MacConkey Agar — 7102 For the isolation and differentiation of Gram-negative enteric bacilli

MacConkey Agar with Sorbitol — 7320 For the isolation of pathogenic Escherichia coli

MacConkey Agar without Crystal Violet — 7236 For the isolation and differentiation of Gram-negative enteric bacilli

MacConkey Agar without CV & Salt — 7378 For the isolation and differentiation of Gram-negative enteric bacilli from specimens containing swarming strains of Proteus spp.

MacConkey Agar, CS — 7391 For the isolation and differentiation of Gram-negative enteric bacilli from specimens containing swarming strains of Proteus spp.

MacConkey Broth — 7185 For the detection of coliform bacteria in milk and water

Malt Agar — 7456 For the cultivation of fungi

Malt Extract — 7341 Dehydrated extract of malt for use in preparing microbiological culture media

Mannitol Salt Agar — 7143 For the isolation of staphylococci

Maximum Recovery Diluent (Peptone Saline Diluent) — 7658 For maintaining the viability of organisms during dilution procedures

M-Broth — 7296 For the cultivation of Salmonella spp.

m-Endo Agar — 7724 For the enumeration of coliforms in water by the membrane filtration method

m-Endo Broth — 7723 For enumerating coliforms in water by the membrane filtration method

m-Enterococcus Agar — 7544 For the selective isolation and enumeration of enterococci by membrane filtration

m-FC Agar — 7397 For use with rosolic acid for the detection and enumeration of fecal coliforms by membrane filtration

m-FC Broth — 7396 For use with rosolic acid for the detection and enumeration of fecal coliforms by membrane filtration

M-Green Yeast and Fungi Broth — 7190 For the detection of fungi in beverages

m-HPC Agar — 7690 For the heterotrophic plate counts on potable water, recreational water, and other water samples by filtration method

Middlebrook 7H11 Agar — 7244 For use with glycerol and OADC enrichment for the cultivation of Mycobacterium spp.

Milk Plate Count Agar — 7703 For the isolation and enumeration of microorganisms in milk and dairy products

MIO Medium — 7389 For the differentiation of microorganisms on the basis of motility, ornithine decarboxylase activity and indole production

Mitis Salivarius Agar — 7277 For the isolation of Streptococcus mitis, Streptococcus salivarius and enterococci

m-LGA (Membrane Lactose Glucuronide Agar) — 7721 For the differentiation and enumeration of E. coli and other coliforms through the membrane filtration technique

Modified Oxford Listeria Supplement — 7991 Each vial supplements 500 mL of Oxford Listeria Agar

Motility Test Agar — 7247 For the differentiation of microorganisms on the basis of motility

MRSA Agar Base — 7420 For the determination of methicillin-resistant and oxacillin-resistant (heteroresistant) staphylococci

MR-VP Broth — 7237 For the differentiation of microorganisms on the basis of acid or acetylmethyl carbinol production (MR-VP Reaction)

m-TEC Agar — 7421 For use with urea for the isolation and enumeration of thermotolerant E. coli from water using membrane filtration

m-TGE Broth — 7451 For the determination of bacterial counts using membrane filtration

Mueller Hinton Agar — 7101 For use in antimicrobial susceptibility testing by the disk diffusion method. Conforms to NCCLS

Mycobiotic Agar — 7419 For the selective isolation of pathogenic fungi from clinical materials

Mycological Agar — 7309 For the cultivation of fungi