bulbo-

(Greek > Latin: onion, bulbous root, bulb; ball-shaped part of the stem of certain plants; such as, onions, tulips etc, from which their roots grow)

bulbaceous
Producing or growing from bulbs.
bulboid, bulbiform
Shaped like a bulb.
bulbous
1. Resembling a bulb in shape; rounded or swollen; such as, a bulbous nose or a bulbous stem base.
2. Plants bearing bulbs or growing from a bulb.
bulbus
An anatomic nomenclature for a rounded mass or enlargement.
olfactory bulb
1. One of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavities.
2. A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve on the under surface of the frontal lobe of each cerebral hemisphere of the brain just above the nasal cavity.