Bulbus may refer to:

Anatomy

bulb In botany, a bulb is a short underground stem with fleshy leaves or leaf basesBell, A.D. 1997. ''Plant form: an illustrated guide to flowering plant morphology''. Oxford University Press, Oxford, U.K. that function as food storage organs duri ...

-shaped anatomical structure, including: *''bulbus'', an archaic term for the

medulla oblongata The medulla oblongata or simply medulla is a long stem-like structure which makes up the lower part of the brainstem. It is anterior and partially inferior to the cerebellum. It is a cone-shaped neuronal mass responsible for autonomic (involun ...

, as used for example in the term

corticobulbar tract The corticobulbar (or corticonuclear) tract is a two-neuron white matter motor pathway connecting the motor cortex in the cerebral cortex to the Medullary pyramids (brainstem), medullary pyramids, which are part of the brainstem's medulla oblonga ...

Bulbus arteriosus In the circulatory system of fish, the bulbus arteriosus is a pear shaped chamber that functions as a capacitor, maintaining continuous blood flow into the gill arch Branchial arches or gill arches are a series of paired bony/ cartilaginous "lo ...

Bulbus cordis The bulbus cordis (the bulb of the heart) is a part of the developing heart that lies ventral to the primitive ventricle after the heart assumes its S-shaped form. The superior end of the bulbus cordis is also called the conotruncus. Structure ...

* Bulbus duodeni *

Bulbus glandis The bulbus glandis (also called a bulb or knot) is an erectile tissue structure on the penis of canid mammals. During mating, immediately before ejaculation the tissues swell up to lock ('' tie'') the male's penis inside the female. The locking ...

* 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 ''Fritillaria'' (fritillaries) is a genus of spring flowering herbaceous bulbous perennial plants in the lily family (biology), family (Liliaceae). The type species, ''Fritillaria meleagris'', was first described in Europe in 1571, while other ...

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