Bulbus

Bulbus may refer to:

Anatomy
A bulb-shaped anatomical structure, including:
 * bulbus, an archaic term for the medulla oblongata, as used for example in the term corticobulbar tract
 * Bulbus arteriosus
 * Bulbus cordis
 * Bulbus duodeni
 * Bulbus glandis
 * Bulbus oculi
 * Bulbus olfactorius
 * Bulbus penis
 * Bulbus pili
 * Bulbus urethrae
 * Bulbus vestibuli vaginae

Other

 * Bulbus (gastropod), a genus of predatory sea snails
 * Bulbus fritillariae cirrhosae, from Fritillaria plants