olfactory tract

ol·fac·to·ry tract

[TA] a nervelike, white band composed primarily of nerve fibers originating from the mitral cells and tufted cells of the olfactory bulb but also containing the scattered cells of the anterior olfactory nucleus. The tract, closely applied to the inferior surface of the frontal lobe, attaches itself to the base of the cerebral hemisphere at the olfactory trigone, beyond which it extends in the form of the olfactory striae that distribute their fibers to the olfactory tubercle and, in largest number, to the olfactory cortex on and around the uncus of the parahippocampal gyrus.
See also: olfactory nerves [CN I]. Synonym(s): tractus olfactorius [TA], olfactory peduncle

olfactory tract

A white ribbon-like band along the bottom (orbital) surface of each frontal lobe, composed of axons from the mitral cells in olfactory bulb. These axons terminate in the piriform cortex (the primary olfactory cortex) at the base of the cerebral hemisphere. See also: tract

单词	olfactory tract
释义	olfactory tract olfactory tract n (Anatomy) a long narrow triangular band of white tissue originating in the olfactory bulb and extending back to the point at which its fibres enter the base of the cerebrum olfactory tract olfactory tract [äl′fak·trē ‚trakt] (neuroscience) A narrow tract of white nerve fibers originating in the olfactory bulb and extending posteriorly to the anterior perforated substance, where it enlarges to form a lateral root (olfactory trigone). olfactory tract ol·fac·to·ry tract [TA] a nervelike, white band composed primarily of nerve fibers originating from the mitral cells and tufted cells of the olfactory bulb but also containing the scattered cells of the anterior olfactory nucleus. The tract, closely applied to the inferior surface of the frontal lobe, attaches itself to the base of the cerebral hemisphere at the olfactory trigone, beyond which it extends in the form of the olfactory striae that distribute their fibers to the olfactory tubercle and, in largest number, to the olfactory cortex on and around the uncus of the parahippocampal gyrus. See also: olfactory nerves [CN I]. Synonym(s): tractus olfactorius [TA], olfactory peduncle olfactory tract A white ribbon-like band along the bottom (orbital) surface of each frontal lobe, composed of axons from the mitral cells in olfactory bulb. These axons terminate in the piriform cortex (the primary olfactory cortex) at the base of the cerebral hemisphere. See also: tract FinancialSeetractThesaurusSeeolfactory
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