complejo sinaptonémico

complejo sinaptonémico

The three-part structure of ribbon-like proteinaceous material that serves to align and join the paired homologous chromosomes during the pachytene stage of meiotic division. It is a prerequisite for crossing-over.

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Industry/Domain: Agriculture
Category: General agriculture
Company: USDA
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complejo

Education; SAT vocabulary

Complicated.

antihelmínticos

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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

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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

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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

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

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Agriculture; General agriculture

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

Agriculture; General agriculture

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

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Industry/Domain: Anatomy Category: Cytology

células

Las células son la unidad funcional básica de la vida (todos los organismo están compuestos por ellos). Fueron descubiertos por Robert Hooke en 1665. ...