=Talcum Purificatum (Talc. Purif.), Purified Talc, U.S.P.=--A purified native hydrous magnesium silicate, sometimes containing a small amount of aluminum silicate. A fine white or nearly white, odorless, tasteless powder, which adheres to the skin and is slippery to the touch. ACTION AND USES: Used as a dusting powder, and as a clarifying agent in pharmacy. =Tamarindus (Tamarind.), Tamarind, N.F.=--The preserved pulp of the fruit. ACTION AND USES: Mildly laxative. When infused with water, yields an agreeable acid drink. DOSAGE: 15 Gm. or 4 drachms (N.F.). =Taraxacum (Tarax.), Taraxacum, U.S.P.= (Dandelion).--Rhizome and roots. ACTION AND USES: Has been used as a bitter tonic (without advantage over gentian) and as a mild laxative in habitual constipation (inferior to drugs like cascara sagrada); has no specific action on the liver. DOSAGE: 10 Gm. or 2-1/2 drachms (U.S.P.). _Elixir Taraxaci Compositum (Elix. Tarax. Co.), Compound Elixir of Taraxacum, N.F._--Fluidextract of taraxacum (3.5%), fluidextract of wild cherry (2%), fluidextract of glycyrrhiza, tincture of sweet orange peel, tincture of cinnamon, compound tincture of cardamom and aromatic elixir. Absolute alcohol content, about 28 per cent. DOSAGE: 8 Cc. or 2 fluidrachms (N.F.). _Extractum Taraxaci (Ext. Tarax.), Extract of Taraxacum, U.S.P._--A pilular extract. DOSAGE: 1 Gm. or 15 grains (U.S.P.). _Fluidextractum Taraxaci (Fldext. Tarax.), Fluidextract of Taraxacum, U.S.P._ (Fluidextract of Dandelion).--Taraxacum (100%). Absolute alcohol content about 40 per cent. DOSAGE: 10 Cc. or 2-1/2 fluidrachms (U.S.P.). =Terebenum (Tereben.), Terebene, U.S.P.=--Obtained from oil of turpentine by the action of concentrated sulphuric acid. A colorless, thin liquid, having a thyme-like odor and an aromatic taste. Only slightly soluble in water; soluble in alcohol (1:3). ACTION AND USES: Expectorant resembling oil of turpentine, but more pleasant in odor. DOSAGE: 0.25 Cc. or 4 minims (U.S.P.). =*Terebinthina (Terebinth.), Turpentine, N.F.=--A solid oleoresin obtained from pine. ACTION AND USES: Rubefacient; without advantage over turpentine oil. =Terebinthina Laricis (Terebinth. Laric.), Venice Turpentine, N.F.= (Larch Turpentine).--A viscid oleoresin obtained from European larch. ACTION AND USES: Similar to those of turpentine; now seldom used. _Petroxolinum Terebinthinae Laricis (Petrox. Terebinth. Laric.), Venice Turpentine Petroxolin, N.F._ (Venice Turpentine Petrox).--Venice turpentine (20%) in liquid petroxolin. =*Terpini Hydras (Terpin. Hyd.), Terpin Hydrate, U.S.P.= Colorless, lustrous, nearly odorless crystals, having a slightly aromatic and somewhat bitter taste. Slightly soluble in water (1:200) and soluble in alcohol (1:13). ACTION AND USES: Antiseptic, diaphoretic, diuretic; largely used as an expectorant in cases accompanied by free bronchial secretion.