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The period in the MENSTRUAL CYCLE that follows OVULATION, characterized by the development of CORPUS LUTEUM, increase in PROGESTERONE production by t…

Formation of CORPUS LUTEUM. This process includes capillary invasion of the ruptured OVARIAN FOLLICLE, hypertrophy of the GRANULOSA CELLS and the THE…

Degradation of CORPUS LUTEUM. In the absence of pregnancy and diminishing trophic hormones, the corpus luteum undergoes luteolysis which is character…

The formation of LYMPHATIC VESSELS.

T-cell enhancement of the B-cell response to thymic-dependent antigens.

The number of LYMPHOCYTES per unit volume of BLOOD.

Formation of LYMPHOCYTES and PLASMA CELLS from the lymphoid stem cells which develop from the pluripotent HEMATOPOIETIC STEM CELLS in the BONE MARROW…

The phenomenon by which a temperate phage incorporates itself into the DNA of a bacterial host, establishing a kind of symbiotic relation between PRO…

The cellular signaling system that halts the progression of cells through MITOSIS or MEIOSIS if a defect that will affect CHROMOSOME SEGREGATION is d…

A type of ARTIFICIAL INTELLIGENCE that enable COMPUTERS to independently initiate and execute LEARNING when exposed to new data.

A class of algorithms which enables a computer to learn as it goes, thereby accomplishing its goal without being explicitly programmed to do so.

The segregation of large parts of the cytoplasm, including ORGANELLES and PROTEIN AGGREGATES, into AUTOPHAGOSOMES and lysosomal degradation after fus…

The process of altering the morphology and functional activity of macrophages so that they become avidly phagocytic. It is initiated by lymphokines, …

Areas of attractive or repulsive force surrounding MAGNETS.

Characteristics, properties, and effects of magnetic substances and magnetic fields.

A group of nonenzymatic reactions in which ALDEHYDES; KETONES; or reducing sugars react with the amino groups of AMINO ACIDS; PEPTIDES; PROTEINS; LIP…

The genetic region which contains the loci of genes which determine the structure of the serologically defined (SD) and lymphocyte-defined (LD) TRANS…

An intracellular signaling system involving the mitogen-activated protein kinase cascades (three-membered protein kinase cascades). Various upstream …

A sporting event in which participants run a distance of approximately 26.2 miles in a race.

A butterlike product made of refined vegetable oils, sometimes blended with animal fats, and emulsified usually with water or milk. It is used as a b…

A stochastic process such that the conditional probability distribution for a state at any future instant, given the present state, is unaffected by …

The fourth planet in order from the sun. Its two natural satellites are Deimos and Phobos. It is one of the four inner or terrestrial planets of the …

The act and process of chewing and grinding food in the mouth.

The age of the mother in PREGNANCY.

Transmission of genetic characters, qualities, and traits, solely from maternal extra-nuclear elements such as MITOCHONDRIAL DNA or MATERNAL MESSENGE…

Nutrition of a mother which affects the health of the FETUS and INFANT as well as herself.

Exchange of substances between the maternal blood and the fetal blood at the PLACENTA via PLACENTAL CIRCULATION. The placental barrier excludes micro…

Numeric or quantitative entities, descriptions, properties, relationships, operations, and events.

Regions of the CHROMATIN or DNA that bind to the NUCLEAR MATRIX. They are found in INTERGENIC DNA, especially flanking the 5' ends of genes or cluste…

The process of growth and differentiation of the jaws and face.