17 results found

Search Results for: tonic

Bitter tonic

Bitter tonic a tonic of bitter taste, such as quinine, gentian, quassia, etc., which acts chiefly by stimulating the... Read More

Tonic contraction

tonic contraction Sustained contraction of a muscle, as employed in the maintenance of... Read More

Tonic contractions

tonic contraction Sustained contraction of a muscle, as employed in the maintenance of... Read More


tonic 1. Producing and restoring the normal tone. 2. Characterised by continuous tension. 3. A term formerly used for a... Read More

Tonic control

tonic control nerve impulses that maintain a normal tonus or level of activity in muscle or other effector... Read More

Cardiotonic agent

Cardiotonic agent agents that have a tonic effect on the heart or increase cardiac output. They may be glycosidic steroids... Read More


Isotonic Definition What does isotonic mean? The term "isotonic" is used in physiology, anatomy, and physical chemistry.... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Tetanic convulsions

tetanic convulsion --> tonic convulsion A convulsion in which muscle contraction is sustained. Synonym: tetanic convulsion,... Read More


Definition noun (pharmacology) A bitter, crystalline, alkaloid powder extracted from Cinchona bark used for medical purposes... Read More


tetanus 1. An acute, often fatal infectious disease caused by the anaerobic, spore forming bacillus clostridium tetani, the... Read More


Absence paroxysmal attacks of impaired consciousness, occasionally accompanied by spasm or twitching of cephalic muscles,... Read More


Dock 1. (Science: botany) a genus of plants (Rumex), some species of which are well-known weeds which have a long taproot... Read More

Twitch muscle

twitch muscle (Science: physiology) striated muscle innervated by a single motoneuron and having an electrically excitable... Read More


Definition noun An assessment test performed to evaluate the upper extremity tonic balance (e.g. the functional integrity of... Read More


Key to fasten or secure firmly; to fasten or tighten with keys or wedges. To key up. to raise the pitch of. Hence, fig, to... Read More

Medicinal plant

Definition noun Any plant whose roots, leaves, seeds, bark, or plant part is used for therapeutic, tonic, purgative, or... Read More