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A family of bisegmented, double-stranded RNA viruses causing infection in fish, mollusks, fowl, and Drosophila. There are three genera: AQUABIRNAVIRU…

A genus of the family Bovidae having two species: B. bison and B. bonasus. This concept is differentiated from BUFFALOES, which refers to Bubalus arn…

A genus of Viperinae subfamily. Bitis snakes are found in Africa and Arabia. Bitis includes African puff adder (Bitis arietans) and horned adder (Bit…

A class in the phylum MOLLUSCA comprised of mussels; clams; OYSTERS; COCKLES; and SCALLOPS. They are characterized by a bilaterally symmetrical hinge…

A plant family of the order Violales, subclass Dilleniidae, class Magnoliopsida. Bixa contains bixin. Cochlospermum contains arjunolic acid and gum k…

A species of POLYOMAVIRUS apparently infecting over 90% of children but not clearly associated with any clinical illness in childhood. The virus rema…

A venomous New World spider with an hourglass-shaped red mark on the abdomen.

A genus of aquatic fungi of the family Blastocladiaceae, order Blastocladiales, used in the study of zoospore formation.

A phylum of flagellated fungi, formerly the order Blastocladiales under CHYTRIDIOMYCOTA.

A suborder of protozoa of the class LOBOSEA.

A genus of protozoa of the suborder BLASTOCYSTINA. It was first classified as a yeast but further studies have shown it to be a protozoan.

A species of parasitic protozoa found in the intestines of humans and other primates. It was classified as a yeast in 1912. Over the years, questions…

A genus of onygenacetous mitosporic fungi whose perfect state is Ajellomyces (see ONYGENALES). The species Blastomyces dermatitidis (perfect state is…

A family of insects in the order Dictyoptera (COCKROACHES), including genera Blattella, Parcoblatta, and Symploce.

A plant genus of the family SAPINDACEAE. Members contain hypoglycins and ackee oil.

Infectious organisms, including pathogenic bacteria, viruses, and fungi, that are present in the BLOOD.

Several species of the genus Vaccinium which produce the edible blueberry fruit.

The type species of ORBIVIRUS causing a serious disease in sheep, especially lambs. It may also infect wild ruminants and other domestic animals.

A genus in the subfamily PARVOVIRINAE comprising three species: Bovine parvovirus, Canine minute virus, and HUMAN BOCAVIRUS.

A plant genus of the family URTICACEAE. Members contain cryptopleurine, beta-sitosterol, daucosterol and 19 alpha-hydroxyursolic acid.

A family of snakes comprising the boas, anacondas, and pythons. They occupy a variety of habitats through the tropics and subtropics and are arboreal…

A plant family of the order Malvales, subclass Dilleniidae, class Magnoliopsida of tropical trees.

A plant genus of the family BOMBACACEAE. The fine silky hairs covering the seeds have been used like kapok (CEIBA) for floatation, stuffing, and insu…

A genus of silkworm MOTHS in the family Bombycidae of the order LEPIDOPTERA. The family contains a single species, Bombyx mori from the Greek for sil…

A plant genus of the family CONVOLVULACEAE. Members contain bonaspectins (tetrahydrofuran-type sesqui-lignans).

The Borage plant family is in the class Magnoliopsida, subclass Asteridae, order Lamiales. It is characterized by hairy foliage, usually alternate an…

A plant genus of the family BORAGINACEAE.

A species of PESTIVIRUS causing a congenital sheep disease characterized by an abnormally hairy birth-coat, tremors, and poor growth.

A genus of gram-negative aerobic bacteria whose cells are minute coccobacilli. It consists of both parasitic and pathogenic species.

A species of BORDETELLA isolated from the respiratory tracts of TURKEYS and other BIRDS. It causes a highly contagious bordetellosis.