Bulbus may refer to:
Anatomy
A
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 du ...
-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 calle ...
*
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
Hemodynamics or haemodynamics are the dynamics of blood flow. The circulatory system is controlle ...
*
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
The duodenal bulb is the portion of the duodenum closest to the stomach. It normally has a length of about 5 centimeters. The duodenal bulb begins at the pylorus and ends at the neck of the gallbladder. It is located posterior to the liver and the ...
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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 ...
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Bulbus oculi
The globe of the eye, or bulbus oculi, is the eyeball apart from its appendages. A hollow structure, the bulbus oculi is composed of a wall enclosing a cavity filled with fluid with three coats: the sclera, choroid, and the retina. Normally, the bu ...
*
Bulbus olfactorius
The olfactory bulb (Latin: ''bulbus olfactorius'') is a neural structure of the vertebrate forebrain involved in olfaction, the sense of smell. It sends olfactory information to be further processed in the amygdala, the orbitofrontal cortex (OFC) ...
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Bulbus penis
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 pili
Hair is a protein filament that grows from follicles found in the dermis. Hair is one of the defining characteristics of mammals.
The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine ...
*
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 ve ...
*
Bulbus vestibuli vaginae
In female anatomy, the vestibular bulbs, bulbs of the vestibule or clitoral bulbs are two elongated masses of erectile tissue typically described as being situated on either side of the vaginal opening. They are united to each other in front by ...
Other
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''Bulbus'' (gastropod), a genus of predatory sea snails
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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 t ...
'' plants
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