Definition of Phototaxis. Meaning of Phototaxis. Synonyms of Phototaxis

Here you will find one or more explanations in English for the word Phototaxis. Also in the bottom left of the page several parts of wikipedia pages related to the word Phototaxis and, of course, Phototaxis synonyms and on the right images related to the word Phototaxis.

Definition of Phototaxis

Phototaxis
Phototaxis Pho`to*tax"is, Phototaxy Pho"to*tax`y, n. [NL. phototaxis; photo- + Gr. ? an arranging.] (Biol.) The influence of light on the movements of low organisms, as various infusorians, the zo["o]spores of certain alg[ae], etc.; also, the tendency to follow definite directions of motion or assume definite positions under such influence. If the migration is toward the source of light, it is termed positive phototaxis; if away from the light, negative phototaxis. -- Pho`to*tac"tic, a. -- Pho`to*tac"tic*al*ly, adv.

Meaning of Phototaxis from wikipedia

- rotation direction and reenter the light. The second type of phototaxis is true phototaxis, which is a directed movement up a gradient to an increasing...
- light source. This reaction or behaviour is called positive phototaxis, since phototaxis refers to a response to light and the organism is moving towards...
- by swimming either towards the light (positive phototaxis) or away from the light (negative phototaxis). A related response ("photoshock" or photophobic...
- mediate light responses as varied as visual perception, phototropism and phototaxis, as well as responses to light-dark cycles such as circadian rhythm and...
- gravitaxis here is countered by phototaxis, which makes the larvae swimming up to the light coming from the surface. Phototaxis is mediated by the rhabdomeric...
- serve as sensory photoreceptors in unicellular green algae, controlling phototaxis: movement in response to light. Expressed in cells of other organisms...
- shade-loving plants that thrive in low light conditions. Photophobia (or photophobic response) may also refer to a negative phototaxis or phototropism response....
- coiled hollow tubule cnidarians eyespot apparatus detects light, allowing phototaxis to take place green algae and other unicellular photosynthetic organisms...
- Sepioteuthis lessoniana, commonly known as the bigfin reef squid, glitter squid or oval squid, is a commercially important species of loliginid squid....
- exhibits positive phototaxis; when it senses light with its eye, it moves toward it. Other e**** nematodes have a negative phototaxis, moving away from...
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