| pes gigas | Abnormally large feet. Synonym: megalopodia, pes gigas. Origin: macro-+ G. Pous, foot. (05 Mar 2000) |
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| desulfovibrio | A genus of gram-negative, anaerobic, rod-shaped bacteria capable of reducing sulfur compounds to hydrogen sulfide. Organisms are isolated from anaerobic mud of fresh and salt water, animal intestines, manure, and feces. (12 Dec 1998) |
| desulfovibrio vulgaris | A species of gram-negative, anaerobic, rod-shaped bacteria isolated from soil, animal intestines and feces, and fresh and salt water. (12 Dec 1998) |