Bone Terminology

Process –A prominent projection –Example: coronoid processExample: coronoid process –Example: zygomatic processExample: zygomatic process –Example: styloid processExample: styloid process –Example: mastoid processExample: mastoid process Condyle –A rounded process which articulates with another bone –Example: occipital condyleExample: occipital condyle –Example: femurExample: femur Crest –Narrow, ridge-like projection –Example: iliac crestExample: iliac crest Epicondyle –Projection located above a condyle –Example: humerousExample: humerous –Example: femurExample: femur More Bone Terminology

Skull (lateral) coronoid process RETURN

Skull (lateral) zygomatic process of temporal bone RETURN

Skull (lateral) styloid process

Skull (inferior) styloid process styloid process

Skull (sagittal) styloid process RETURN

Skull (lateral) mastoid process

Skull (inferior) mastoid process mastoid process RETURN

Skull (inferior) occipital condyle occipital condyle RETURN

Right Femur Anterior Posterior medial condyle lateral condyle RETURN

Pelvis iliac crest RETURN

Humerus (left) lateral epicondyle medial epicondyle RETURN

Right Femur Anterior Posterior lateral epicondyle medial epicondyle RETURN

Bone Terminology Facet –Small flat surface –Example: vertebral columnExample: vertebral column Fontanel –Soft spot in immature skull –Examples: infant skullExamples: infant skull Foramen –An opening through a bone –Example: foramen magnumExample: foramen magnum –Example: vertebral and transverse foraminaExample: vertebral and transverse foramina Fossa –Deep depression –Example: humerousExample: humerous More Bone Terminology

Vertebral Column facet RETURN

Infant Skull (lateral) anterior fontanel sphenoid fontanel posterior fontanel

Infant Skull (superior) anterior fontanel RETURN

Skull (inferior) foramen magnum RETURN

Vertebral Column transverse foramen vertebral foramen RETURN

Humerus (left) olecranon fossa coronoid fossa RETURN

Bone Terminology Fovea –Shallow depression –Example: femurExample: femur Head –Enlargement at end of bone –Example: humerusExample: humerus –Example: femurExample: femur –Example: radius/ulnaExample: radius/ulna Meatus –A tube through a bone –Example: external auditory meatusExample: external auditory meatus Sinus –Hollow cavity through a bone –Example: skullExample: skull More Bone Terminology

Right Femur AnteriorPosterior fovea capitis RETURN

Humerus (left) head RETURN

Right Femur AnteriorPosterior head RETURN

Radius and Ulna head of radius RETURN

Skull (lateral) external auditory meatus RETURN

Skull (sagittal) frontal sinus sphenoidal sinus RETURN

Bone Terminology Spine –Thorn-like projection –Example: scapulaExample: scapula Suture –Union line between bones –Example: skullExample: skull Trochanter –Large process –Example: femurExample: femur Tubercle –Knob-like process –Example: humerusExample: humerus Tuberosity –Large tubercle –Example: humerusExample: humerus –Example: radius/ulnaExample: radius/ulna REVIEW

Scapula (right posterior) spine RETURN

Skull (lateral) coronal suture lambdoidal Suture squamosal suture

Skull (inferior) lambdoidal suture lambdoidal suture

Skull (sagittal) squamosal suture lambdoidal suture

Infant Skull (lateral) coronal suture

Infant Skull (superior) sagittal suture frontal suture RETURN

Right Femur AnteriorPosterior greater trocanter lesser trochanter RETURN

Humerus (left) greater tubercle lesser tubercle RETURN

Humerus (left) deltoid tuberosity RETURN

Radius and Ulna radial tuberosity radius ulna RETURN

Review

Skull (lateral) coronal suture coronoid process zygomatic process of temporal bone mandibular condyle styloid process mastoid process external auditory meatus lambdoidal suture squamosal suture

Skull (inferior) styloid process mastoid process occipital condyle lambdoidal suture styloid process mastoid process occipital condyle lambdoidal suture foramen magnum

Skull (sagittal) frontal sinus squamosal suture lambdoidal suture styloid process sphenoidal sinus

Infant Skull (lateral) anterior fontanel coronal suture sphenoid fontanel posterior fontanel

Infant Skull (superior) sagittal suture anterior fontanel frontal suture

Vertebral Column facet transverse foramen transverse process vertebral foramen facet spinous process transverse process

Scapula (right posterior) spine

Humerus (left) head greater tubercle lesser tubercle deltoid tuberosity olecranon fossa lateral epicondyle medial epicondyle coronoid fossa

Radius and Ulna head of radius radial tuberosity radius ulna styloid process

Right Femur AnteriorPosterior greater trocanter fovea capitis head lesser trochanter lateral epicondyle medial epicondyle medial condyle lateral condyle

Credits Vitruvian Man: Lateral skull: Inferior skull: Sagittal skull: Pelvis: Infant skull lateral: Infant skull superior: tm tm Vertebral Column: Scapula: Humerus: Tibia: