Rhinencephalon

In animal anatomy, the rhinencephalon is a part of the brain involved with olfaction.

Some references classify other areas of the brain related to perception of smell as rhinencephalon, but the areas of human brains that receive fibers strictly from the olfactory bulb are limited to those of the paleopallium. As such, the rhinencephalon includes the olfactory bulb, the olfactory tract, the olfactory tubercle and striae, the anterior olfactory nucleus and parts of the amygdala and the piriform cortex.

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Primary four
surface lobes

Frontal lobe	Precentral gyrus (Primary motor cortex, 4) Superior frontal gyrus/Frontal eye fields (6, 8, 9) · Middle frontal gyrus (46) · Inferior frontal gyrus/Broca's area (44-Pars opercularis, 45-Pars triangularis) Orbitofrontal cortex (10, 11, 12, 47) Prefrontal cortex · Premotor cortex Precentral sulcus · Superior frontal sulcus · Inferior frontal sulcus · Olfactory sulcus

Parietal lobe	Somatosensory cortex (Primary (1 · 2 · 3 · 43) · Secondary (5)) · Precuneus (7m) · Parietal operculum Parietal lobules (Superior (7l) · Inferior (40)) · Angular gyrus (39) Intraparietal sulcus · Marginal sulcus

Occipital lobe	Primary visual cortex (17) · (Cuneus · Lingual gyrus · Lateral occipital gyrus (18, 19)) Calcarine fissure

Temporal lobe	Primary auditory cortex (41, 42) · Superior temporal gyrus (38, 22/Wernicke's area) · Middle temporal gyrus (21) · Inferior temporal gyrus (20) Fusiform gyrus (37) Medial temporal lobe (Amygdala · Parahippocampal gyrus (27 · 28 · 34 · 35 · 36))

Interlobar sulci/fissures	lateral: Central (frontal+parietal) · Lateral (frontal+parietal+temporal) · Parietoöccipital medial: Medial longitudinal · Cingulate (frontal+cingulate) · Collateral (temporal+occipital)