Bulbus may refer to:

Anatomy

bulb In botany, a bulb is structurally a short 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 In neuroanatomy, 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, which are part of the brainstem's medulla oblongata (also call ...

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 bony "loops" present in fish, ...

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 i ...

* Bulbus oculi * Bulbus olfactorius * Bulbus penis * Bulbus pili *

Bulbus urethrae Just before each crus of the penis meets its fellow, it presents a slight enlargement, which Georg Ludwig Kobelt named the bulb of the corpus cavernosum penis. The bulb of penis is also known as the urethral bulb. The bulb is homologous to the v ...

* Bulbus vestibuli vaginae

Other

* ''Bulbus'' (gastropod), a genus of predatory sea snails *

Bulbus fritillariae cirrhosae ''Bulbus fritillariae cirrhosae'' () is the bulb of the Himalayan frillitary lily (''Fritillaria cirrhosa''). It is used extensively in Chinese herbology. For example, in the ''Baihe Gujin Wan'', it is used to "nourish yin Yin may refer to: *th ...

, from ''

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

'' plants {{dab