Category: P

The nerve that activates the diaphragm. A pair of nerves which controls the muscles in the diaphragm. One of a pair of nerves, arising from cervical spinal roots and passing down the thorax to innervate the diaphragm and help control its movements during breathing. Nerve that stimulates the diaphragm to contract, thereby initiating respiration. The…

Resection of the phrenic nerve. The surgical removal of all or part of the phrenic nerve. Surgical division or removal of part of the phrenic nerve. Partial removal of the nerve produces the same results as phrenemphraxis and phrenicotomy (division of the phrenic nerve); it is done because the nerve sometimes regenerates after the other…

Pertaining to the diaphragm. Referring to the mind or intellect.  

The organization of sentences into phrases consisting of a. underlying structure and b. surface structure.  

A sequence of words within a sentence that functions as a unit.  

A movement in response to one-sided illumination. A tendency exhibited by green plants and some microorganisms to turn toward or grow toward light.  

A sheet of 200-300 chlorophyll molecules together with reactive sites at which the light reactions of photosynthesis are completed.  

The response of plants to the relative lengths of day and night. The periodic occurrence of biological phenomena in relationship to the presence or absence of light. In most animals, the sleep-wake cycle is a form of photoperiodism.  

A photograph of the minute characteristics of a specimen made through a microscope. Photographic record of an object in a microscopic field taken by attaching a camera to a microscope. An enlarged photographic record of an object taken through an optical or electron microscope. A photograph of an object under a microscope.  

An eyeglass lens that lightens or darkens depending upon the amount of light that is present.