| culture medium | A substance, either solid or liquid, used for the cultivation, isolation, identification, or storage of microorganisms. Synonym: growth medium, medium, nutrient medium. (05 Mar 2000) |
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| Dorset's culture egg medium | A medium for cultivating Mycobacterium tuberculosis; it consists of the whites and yolks of four fresh eggs and a solution of sodium chloride. (05 Mar 2000) |
| Loeffler's blood culture medium | A culture medium consisting of beef blood serum, sheep blood serum, and beef bouillon containing peptone, glucose, and sodium chloride; used for the isolation of Corynebacterium diphtheriae. (05 Mar 2000) |
| Lowenstein-Jensen culture medium | Primary mycobacterial recovery media composed of fresh whole eggs, defined salts, glycerol, potato flour, and malachite green (as an inhibitory agent). Synonym: Lowenstein-Jensen medium. (05 Mar 2000) |
| absorbable gelatin film | A sterile, nonantigenic, absorbable, water-insoluble, thin sheet of gelatin prepared by drying a gelatin-formaldehyde solution on plates; used in the closure and repair of defects in membranes such as the dura mater or the pleura; it undergoes absorption over a period of 1 to 6 months. (05 Mar 2000) |
| absorbable gelatin sponge | A sterile, absorbable, water-insoluble gelatin base sponge, used to control capillary bleeding in surgical operations; it is left in situ and is absorbed in from 4 to 6 weeks. (05 Mar 2000) |
| vegetable gelatin | A substance similar to gelatin, obtained from gluten. (05 Mar 2000) |
| gelatin | <protein> Heat denatured collagen. (18 Nov 1997) |
| gelatin sponge, absorbable | <chemical> Sterile, gelatin-base surgical sponge applied topically as an adjunct to haemostasis when the control of bleeding by conventional procedures is ineffective to reduce capillary ooze or is impractical. Pharmacological action: haemostatics. (12 Dec 1998) |
| gelatin sugar | <amino acid, physiology> The simplest amino acid. It is a common residue in proteins, especially collagen and elastin and is not optically active. It is also a major inhibitory neurotransmitter in spinal cord and brainstem of vertebrate central nervous system. (18 Nov 1997) |
| glycerinated gelatin | A preparation made of equal parts of gelatin and glycerin; a firm mass liquefying at gentle heat; it is used as a vehicle for suppositories and urethral bougies. Synonym: glycerin jelly, glycerogelatin, glycogelatin. (05 Mar 2000) |
| Guarnieri's gelatin agar | A type of agar, similar to Stoddart's gelatin agar, used for the cultivation of Streptococcus pneumoniae. (05 Mar 2000) |
| Irish moss gelatin | Gelatin extracted from Irish moss; used to make the mucilage of Irish moss that is used as a substitute for gum arabic in making emulsions. (05 Mar 2000) |
| zinc gelatin | Zinc oxide, gelatin, glycerin, and purified water; used topically as a protectant. (05 Mar 2000) |
| basal medium | <cell culture> An unsupplemented medium which promotes the growth of many types of microorganisms which do not require any special nutrient supplements. (15 Nov 1997) |