células de cromafina

células de cromafina

Cells that store epinephrine secretory vesicles. During times of stress, the nervous system signals the vesicles to secrete their hormonal content. Their name derives from their ability to stain a brownish color with chromic salts. Characteristically, they are located in the adrenal medulla and paraganglia of the sympathetic nervous system.

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Settore/Dominio: Agricoltura
Categoria: Agricoltura (generale)
Company: USDA
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células

Biologia; Generale

The smallest structural units of living matter capable of functioning independently.

células

Anatomia; Citologia

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

de

Lingua; Dizionari

Function words; prepositions; this one is a duplication.

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.

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Paula Reyes

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Settore/Dominio: Sociologia Categoria: Razzismo

Trayvon Martin

Un adolescente afro-americano que fue asesinado a tiros por un vecino llamado George Zimmerman. Martin, que estaba desarmado, iba caminando hacia la ...