lóbulo frontal

El lóbulo pulmonar (algunas veces llamado el lóbulo secundario) se refiere a la unidad antómica del parénquima pulmonar, 0.50 a 2.0 cm de diámetro, delimitado por la septa ...

núcleo del átomo

Biología; Biología celular

An atom's core; contains protons and one or more neutrons (except hydrogen, which has no neutrons).

número atómico

Biología; Biología celular

The number of protons in the nucleus of an atom.

asma

Biología; Biología celular

A respiratory disorder caused by allergies that constrict the bronchioles by inducing spasms in the muscles surrounding the lungs, by causing the bronchioles to swell, or by ...

ascomicetos

Biología; Biología celular

Division of fungi that contains the yeasts and morels; ascomycetes produce an ascus (or sac) in which ascospores are produced.

selección artificial

Biología; Biología celular

The process in which breeders choose the variants to be used to produce succeeding generations.

reproducción asexual

Biología; Biología celular

A method of reproduction in which genetically identical offspring are produced from a single parent; occurs by many mechanisms, including fission, budding, and fragmentation.