capacitación a los voluntarios

Un proceso que experimentan los espermatozoides en su viaje a través del tracto reproductivo de la mujer. La capacitación permite a los espermatozoides para penetrar el óvulo.

antihelmínticos

Agricoltura; Agricoltura (generale)

Agents destructive to parasitic worms. They are used therapeutically in the treatment of infestation with parasitic worms of the helminth class, in humans and animal.

antígenos de superficie

Agricoltura; Agricoltura (generale)

Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls.

antígenos de neoplasias

Agricoltura; Agricoltura (generale)

Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usually identified by monoclonal antibodies. Many of these are of either embryonic or viral ...

antígenos de histocompatibilidad

Agricoltura; Agricoltura (generale)

A group of antigens that includes both the major and minor histocompatibility antigens. The former are genetically determined by the major histocompatibility complex. They ...

antígeno nuclear de célula proliferativa

Agricoltura; Agricoltura (generale)

Nuclear antigen with a role in DNA synthesis, DNA repair, and cell cycle progression. PCNA is required for the coordinated synthesis of both leading and lagging strands at the ...

anticonceptivos

Agricoltura; Agricoltura (generale)

Agents, devices, methods, or procedures which diminish the likelihood of or prevent conception.

Termini nelle notizie

Termini in evidenza

michael.cen

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Sostenitori

Settore/Dominio: Tempo atmosferico Categoria: Tempeste

ventisca

Una condición de mal tiempo se caracteriza por las bajas temperaturas, los vientos 35 mph o más, y la nieve cayendo suficiente y / o soplar en el aire ...