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Brain Lab           

 
 

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Acidosis: A disturbance in the normal acid-base balance of the body in which the blood and body tissues are more acidic than normal.

Anemia: Condition in which the hemoglobin content of the blood is below normal limits.

Astrocyte: "Star-shaped" cells which help regulate external environment of the brain and which guide developing neurons to their ultimate destination.

Edema: Abnormal collection of fluid in spaces between cells.

Endothelial: Pertaining to the layer of flat cells that lines the heart, blood and lymph vessels, and some body cavities.

Glia: The matrix of cells surrounding neurons in the nervous system.

Histochemistry: The study of cells and tissues using both microscopic and chemical staining techniques.

Homeostasis: Steady state in the internal environment of the body (e.g. temperature, electrolyte balance, respiration, heart rate).

Hypercapnia: Excess carbon dioxide in expired air.

Hyperglycemic: Having a higher than normal amount of glucose in the blood, most often associated with diabetes mellitus but sometimes occurring in other conditions.

Hypoxia: An environmental condition characterized by lower than normal oxygen levels.

Ischemia: Localized tissue anemia due to obstruction of the inflow of arterial blood.

Neuron: The fundamental cellular unit of the nervous system.

Parasympathetic nervous system: One of the two divisions of the autonomic nervous system (the other being the sympathetic nervous system), consisting of nerve fibers that leave the brain and sacral portion of the spinal cord, and extend to nerve cell clusters (ganglia) at specific sites, from which fibers are distributed to blood vessels, glands, and other internal organs. In general, parasympathetic nerves slow the heatr rate; stimulate peristalsis; induce the secretion of bile, insulin, and digestive juices; dilate peripheral blood vessels; and contract the bronchioles, pupils, and esophagus.

Sympathetic nervous system: One of the two divisions of the autonomic nervous system ( the other being the parasympathetic nervous system), consisting of fibers that leave the central nervous system, pass through a chain of ganglia near the spinal cord, and are distributed to heart, lungs, intestine, blood vessels, and sweat glands. In general, sympathetic nerves dilate the pupils, constrict peripheral blood vessels, and increase heart rate.

TUNEL: TdT-mediated dUTP Nick-End Labeling. A positive cellular stain using TUNEL indicates apoptosis.

Vasomotor: Pertaining to the nerves and muscles that control the diameter of blood vessels.

VEGF: Vascular Endothelial Growth Factor. Protein which stimulates the growth of blood vessels.

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