Skeletal F3 & F6

Axial

Everything on the midline - Skull, trunk, vertebral, and sternum.

Appendicular

Limbs

Flat Bones

Thin, flat, and curved. Found in the cranium.

Long Bones

Longer than they are wide. Humerus and femur.

Short Bones

Equally tall and wide, cuboidal shape. Tarsal and carpal regions.

Sutural Bones

Small, irregular, and immovable joints found mainly in the cranium.

Irregular Bones

All bones that don't fit in another category. Facial and vertebra.

Sesamoid Bones

Sesame seed shape. Found in the patella.

Bone Markings

Surface features of bones. Can show points of attachment.

Head (bone marking)

Proximal join to the trunk

Diaphysis

Shaft

Neck (bone marking)

Connects the head and diaphysis.

Condyle

Rounded articular projection. Can be facet or trochlea.

Facet Condyle

Flat condyle

Trochlea Condyle

Grooved condyle

Projections

Raised markings that connect a bone to ligaments or tendons.

Trochanter Projection

Large, rough projection only found on the femur.

Tubercle Projection

Small, rounded projection. Specific to long bones.

Tuberosity Projection

Small, rough projection.

Sulcus

A groove going into a bone.

Periosteum

The outside layer of bone.

What are the 4 bone markings of the skull?

Sinus, Foramen, Canal/Meatus, and Fissure.

Sinus

Cavity in the skull that is surrounded by bone.

Foramen

Small, round hole through a bone. Allows for blood vessels and nerves to pass through.

Canal / Meatus

Large, round hole through a bone.

Fissure

Space between 2 different bones, touches both of them and usually irregularly shaped.

Process

A projection

Fossa

Scoop / shallow depression in a bone.

Line

A not-very prominent ridge through a bone.

Ramus

An extension of a bone that creates an angle.

Spine

A sharp, pointed projection.