Types of bones

Examples of Irregular Bones

Vertebrae Mandible Many of the facial bones

What is the true definition of Long Bones? (4)

1.Being longer than they are wide. 2.Growth plates at either end for longitudinal bone growth. 3.Outer surface of compact bone and inner surface of spongy bone (also called cancellous bone). 4.Both tips are covered in articular (hyalin) cartilage to aid in shock absorption.

Examples of a Long Bone

Femur Humerus Metacarpals Matatarsals Phalanges

Flat Bones

Flat bones are flat like their name states. They are used for protection of vital organs. Flat bones are: 1.Thin bone and not round in comparison to other bones of the body. 2.No longitudinal bone growth. 3.Thin outer layers of compact bone with spongy bone on the inside.

Irregular Bones

Irregular bones are called irregular because they can not be categories as long, short, flat, or sesamoid. 1. Thin layers of compact bone with spongy bone on the inside. 2. Used for attachment, support and protection (Serve various purposed in the body from protecting the spinal chord, maintaining pharynx and trachea support.)

Name the different types of bones (5)

Long Bones Short Bones Flat Bones Irregular Bones Sesamoid

Long Bones

Long bones can actually be long like the femur of the leg or the humerus of your arm. They can also be short like the metacarpals of your hand.

Examples of Sesamoid Bones

Patella Base of Thumb and Big Toe

Examples of Flat Bones

Scapula Sternum (breast plate) Ribs Cranium (skull)

Sesamoid Bone

Sesamoid bones are the size of short bones but they are located between 2 tendons and used for leverage. Sesamoid bone: 1. Short, irregular and found between two tendons. 2. Has no longitudinal growth. 3. Found in locations where a tendon passes over a joint.

Short Bones

Short bones can be found in your wrist and foot. You can consider them to be square shaped bones because: 1.They are just as long as they are wide. 2.No longitudinal bone growth plates. 3.Thin outer surface of compact bone with spongy bone on the inside. 4. Used for strength and support

Examples of Short Bones

Tarcels Calcaneus