bulb


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Related to bulb: Cfl bulb

bulb

 [bulb]
a rounded mass or enlargement. adj., adj bul´bar.
bulb of aorta the enlargement of the aorta at its point of origin from the heart.
auditory bulb the membranous labyrinth and cochlea.
bulb of eye eyeball.
gustatory b's taste buds.
hair bulb the bulbous expansion at the proximal end of a hair, in which the hair shaft is generated.
inferior bulb of jugular vein a dilatation of the internal jugular vein just before it joins the brachiocephalic vein.
Krause's bulb end-bulb.
olfactory bulb the bulblike expansion of the olfactory tract on the under surface of the frontal lobe of each cerebral hemisphere.
bulb of penis bulb of urethra.
superior bulb of jugular vein a dilatation at the beginning of the internal jugular vein.
taste b's taste buds.
bulb of urethra the enlarged proximal part of the corpus spongiosum.
bulb of vestibule (vestibulovaginal bulb) a body consisting of paired masses of erectile tissue, situated one on either side of the vaginal orifice.

bulb

(bŭlb), [TA]
1. Any globular or fusiform structure. Synonym(s): bulbus [TA]
2. A short, vertical underground stem of plants, such as onion and garlic.
[L. bulbus, a bulbous root]

bulb

(bulb) a rounded mass or enlargement.bul´bar
bulb of aorta  the enlargement of the aorta at its point of origin from the heart.
bulb of corpus spongiosum  b. of penis.
bulb of hair  the bulbous expansion at the proximal end of a hair in which the hair shaft is generated.
olfactory bulb  the bulblike expansion of the olfactory tract on the under surface of the frontal lobe of each cerebral hemisphere; the olfactory nerves enter it.
onion bulb  in neuropathology, a collection of overlapping Schwann cells resembling the bulb of an onion, encircling an axon that has become demyelinated; seen when an axon has repeatedly become demyelinated and remyelinated.
bulb of penis , bulb of urethra the enlarged proximal part of the corpus spongiosum.
bulb of vestibule of vagina , vestibulovaginal bulb a body consisting of paired masses of erectile tissue, one on either side of the vaginal opening.

bulb

(bŭlb)
n.
1. A rounded projection or part: the bulb of a syringe.
2. Anatomy A rounded dilation or expansion of a canal, vessel, or organ.

bulb

Etymology: L, bulbus, swollen root
any rounded structure, such as the eyeball, hair roots, and certain sensory nerve endings.

bulb

(bŭlb)
1. Any rounded, globular, or fusiform structure.
Synonym(s): bulbus [TA] .
2. A short, vertical, underground stem of plants, such as onions and garlic.
[L. bulbus, a bulbous root]
Fig. 84 Bulb. Vertical section.click for a larger image
Fig. 84 Bulb . Vertical section.

bulb

a short, specialized underground stem in which nutrients (particularly sugars) are stored in fleshy scale leaves overlapping the stem. One or more buds are present in the AXILS of the scale leaves and in the spring these develop into new shoots, utilizing the stored food material. Examples of plants producing bulbs are onion, tulip and hyacinth.

bulb

(bŭlb)
Any globular or fusiform structure.
[L. bulbus, a bulbous root]

bulb

1. a rounded mass or enlargement.
2. medulla oblongata.

aortic bulb
the enlargement of the aorta at its point of origin from the heart.
auditory bulb
the membranous labyrinth and cochlea.
eye bulb
the eyeball.
gustatory b's
taste buds.
hair bulb
the bulbous expansion at the proximal end of a hair, in which the hair shaft is generated.
heel bulb
the swollen part of the hoof wall and adjacent soft tissue at the back of the hoof characterized by a periople which is wider than at any other part of the hoof.
Krause's b's
olfactory bulb
see olfactory bulb.
penile bulb
see penile bulb.
taste b's
taste buds.
urethral bulb
the enlarged proximal part of the corpus spongiosum.
vestibular bulb, vestibulovaginal bulb
a body consisting of paired masses of erectile tissue, situated one on either side of the vaginal orifice.
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