Noun
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a rounded dilation or expansion in a canal or vessel or organ
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lower or hindmost part of the brain
continuous with spinal cord
(`bulb' is an old term for medulla oblongata)
"the medulla oblongata is the most vital part of the brain because it contains centers controlling breathing and heart functioning"
- medulla oblongata -
anything with a round shape resembling a teardrop
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a rounded part of a cylindrical instrument (usually at one end)
"the bulb of a syringe"
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electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity
- light bulb - incandescent lamp - electric light - electric light bulb -
a modified bud consisting of a thickened globular underground stem serving as a reproductive structure