| heme | 1. <biochemistry> Compounds of iron complexed in a porphyrin (tetrapyrrole) ring that differ in side chain composition. Haems are the prosthetic groups of cytochromes and are found in most oxygen carrier proteins. 2. <prefix> haem-, eaning relating to blood. Origin: G. Haima (21 Jun 2000) |
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| gingival pocket | An abnormal extension of a gingival sulcus not accompanied by the apical migration of the epithelial attachment. (12 Dec 1998) |
| periodontal pocket | An abnormal extension of a gingival sulcus accompanied by the apical migration of the epithelial attachment and bone resorption. (12 Dec 1998) |
| 1. A bag or pouch; especially; a small bag inserted in a garment for carrying small articles, particularly money; hence, figuratively, money; wealth. 2. One of several bags attached to a billiard table, into which the balls are driven. 3. A large bag or sack used in packing various articles, as ginger, hops, cowries, etc. In the wool or hop trade, the pocket contains half sack, or about 168 Ibs.; but it is a variable quantity, the articles being sold by actual weight. 4. A hole or space covered by a movable piece of board, as in a floor, boxing, partitions, or the like. 5. <chemical> A cavity in a rock containing a nugget of gold, or other mineral; a small body of ore contained in such a cavity. A hole containing water. 6. <zoology> Same as Pouch. Pocket is often used adjectively, or in the formation of compound words usually of obvious signification; as, pocket comb, pocket compass, pocket edition, pocket handkerchief, pocket money, pocket picking, or pocket-picking, etc. Out of pocket. See Out, Pocket borough, a borough "owned" by some person. See Borough. Pocket gopher, a sheriff appointed by the sole authority of the crown, without a nomination by the judges in the exchequer. Origin: OE. Poket, Prov. F. & OF. Poquette, F. Pochette, dim. Fr. Poque, pouque, F. Poche; probably of Teutonic origin. See Poke a pocket, and cf. Poach to cook eggs, to plunder, and Pouch. Source: Websters Dictionary (01 Mar 1998) |
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| Seessel's pocket | The part of the embryonic foregut extending cephalad to the level of the oral plate and caudal to the pituitary diverticulum (Rathke's pouch). Synonym: preoral gut. (05 Mar 2000) |
| subcrestal pocket | A pocket extending apically below the level of the adjacent alveolar crest. Synonym: infrabony pocket, intrabony pocket. (05 Mar 2000) |
| Troltsch's pocket | Synonym: anterior recess of tympanic membrane, posterior recess of tympanic membrane. (05 Mar 2000) |