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A species of hydatid tapeworm (class CESTODA) in the family Taeniidae, whose adult form infects the DIGESTIVE TRACT of DOGS, other canines, and CATS.…

A north temperate species of tapeworm (CESTODA) whose adult form infects FOXES and wild RODENTS. The larval form can infect humans producing HEPATIC …

A phylum of the most familiar marine invertebrates. Its class Stelleroidea contains two subclasses, the Asteroidea (the STARFISH or sea stars) and th…

A plant genus of the family ASTERACEAE. Members contain a pseudoguaiane sesquiterpene. San-fang-feng is the root of E. grijisii used in DRUGS, CHINES…

A genus of intestinal flukes of the family Echinostomatidae which consists of many species. They occur in man and other vertebrates. The intermediate…

A family of flukes (TREMATODA) characterized by a collar of spines at their anterior end. The body is elongated and is covered with spines, and the t…

A genus of vipers found in Africa, Arabia and India. Echis snakes include venomous saw-scale viper and carpet viper.

A plant genus of the family BORAGINACEAE. Members contain GAMMA-LINOLENIC ACID and PYRROLIZIDINE ALKALOIDS.

A species of ENTEROVIRUS that has caused outbreaks of aseptic meningitis in children and adults.

A species of ENTEROVIRUS associated with outbreaks of aseptic meningitis (MENINGITIS, ASEPTIC).

A plant genus of the family ASTERACEAE. Members contain wedelolactone.

A genus of vibrioid or rod-shaped cells which are motile by polar flagella. Internal photosynthetic membranes are present as lamellar stacks and cont…

A species of ECTOTHIORHODOSPIRA distinguished by its ability to utilize nitrate. (From Bergey's Manual of Determinative Bacteriology, 9th ed)

A family in the order Chromatiales, class GAMMAPROTEOBACTERIA. These are haloalkaliphilic, phototrophic bacteria that deposit elemental sulfur outsid…

A species of ORTHOPOXVIRUS infecting mice and causing a disease that involves internal organs and produces characteristic skin lesions.

SEEDS used as a major nutritional source, most often the grain from the POACEAE family.

Organisms of the INSECTA class that are used as food or are suitable as a nutritional source, especially by humans.

Various seaweeds either wild-harvested or cultured (AQUACULTURE) for direct human consumption.

A genus of small, straight gram-negative rods which are facultatively anaerobic, chemoorganotrophic, and usually motile by peritrichous flagella. Mem…

A species of EDWARDSIELLA distinguished by its nonmotility. (From Bergey's Manual of Determinative Bacteriology, 9th ed)

A species of EDWARDSIELLA distinguished by its hydrogen sulfide production. (From Bergey's Manual of Determinative Bacteriology, 9th ed)

Common name for an order (Anguilliformes) of voracious, elongate, snakelike teleost fishes.

Small, often pleomorphic, coccoid to ellipsoidal organisms occurring intracytoplasmically in circulating LYMPHOCYTES. They are the etiologic agents o…

Species of gram-negative bacteria in the family ANAPLASMATACEAE, causing EHRLICHIOSIS in DOGS. The most common vector is the brown dog tick. It can a…

A species of gram-negative bacteria that is the causative agent of human EHRLICHIOSIS. This organism was first discovered at Fort Chaffee, Arkansas, …

A species of gram-negative bacteria in the family ANAPLASMATACEAE, that causes HEARTWATER DISEASE in ruminants.

A plant genus of the family PONTEDERIACEAE that is used as a biological filter for treating wastewater.

A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs in the human mouth and intestine. Organisms of this genus can be o…

Gram-negative bacteria isolated from infections of the respiratory and intestinal tracts and from the buccal cavity, intestinal tract, and urogenital…

A genus of protozoan parasites of the subclass COCCIDIA. Various species are parasitic in the epithelial cells of the liver and intestines of man and…