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Medical Terminology
CH 3 - SECTION 1 TEST
Term | Definition |
---|---|
abdominal cavity | the cavity that contains the stomach, pancreas, liver, gallbladder, and large/small intestines. |
vertebral cavity | the cavity that contains the spinal column. |
horizontal plane | the plane that divides the body into upper and lower portions; also known as the transverse plane. |
coronal plane | the plane that divides the body into front and back portions; also known as frontal plane. |
sagittal plane | the plane that divides the body into right and left halves. |
body planes | points of reference which are imaginary slices or cuts through the body that divide it vertically or horizontally. |
appendicular body | the arms and legs of the body. |
axial body | the head, neck, and trunk portion of the body. |
fundamental position | anatomical position with the palms inward, w/the thumbs facing forward. |
elasticity | muscles ability to return to its normal resting length when the shortening stimulus or stretching force is removed. |
extensibility | muscles ability to stretch, or lengthen, when a force is applied. |
contractility | muscles ability to shorten, or contract when it receives a stimulus. |
irritability | muscles ability to respond to stimulus. |
regenerate | replace itself. |
columnar cells | cylindrical in shape |
squamous cells | cells that are flat in shape |
epithelial tissue | forms the top layer of skin |
mitochondria | provides energy or fuel for the transportation of molecules. |
endoplasmic reticulum | transports the molecules in cells |
Golgi apparatus | packages the molecules in cells |
tissue | a group of similar cells that perform a specific function |
retroperitoneal space | the space at the back of the abdomen just lateral to the spinal column. |
pelvic cavity | the cavity that contains the sigmoid colon, rectum, and bladder, and in females, contains the uterus, Fallopian tubes |