Skeletal System - Shapes of Bones

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Ribs

24 total FLAT BONES

How many types of bones are there in the skeletal system?

6

Medullary cavity

A cavity in the diaphysis that is filled with adipose tissue. Membranes. LONG BONES

Facial bones

Bones of the anterior and lower skull IRREGULAR BONES

Metacarpals

Bottom finger bones located in the palm LONG BONES

Occipital

Bottom of skull bone; back of head/lower neck FLAT BONES

Fibula

Calf bone; lateral to the main bone in lower leg. LONG BONES

What bones are classified as SHORT bones?

Carpals, Tarsals.

Phalanges

Finger and toe bones LONG BONES

Frontal, Parietal, Occipital, Temporal, Hip, Ribs, Scapulae, Sternum.

Flat Bones

In the cranium, the layer of spongy bone between the compact bone is called the diploe

Flat bone

Red bone marrow is present, but no large medullary cavity.

Flat bone

Resembles a sandwich of spongy bone between two layers of cortex (compact bone).

Flat bone

Like plates

Flat bones

Frontal

Forehead; skull FLAT BONES

What bones are classified as FLAT bones?

Frontal, Parietal, Occipital, Temporal, Hip, Ribs, Scapulae, Sternum.

What bones are classified as LONG bones?

Humerus, Ulna, Radius, Metacarpals, Phalanges, Femur, Tibia, Fibula, Metatarsals.

Ulna

Inner/bottom bone of the lower arm LONG BONES

Vertebrae, Sphenoid, Ethmoid, Facial bones.

Irregular Bones

What are the names of the different shape bones in the skeletal system?

Long Short Flat Irregular Sutural Sesamoid

Long and thin bone

Long bone

Radius

Outter/upper bone of the lower arm LONG BONES

Patella

Sesamoid Bones LONG BONES

Small irregular bones found between cranial bones.

Sutural Bones

Small Irregular bones

Sutural bones

Metaphysis

The area between diaphysis and epiphysis; has the cartilagenous epiphyseal plate before puberty. LONG BONE

Femur

Thigh bone LONG BONES

Metatarsals

Toe bones located in actual foot LONG BONES

Parietal

Top of skull bone FLAT BONES

Patella

knee cap SESAMOID BONES

Humerus, Ulna, Radius, Metacarpals, Phalanges, Femur, Tibia, Fibula, Metatarsals.

Long Bones

Vertebrae

Back bone; spine; IRREGULAR BONES

Shaped like a sesameed see

Sesamoid bone

Tibia

Shin bone; main bone in lower leg LONG BONES

Carpals, Tarsals.

Short Bones

Small, cube-like

Short Bones

Scapulae

Shoulder blade; connect humerus/clavicle FLAT BONES

Temporal

Side and base of skull, near ear; FLAT BONES

Ethmoid

Skull bone that separates the nasal cavity from the brain. IRREGULAR BONES

What bones are classified as SUTURAL bones?

Small irregular bones found between cranial bones.

Sphenoid

Sphenoid IRREGULAR BONES

Diaphysis

The shaft of a long bone; made of mostly compact bone tissue. LONG BONE

Epiphysis

The two ends of a long bone; made of mostly spongy bone tissue, spaces filled with red bone marrow. LONG BONE

Humerus

Upper arm bone LONG BONES

What bones are classified as IRREGULAR bones?

Vertebrae, Sphenoid, Ethmoid, Facial bones.

Carpals

Wrist bones; 8 SHORT BONES

Sternum

front of the rib cage; chest FLAT BONES

Tarsals

heal and cluster of foot bones; 7 SHORT BONES

Hip

pelvic bones FLAT BONES

What bones are classified as SESAMOID bones?

shaped like a sesame seed - Patella


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