célula fotorreceptora

célula fotorreceptora

A cell, functionally part of the nervous system, that reacts to the presence of light. It usually contains a pigment that undergoes a chemical change when light is absorbed. This chemical change stimulates electrical changes in the photoreceptor that, when passed along and processed by other neurons, form the basis of vision.

0 0

Miglioralo

Aggiungi un'immagine

Parte del discorso: sostantivo
Sinonimi:
Blossario:
Settore/Dominio: Archeologia
Categoria: Evoluzione
Company:
Prodotto:
Acronimo - Abbreviazione:

Altro

Aggiungi a My Glossary

Altre lingue:

Altro

Lascia un commento?

Visualizza termini simili

célula

Apparecchiature elettriche; Alimentatori

Unidad capaz de servir como fuente de tensión de corriente directa (CD) a través de la transferencia de iones en el transcurso de una reacción química.

célula

Archeologia; Evoluzione

The basic structural and functional unit of most living organisms. Cell size varies, but most cells are microscopic. Cells may exist as independent units of life, as in bacteria ...

célula

Antropologia; Antropologia fisica

A complex unit of protoplasm, usually with a nucleus, cytoplasm, and an enclosing membrane. All plants and animals are composed of one or more microscopic cells. The smallest ...

célula

Biologia; Genetica

Fundamental structural unit of all life. The cell consists primarily of an outer plasma membrane, which separates it from the environment; the genetic material (DNA), which ...

célula

Biologia; Genoma

The basic unit of any living organism that carries on the biochemical processes of life. See also: genome, nucleus.

hongos

Archeologia; Evoluzione

A group of organisms comprising the kingdom Fungi, which includes molds and mushrooms. They can exist either as single cells or make up a multicellular body called a mycelium. ...

ley

Archeologia; Evoluzione

A description of how a natural phenomenon will occur under certain circumstances.

pirimidina

Archeologia; Evoluzione

A kind of base. In DNA, cytosine (C) and thymine (T) are pyrimidines. In RNA, cytosine (C) and uracil (U) are pyrimidines.

ecosistema

Archeologia; Evoluzione

A community of organisms interacting with a particular environment.

mitocondria

Archeologia; Evoluzione

A kind of organelle in eukaryotic cells. Mitochondria produce enzymes to convert food to energy. They contain DNA coding for some mitochondrial proteins.

protozoarios

Archeologia; Evoluzione

A group of unicellular, usually microscopic, organisms now classified in various phyla of the kingdom Protoctista. They were formerly regarded either as a phylum of simple animals ...

Termini nelle notizie

Termini in evidenza

Giuliana Riveira

0
Termini
0
Glossari
2
Sostenitori

Settore/Dominio: Astronomia Categoria: Galassia

burbujas de la Vía Láctea

Las dos grandes burbujas con rayos gama de alta energía que sobresalen de la Vía Láctea. Cada una abarca 25000 años luz, casi el tamaño de la galaxia ...