taxi-, tax-, taxo-, taxio-, -taxia, -taxis, -taxy, tact-, -tactic, -tactical, -tactics +

(Greek: arrangement, order, put in order, orientation; the movements or directed responses of motile organisms to stimuli, as indicated by the combining roots)

acroataxia
Ataxia affecting the distal portion of the extremities; such as, hands and fingers, feet, and toes.

Ataxia is the inability to coordinate muscle activity during voluntary movement, so that smooth movements occur.

adelphotaxis, adelphotaxy
1. The tendency of motile cells to assume a particular arrangement, usually a mutual relationship.
2. The mutual attraction between spores after extrusion.
aerotaxis, aerotactic
1. A movement of an organism in response to the presence of molecular oxygen.
2. The directed movement of a motile organism towards (positive) or away from (negative) an air-liquid interface, or a concentration gradient of dissolved oxygen.
ahydrotaxis (s), ahydrotaxes (pl) (nouns)
Organisms or creatures that spontaneously move away from moisture or wet conditions: "There are some ahydrotaxes in nature that are intolerant of or can't exist very long in water or even in prolonged wet or damp environments."
allelotaxis, allelotaxy
1. The formation, during development, of one organ from more than one embryologic structure.
2. Development of a part from several embryonic structures or tissues.
amyotaxia, amyotaxy
Muscular incoordination attributable to cerebellar lesions; ataxia.
anemotaxis
An orientation or movement of a free-living organism in response to wind or air currents.
angioataxia
An irregular tension of the blood vessels.
angiostaxis
1. An obsolete term for the oozing of blood; bleeding.
2. The oozing of blood, as seen in hemophilia.
anthesmotaxis
The organization and arrangement of the various parts of a flower.
anthotaxia, anthotaxy
1. The arrangement or disposition of flowers in a cluster.
2. The science of the relative position of flowers; inflorescence.
aphototaxis (s), aphototaxes (pl) (nouns)
The absence of any response to a light stimulus by an organism that can move: "The aphototaxis of organisms is a condition that is characterized by their failure to react to light; neither moving toward the source of light (positive phototaxis) nor away from it (negative phototaxis)."
apothermotaxis
The absence of a directed response of a motile organism to a thermal (heat) stimulus.
argotaxis, argotactic
Passive movement due to surface tension.
asyntaxia (s), asyntaxias (pl) (nouns)
A situation characterized by a lack of typical or orderly embryonic development: "The research project at the veterinarian school was to understand the asyntaxia of specific bovines including cows and bulls."