.

Deltoid tuberosity

Rough area on the shaft where the deltoid attaches.

Radial groove

Groove on posterior humerus for the radial nerve.

Lateral epicondyle

Outer projection at the distal humerus.

Medial epicondyle

Inner projection at the distal humerus.

Capitulum

Rounded lateral surface that articulates with the radius.

Trochlea

Medial pulley-shaped surface that articulates with the ulna.

Radial fossa

Anterior depression above the capitulum.

Coronoid fossa

Anterior depression above the trochlea.

Olecranon fossa

Large posterior depression that receives the ulna.

Radius

Lateral forearm bone on the thumb side.

Ulna

Medial forearm bone on the pinky side.

Head of radius

Disc-shaped proximal end of radius near the elbow.

Neck of radius

Narrow area just below the radial head.

Radial tuberosity

Rough bump below the radial neck for biceps attachment.

Olecranon

Large proximal projection of ulna forming the point of the elbow.

Trochlear notch

Large notch of ulna that articulates with humeral trochlea.

Coronoid process

Anterior projection below the trochlear notch.

Radial notch

Depression on ulna where the radius articulates.

Tuberosity of ulna

Rough area below the coronoid process.

Shaft

Long middle portion of a bone.

Interosseous borders

Edges of radius and ulna where the membrane attaches.

Interosseous membrane

Fibrous sheet connecting radius and ulna.

Head of ulna

Rounded distal end of the ulna near the wrist.

Styloid process of radius

Pointed projection at distal radius.