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B-lymphocytes
B-lymphocytes Or B-cells are white blood cells that produce and secrete antibodies into the blood. See also Cell memory.
RELATED TERMS--------------------------------------
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Secrete
To make and give off such as when the beta cells make insulin and then release it into the blood so that the other cells in the body can use it to turn glucose (sugar) into energy.
Antibodies
Proteins produced by white blood cells. They confer immunity.
Cell
Fundamental structural unit of all life. The cell consists primarily of an outer plasma membrane, which separates it from the environment; the genetic material (DNA), which encodes heritable information for the maintainance of life; and the cytoplasm, a heterogeneous assemblage of ions, molecules, and fluid.
Memory
In the immune system, memory denotes an active state of immunity to a specific antigen, such that a second encounter with that antigen leads to a larger and more rapid response.
SIMILAR TERMS--------------------------------------
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An inflammation and thickening of the bursa in the joint of the big toe.
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B-lymphocytes
Blastocoel
The fluid-filled cavity within the blastula.
Blastocyst cavity
The fluid-filled cavity within the blastocyst, sometimes referred to as the blastocoel.
Blastomere
A cell from a morula-stage embryo.
Blastula
Term (often used in lower vertebrates) to describe an early stage in the development of an embryo consisting of a hollow sphere of cells enclosing a fluid-filled cavity called the blastocoel. The term blastula sometimes is used interchangeably with blastocyst.
Baby blues
Mild depression that may last a couple of weeks following childbirth, usually the result of dramatic hormonal swings and the letdown after the excitement of labor and birth. See postpartum depression.
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