| penicillium chrysogenum | A deuteromycetous fungal species used in the production of penicillin. (12 Dec 1998) |
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| penicillin penicillium | <chemistry> Any of many natural or partly synthetic peptidoglycan. (09 Oct 1997) |
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| Penicillium | A genus of fungi (class Ascomycetes, order Aspergillales), species of which yield various antibiotic substances and biologicals; e.g., citrinum yields citrinin; Penicillium claviforme, Penicillium expansum, and Penicillium patulum yield patulin; Penicillium chrysogenum yields penicillin; Penicillium griseofulvum yields griseofulvin; Penicillium notatum yields penicillin and notatin; Penicillium cyclopium and Penicillium puberulum yield penicillic acid; Penicillium purpurogenum and Penicillium rubrum yield rubratoxin. Penicillium marneffei is a true pathogen in Southeast Asia and in the bamboo rats. Origin: see penicillus (05 Mar 2000) |
| deuteromycetes penicillium | A class of fungi known asimperfect fungi. The members of this class, which includes Penicillium and Aspergillus and otherfungi important in medicine and food science, all lack a sexual stage but are otherwise unrelated to each other. (09 Oct 1997) |