bulb
/ˈbʌlb/ noun A2- The bulb-shaped underground portion of a plant such as a tulip, consisting of a shortened stem and many fleshy scale leaves, from which the rest of the plant may be regrown.
- The medulla oblongata.
- Any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end. · the bulb of the aorta
- A light bulb (not necessarily bulbous in shape). · an incandescent bulb· an LED bulb
- A bulbous protuberance at the forefoot of certain vessels to reduce turbulence.
Plural bulbs
From the library
When scent molecules enter the nasal cavity, they stimulate specialized receptors that immediately transmit signals to the olfactory bulb.
What makes the olfactory bulb truly remarkable is its direct physical connection to two vital regions of the limbic system.
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