expansión térmica

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

زراعة; زراعة عامة

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

زراعة; زراعة عامة

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

زراعة; زراعة عامة

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

زراعة; زراعة عامة

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

زراعة; زراعة عامة

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

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carta

Una carta es un mensaje escrito en un papel. Hoy en día es poco común usar esta vía de comunicación (excepto para asuntos oficiales e importantes) ...