cyto-, cyt-, -cyte, cytio-

A slender, relatively undifferentiated, connective tissue cell that occurs around capillaries or other small blood vessels.

The engulfing and ingesting of foreign particles or waste matter by phagocytes.

1. A usually benign tumor of the adrenal medulla or the sympathetic nervous system in which the affected cells secrete increased amounts of epinephrine or norepinephrine.
2. A tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.

The inbibition [drinking]; of liquids by cells; i.e., absorption of liquids by cells; especially, the mechanism by which cells ingest extracellular fluid and its contents.

The process by which cells engulf fluids and solids to form vacuoles, which then move through the cell and discharge their contents from another region of the cell surface.

1. The presence of a greater number of cells than normal, as in the cerebrospinal fluid.
2. Presence of more cells than normal, often denoting leukocytosis and especially lymphocytosis or round cell infiltration; orginally applied to the lymphocytosis of the cerebrospinal fluid present in syphilis of the central nervous system.

In pathology, the condition of the presence of oddly shaped red blood cells: Jack was told by his doctor that he had a condition of poikilocytosis which could refer to an increase in the number of abnormalred blood cells of any shape in his blood.

Conspicuous increases in the numbers of pyknocytes in the blood.

Paucity of reticulocytes in the blood. The reticulocytes are young red blood cells that become more numerous during the process of active blood regeneration.