definition of osteoarthritis
degenerative joint disease
What is arthritis?
inflammation of an entire joint
what protects the neurons?
neuroglia
definition of action potentials
the electric change occurring across the membrane of a nerve or muscle cell during transmission of a nerve impulse
what is a break in the bone called?
fracture
definition of extensibility
ability to lengthen and increase the distance between two parts
Where is the saddle joint found?
thumbs
Which type of neurons emerge from the skin or sense organs and carry messages or impulse toward the spinal cord and brain?
afferent neurons
definition of extracellular matrix
noncellular material that separates connective tissue cells
what are the most common injuries?
sprains and strains
definition of acetylcholine
the chemical released when a nerve impulse is transmitted
What is joint articulation?
connecting point of two bones
There are three types of neurons. They are afferent neurons, efferent neurons, and interneurons.
what is the wasting away of a tissue or an organ
atrophy
As an athlete what is the first thing you need to do when you feel symptoms of an injury?
You have to let your coach know or an athletic trainer.
definition of gout
accumulation of uric acid crystals in the joint at the base of the large toe and other joints of the feet
what is the study of joints called ?
arthrology
Which type of neuron carry messages from the brain and spinal cord to the muscles and glands?
efferent neurons
definition of leukocytes
white blood cells
what are the types of fractures you can get?
simple fracture, compound fracture, greenstick fracture, comminuted fracture, stress fracture, epiphyseal plate fracture, spiral fracture
slightly movable joints connected by fibrocartilage
ampiarthroses
What is the most movable joint?
ball and socket joint
Which type of neuron carries impulses from the sensory neurons to motor neurons?
interneurons
definition of mononuclear phagocytes
white blood cells that engulf and destroy waste material and foreign bodies in the bloodstream
what do bones absorb and replace? why is it important?
cells , it is important because it allows bones to often heal naturally.