filament, respiratory center

light bulb, fluorescent lamp, lightbulb, incandescent lamp, lamp, poinsettia, candle, easter lily, houseplant, sconce, amaryllis, flower stalk, luminaire, photocell, corm, halogens, wattages, streetlamp, streetlight, seedlings, candleholder, bract, ballasts, ixora, cold cathode, tulip, fruitlets, tuber, cfl, vase, rootbound, rhizome, water heater, pachysandra, hippeastrum, watt, saucer magnolia, petioles, scotch pine, oxalis, colchicum, incandescent, leaf, euphorbia, catkin, inverter, polyanthus, filament, tree, gloxinia, phalaenopsis, crocus, flower, cyclamen, lights, flower bud, bulbils, moth orchid, cloves, lantern, immersion heater, croton, vinca minor, phototransistor, acer palmatum, tillandsia, blooms, reflector, shrubs, lumens, dracaena, socket, lamp shade, abutilon, wiper blade, dehumidifier, dogwood, culms, liquidambar, hollies, orchid cactus, groundcover, cymbidium, soilless, sweet woodruff, cattleya, arborvitae, scilla, poinciana, ammeter, pistils, mullein, candelas, seedpod, liriope, casement window, anthurium, bearded iris, nightlight, glads, muscari, evaporative cooler, bulbs, globe, box, canister, knob, rectangle, tube, balloon, bobbin, cord, spool, bead, bolt, cone, flashlight, flask

bulbil, bulblet, onion, shallot, squill

., ail, allium ampeloprasum, allium cepa, allium porrum, allium sativum, allium sphaerocephalum, allium tricoccum, amianthum muscaetoxicum, amianthum muscitoxicum, arteria bulbi penis, arteria bulbi vestibuli, artery of the penis bulb, artery of the vestibule bulb, baster, bulbed, bulbil, bulblet, bulblike, bulbous, bulbous iris, bulbous plant, camassia quamash, chinese water chestnut, clove, common camas, corm, cortinarius corrugatus, dropper, dry-bulb thermometer, electric-light bulb, electric light, eleocharis dulcis, evacuate, exhaust, eye dropper, fly poison, garlic, garlic clove, green onion, hyacinthus orientalis albulus, hygrodeik, implosion, incandescent, incandescent lamp, kurrat, lampshade, lamp shade, leek, levant garlic, lightbulb, light bulb, liliaceous plant, mercury-in-glass thermometer, mercury thermometer, night-light, onion, onion dome, onion plant, psychrometer, ramp, roman hyacinth, round-headed leek, scallion, sea onion, sea squill, shallot, spring onion, squill, urginea maritima, vena bulbi vestibuli, water chestnut, wet-bulb thermometer, wild leek

hindbrain, rhombencephalon, syringe

anatomical structure, bodily structure, body structure, complex body part, electric lamp, neural structure, part, portion, stalk, stem, structure

medulla, medulla oblongata