| tonic reflex | The occurrence of an appreciable interval after the production of a reflex before relaxation, e.g., the leg remains up for a time after a knee jerk. Synonym: Gordon's symptom. (05 Mar 2000) |
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| multiple symmetric lipomatosis | Accumulation and progressive enlargement of collections of adipose tissue in the subcutaneous tissue of the head, neck, upper trunk, and upper portions of the upper extremities; seen primarily in adult males and of unknown cause. Synonym: Launois-Bensaude syndrome, Madelung's disease, symmetric adenolipomatosis. (05 Mar 2000) |
| pseudo-symmetric | <chemistry> Exhibiting pseudo-symmetry. Source: Websters Dictionary (01 Mar 1998) |
| symmetric adenolipomatosis | Accumulation and progressive enlargement of collections of adipose tissue in the subcutaneous tissue of the head, neck, upper trunk, and upper portions of the upper extremities; seen primarily in adult males and of unknown cause. Synonym: Launois-Bensaude syndrome, Madelung's disease, symmetric adenolipomatosis. (05 Mar 2000) |
| symmetric asphyxia | <syndrome> Idiopathic paroxysmal bilateral cyanosis of the digits due to arterial and arteriolar contraction; caused by cold or emotion. See: Raynaud's phenomenon. Synonym: Raynaud's disease, symmetric asphyxia. (05 Mar 2000) |
| symmetric distal neuropathy | <neurology> A disease process involving a number of peripheral nerves. Origin: Gr. Pathos = disease (14 Oct 1997) |
| symmetric disulfide | Disulfide that is symmetric on both sides of the -s-s- linkage; i.e., disulfide formed from identical thiol-containing compounds; e.g., cystine, glutathione disulfide. (05 Mar 2000) |
| bitter tonic | A tonic of bitter taste, such as quinine, gentian, quassia, etc., which acts chiefly by stimulating the appetite and improving digestion. (05 Mar 2000) |
| generalised tonic-clonic epilepsy | tonic-clonic seizure |
| generalised tonic-clonic seizure | <neurology> A type of seizure that results in loss of consciousness, generalised muscle contractions, urinary incontinence, tongue biting and a post-ictal state (confusion and lethargy) following cessation of the seizure. Synonym: grand-mal seizure. See: epilepsy. (03 Jul 1999) |
| secondarily generalised tonic-clonic seizure | A generalised tonic-clonic seizure that begins with a partial seizure and evolves into a generalised tonic-clonic seizure. (05 Mar 2000) |
| tonic | 1. Producing and restoring the normal tone. 2. Characterised by continuous tension. 3. A term formerly used for a class of medicinal preparations believed to have the power of restoring normal tone to tissue. Origin: Gr. Tonikos (18 Nov 1997) |
| tonic-clonic seizure | <neurology> A type of seizure that results in loss of consciousness, generalised muscle contractions, urinary incontinence, tongue biting and a post-ictal state (confusion and lethargy) following cessation of the seizure. Synonym: grand-mal seizure. See: epilepsy. (03 Jul 1999) |
| tonic contraction | Sustained contraction of a muscle, as employed in the maintenance of posture. (05 Mar 2000) |
| tonic control | Nerve impulses that maintain a normal tonus or level of activity in muscle or other effector organs. (05 Mar 2000) |