pho·to·tax·is 
(fō′tō-tăksĭs)
(fō′tō-tăksĭs)n.
The movement of an organism or a cell toward or away from a source of light.
pho′to·tactic (-tăktĭk) adj.
pho′to·tacti·cal·ly adv.
- (Andrew) Bonar
- Andrew Dickson
- Andrew Jackson
- Andrew Jackson, Jr.
- Andrew Newell
- Andrews
- Andrew Taylor
- Andrew William
- Andria
- Andries Wilhelmus Jacobus
- andro
- andro-
- androcentric
- androcentrism
- androcentrist
- Androcles
- Androclus
- androecial
- androecium
- androgen
- androgenesis
- androgenetic
- androgenetic alopecia
- androgenic
- androgenic hormone