aborto floral

La pérdida de un embrión o feto sea de forma espontánea (aborto involuntario) o inducida (cuando se termina un embarazo a propósito) antes de 20 semanas. Después de 20 semanas, la ...

aborto

종교; 천주교 교회

Interrupción voluntaria del embarazo al matar al feto. Un aborto directo, sea como fin o como medio, es gravemente contrario a la ley moral. La Iglesia sanciona con pena canónica ...

antihelmínticos

농업; 일반 농업

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

농업; 일반 농업

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

농업; 일반 농업

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

농업; 일반 농업

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

농업; 일반 농업

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 ...