thigmo-, thigm-, thixo- +

(Greek: touch, a touching)


thigmaesthesia, thigmesthesia
Tactile sensibility; perception of touch.
thigmocyte
A blood corpuscle which undergoes cytolysis on contact with a foreign substance; such as, a thrombocyte.
thigmokinesis
1. Movement, or inhibition of movement, in response to contact stimuli.
2. A change in the velocity of linear or angular movement of an organism in response to a contact stimulus.
thigmokinetic
A reference to thigmokinesis or a change in the velocity of linear or angular movement of an organism in response to a touch stimulus.
thigmomorphic
A descriptive word for a change in form as a result of being touched.
thigmomorphosis
1. A change in form due to contact or touch.
2. Structural change due to contact.
thigmonasty, thigmonastic
Touch-induced movements.

The leaves of the momosa plant respond to being touched, shaken, heated, or rapidly cooled. The speed of the responses depend on the magnitude of the stimuli.

One of the more dramatic plant movements is the snapping shut of the leaf of a Venus Flytrap when it detects movement on its surface.

thigmotactic
A reference to an organismic movement towards or away from a mechanical displacement.
thigmotaxis
1. Movement of an organism toward or away from any object that provides a mechanical stimulus or touch.
2. A directed response of a motile organism to a continuous contact with a solid surface.
3. Taxis, or movement, in response to touch stimulus.
thigmotherm, thigmothermy
An animal that draws heat into its body from contact with a warm object in its environment.
thigmothermic
A reference to an animal that draws heat into its body from contact with a warm object in its environment.
thigmotropic
A description of a response to touch or a contact stimulus.
thigmotropism
1. An orientation response to touch or a contact stimulus.
2. The orientation of an organism in response to a mechanical displacement.
3. Growth curvature in response to a contact stimulus found in clinging plant organs.
4. A tendency of an organism or part of an organism to bend or to turn in response to a touch stimulus; such as, a vine coiling around a string support.
thixophobia
An irrational dread of touching or of being touched.
thixotropic
A reference to or characterized by thixotropy.

Many gels and colloids are thixotropic materials, exhibiting a stable form at rest but becoming fluid when agitated.


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