Bones Flashcards
What consists in the axial skeleton?
The skull and bones that support it; vertebral column, ribs, and sternum
How many bones does the adult human have?
206
What consists of the appendicular skeleton?
Bones of the arms and legs and the structures associated with them such as pectoral and pelvic girdles
What is a joint?
Where two or more bones meet
What are the types of joints?
Ball and socket, hinge, gliding, pivot, and fixed
What is a ligament?
Tough band of connective tissue that connects bones to bones
What is cartilage?
Allows for smooth movement between bones
What is the bursa?
Fluid-filled sacs that cushion and absorb shock and keeps bones from rubbing against each other
What are tendons?
Thick bands of connective tissue that attach muscle to bone
What is a sprain?
Forcible twisting of a joint; can result in injury to bursa, ligaments, and tendons
What is arthritis?
Common joint disease; inflammation results from infection, aging, or injury; can result in bone spurs
What are osteoblasts?
Potential bone cells
What are osteoclasts?
Cells that repair bone cells
How do bones grow?
In length and diameter
How do bones grow in length?
Occurs at ends of bones in growth plates