 | Term | Definition |
| |
cell |
basic unit of structure and function in a living thing |
| |
cell membrane |
the outside boundary of a cell |
| |
nucleus |
the control center of a cell that directs the cell's activities and contains the information |
| |
cytoplasm |
the material within a cell apart from the nucleus |
| |
tissue |
a group of similar cells that perform the same function |
| |
muscle tissue |
a body tissue that contracts or shortens, making body parts move |
| |
nervous tissue |
conducts electrical impulses for COMMUNICATION ; in brain and spinal cord |
| |
connective tissue |
Functions mainly to bind and support other tissues. |
| |
epithelial tissue |
covers exposed surfaces, lines internal passageways and chambers, and forms glands |
| |
organ |
composed of two or more tissue types and performs a specific function for the body |
| |
organ system |
A group of organs that work together in performing vital body functions. |
| |
homeostasis |
tendency of a system to maintain relative stability |
| |
stress |
difficulty that causes worry or emotional tension |
| |
skeleton |
the hard structure (bones and cartilages) that provides a frame for the body of an animal |
| |
vertebrae |
26 small bones that make up your backbone |
| |
joint |
(anatomy) the point of connection between two bones or elements of a skeleton (especially if the articulation allows motion) |
| |
ligament |
a flexible band of fibrous tissue that connects bone to bone |
| |
cartilage |
A flexible supporting tissue that makes up part or all of some animal's skelotons |
| |
compact bone |
The dense, hard layer of bone tissue |
| |
spongy bone |
lightweight tissue that is at the ends of bones, has many spaces in it. |
| |
marrow |
the fatty network of connective tissue that fills the cavities of bones |
| |
osteoporosis |
when your bones become weak due to mineral loss. |
| |
fracture |
A break |
| |
dislocation |
The displacement of a bone from a joint |
| |
sprain |
Twisting of a joint that causes pain and disabilty |
| |
X-ray |
a high energy short wavelength form of elctro magnetic radiation |
| |
MRI |
a method of taking clear images of and soft tissues |
| |
arthritis |
inflammation of a joint or joints |
| |
arthroscope |
a slim, tube-shaped, surgical instrument that doctors use to diagnose a problem in a joint. |
| |
involuntary muscle |
muscle that moves on its own: cardiac and smooth |
| |
voluntary muscle |
a muscle that is under conscious control |
| |
skeletal muscle |
a muscle that is attached to the bones of the skeleton and provide the force that moves the bones |
| |
tendon |
strong connective tissue that attaches muscle to bone |
| |
striated muscle |
a muscle that appears banded; also called skeletal muscle |
| |
smooth muscle |
involuntary muscle found in internal organs |
| |
cardiac muscle |
Muscle found only in heart, involuntary, never tires |
| |
pulse |
expansion and contraction of a blood vessel wall produced by blood as it moves through an artery. The pulse can be taken at several pulse points throughout the body where an atery is close to the surface. |
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