10 Questions
Which type of bone is characterized by being cylinder-like in shape and longer than it is wide?
Long bones
What is a characteristic of sesamoid bones?
They are small and round, and embedded in tendons
Which type of bone is an example of a humerus?
Long bone
What is the primary characteristic of flat bones?
They are flat and plate-like
Which type of bone is an example of a vertebra?
Irregular bone
What is the main criterion used to classify joints into different categories?
Range of movement
What type of joint has a fluid-filled cavity called a bursa?
Synovial joint
What is a characteristic shared by cartilaginous and fibrous joints?
They have no joint cavity
Which of the following is an example of a movable joint?
Shoulder
How many main types of joints are there based on their structure?
3
Study Notes
Bone Classification
- Long bones have a cylinder-like shape, are longer than they are wide, and are the strongest bones in the body.
- Examples of long bones include the humerus (upper arm), femur (thigh), clavicle (collarbone), radius (forearm), ulna (forearm), phalanges (fingers and toes), tibia (lower leg), and fibula (lower leg).
Short Bones
- Short bones are similar in length in all dimensions.
- Most carpal (wrist) and tarsal (ankle) bones are examples of short bones.
Flat Bones
- Flat bones are flat and plate-like in shape.
- Examples of flat bones include the bones of the skull (cranial bones), rib cage, and scapula (shoulder blade).
Irregular Bones
- Irregular bones have an irregular shape.
- Examples of irregular bones include the vertebrae (spine), hip bones, and mandible (jaw).
Sesamoid Bones
- Sesamoid bones are small, round, and embedded in tendons.
- The patella (kneecap) is an example of a sesamoid bone.
Joints Classification
- Joints are categorized into three types based on their range of movement: immovable, partly movable, and movable.
- Examples of movable joints include the shoulder, which can move in multiple directions.
Structural Classification of Joints
- Cartilaginous joints are connected by hyaline cartilage and lack a joint cavity.
- Fibrous joints are connected by dense connective tissue and also lack a joint cavity.
- Synovial joints have a fluid-filled cavity called a bursa, which surrounds and cushions the articulating bones.
Learn about the different types of bones in the human body, including long bones and short bones, and their characteristics.
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