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Pinocytosis
Pinocytosis Ingestion of liquid or very small particles by vesicle formation in a cell.
RELATED TERMS--------------------------------------
Ingestion
Taking food, water, or medicine into the body by mouth.
Vesicle
1. A small, sac-like cavity. 2. A blister.
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.
SIMILAR TERMS--------------------------------------
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Postnatal Depression
Depression in women occurring usually within four weeks after the delivery of a child. The degree of depression ranges from mild transient depression to neurotic or psychotic depressive disorders.
Pott's disease
Tuberculosis affecting the spine.
Paratope
An antibody combining site that is complementary to an epitope.
Passive immunization
Immunization by the administration of preformed antibody into a nonimmune individual.
Phagocytosis
The engulfment of a particle or a microorganism by leukocytes.
Pinocytosis
Polyclonal activator
A substance that induces activation of many individual clones of either T or B cells. See Mitogen.
Polymorphism
Literally, "having many shapes"; in genetics polymorphism means occurring in more than one form within a species; the existence of multiple alleles at a particular genetic locus.
Polymorphonuclear leukocyte
White cell, granular cytoplasm. Neutral staining (neutrophil) - most frequent, phagocytic. Basophilic staining - basophil q.v. Eosinophilic staining - eosinophil q.v.
Primary responses
The immune response to a first encounter with antigen. The primary response is generally small, has a long induction phase or lag period, consists primarily of IgM antibodies, and generates immunologic memory.
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