| 释义 |
olfactory bulb
olfactory bulbn. The bulblike distal end of the olfactory lobe, where the olfactory nerves begin.olfactory bulb n (Anatomy) the anterior and slightly enlarged end of the olfactory tract, from which the cranial nerves concerned with the sense of smell originate olfac′tory bulb`
n. the anterior swelling of each olfactory lobe, in which the fibers of the olfactory nerve terminate. [1865–70] Thesaurus| Noun | 1. | olfactory bulb - one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavitiesneural structure - a structure that is part of the nervous systemolfactory brain, rhinencephalon - a center in the cerebral hemispheres that governs the sense of smell in lower animals; in humans it seems to mediate complex emotional behavior |
olfactory bulb
olfactory bulb[äl′fak·trē ‚bəlb] (vertebrate zoology) The bulbous distal end of the olfactory tract located beneath each anterior lobe of the cerebrum; well developed in lower vertebrates. olfactory 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.ol·fac·to·ry bulb [TA] the grayish expanded rostral extremity of the olfactory tract, lying on the cribriform plate of the ethmoid bone and receiving the olfactory filaments. Synonym(s): bulbus olfactorius [TA]olfactory bulbn. The bulblike distal end of the olfactory lobe, where the olfactory nerves begin.olfactory bulb Either of two paired, rod-shaped structures arising on the vertebral brain at the base of the frontal lobes, which are supported by the cribriform plate of the ethmoid bone. The cribriform plate’s perforations provide conduits for olfactory nerve processes.ol·fac·to·ry bulb (ōl-fak'tŏr-ē bŭlb) [TA] The grayish expanded rostral extremity of the olfactory tract, lying on the cribriform plate of the ethmoid and receiving the olfactory filaments.
Synonym(s): bulbus olfactorius [TA] . ol·fac·to·ry bulb (ōl-fak'tŏr-ē bŭlb) [TA] The grayish expanded rostral extremity of the olfactory tract, lying on the cribriform plate of the ethmoid and receiving the olfactory filaments.
Synonym(s): bulbus olfactorius [TA] . AcronymsSeeold boyolfactory bulb
Related to olfactory bulb: Olfactory tract, olfactory nerveWords related to olfactory bulbnoun one of two enlargements at the terminus of the olfactory nerve at the base of the brain just above the nasal cavitiesRelated Words- neural structure
- olfactory brain
- rhinencephalon
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