| aVL | unipolar limb lead on the left arm in electrocardiography |
|---|---|
| aVR | unipolar limb lead on the right arm in electrocardiography |
| LTAS | lead tetra-acetate Schiff |
| MCL | maximum containment laboratory; medial collateral ligament; midclavicular line; midcostal line; mini... |
| Pb | lead [Lat. plumbum]; phenobarbital; presbyopia |
acute angle
| lead hydroxide stain | <technique> A stain for electron microscopy; after aldehyde fixation, alkaline lead hydroxide preferentially stains RNA, but after OsO4 fixation, it reacts largely with osmium in tissues to give a general stain; in addition to binding to cytomembranes, it also stains carbohydrates (e.g., glycogen). (05 Mar 2000) |
|---|---|
| lead line | Deposits of lead sulfide in the gingiva in areas of chronic inflammation. (05 Mar 2000) |
| lead monoxide | Has been used as an ingredient in external applications such as lead plaster. Synonym: lead oxide (yellow), litharge, massicot. (05 Mar 2000) |
| lead neuropathy | A peripheral neuropathy reportedly seen in chronic lead intoxication; reputedly characterised by wrist-drop, but no convincing modern reports of this are available. (05 Mar 2000) |
| lead oxide | Has been used as an ingredient in external applications such as lead plaster. Synonym: lead oxide (yellow), litharge, massicot. (05 Mar 2000) |
| lead palsy | Paralysis of the extensor muscles of the wrist causing wrist-drop; occurs in lead poisoning. Synonym: lead paralysis. (05 Mar 2000) |
| lead paralysis | Paralysis of the extensor muscles of the wrist causing wrist-drop; occurs in lead poisoning. Synonym: lead paralysis. (05 Mar 2000) |
| lead-pipe rigidity | The plastic type of rigidity resembling that of a pipe of lead seen in certain forms of parkinsonism. (05 Mar 2000) |
| lead poisoning | <pharmacology> An environment hazard (for example, from lead-containing paint, leaded gasoline,etc) capable of causing brain damage. (25 Jun 1999) |
| lead radioisotope | <radiobiology> Unstable isotopes of lead that decay or disintegrate emitting radiation. Lead atoms with atomic weights 194-203, 205, and 209-214 are radioactive lead isotopes. (25 Jun 1999) |
| lead stomatitis | Oral manifestation of lead poisoning consisting of a bluish-black line following the contours of the marginal gingiva where lead sulfide has precipitated due to the inflamed environment. (05 Mar 2000) |
| lead storage battery | <chemistry> A battery (used in cars) in which the anode is lead, the cathode is lead coated with lead dioxide, and the electrolyte is a sulfuric acid solution. (09 Jan 1998) |
| lead sulfide | The native form in which lead is chiefly found. Synonym: galena. (05 Mar 2000) |
| lead tetraethyl | Pb(C2H5)4; tetraethylplumbane;an anti-knock compound added to motor fuel; has a toxic action causing anorexia, nausea, vomiting, diarrhoea, tremors, muscular weakness, insomnia, irritability, nervousness, and anxiety; death may occur. Synonym: lead tetraethyl. (05 Mar 2000) Previous: tetraethylammonium, tetraethylammonium chloride, tetraethylammonium ionNext: tetraethyl lead, tetraethylmonothionopyrophosphatelead tetraethyl -->tetraethyl lead <chemical> Tetraethylplumbane. A highly toxic compound used as a gasoline additive. It causes acute toxic psychosis or chronic poisoning if inhaled or absorbed through the skin. Chemical name: Plumbane, tetraethyl- (12 Dec 1998) |
| lead tetroxide | A bright orange-red powder that turns black when heated; used in ointments and plasters. Synonym: red lead, red oxide of lead. (05 Mar 2000) |