HA
hemagglutinin.
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Haalstra’s method
a laboratory procedure for isolating Dermatophilus congolensis from infectious material, based on chemotaxis stimulated by carbon dioxide.
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haarscheiben
tylotrich pad.
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HABA
2-(4?-hydroxyazobenzene) benzoic acid.
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habena
the peduncle of the pineal body.
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habenula
pl. habenulae [L.] 1. any frenulum, especially one of a series of structures in the cochlea. 2. a triangular area in the dorsomedial aspect of the thalamus rostral to the pineal gland.
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habit
1. an action that has become automatic or characteristic by repetition. 2. predisposition; bodily temperament.
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habitat
the environment inhabited by a specific organism or animal.
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habituation
1. the gradual adaptation to a stimulus or to the environment. 2. the extinction of a conditioned reflex by repetition of the conditioned stimulus; called also negative adaptation.
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habitus
[L.] habit, body conformation.
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