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Absence of Serotonin Alters Development, Function of Brain Circuits

Schematic drawing illustrating the location of serotoninergic neurons in the adult zebrafish brain (lateral view). 5-HT-immunoreactive cells are also present in the retina (not shown). The main projections originating from the raphe populations are indicated. AP, area postrema; Cer, cerebellum; Hyp, hypothalamus; MO, medulla oblongata; NLV, nucleus lateralis valvulae; OB, olfactory bulb; PG, preglomerular complex, Po, preoptic region; PT, posterior tuberculum; SC, spinal cord; Tel, telencephalon; TeO, tectum opticum; Th, thalamus; V, ventral telencephalic area.

Schematic drawing illustrating the location of serotoninergic neurons in the adult zebrafish brain (lateral view). 5-HT-immunoreactive cells are also present in the retina (not shown). The main projections originating from the raphe populations are indicated. AP, area postrema; Cer, cerebellum; Hyp, hypothalamus; MO, medulla oblongata; NLV, nucleus lateralis valvulae; OB, olfactory bulb; PG, preglomerular complex, Po, preoptic region; PT, posterior tuberculum; SC, spinal cord; Tel, telencephalon; TeO, tectum opticum; Th, thalamus; V, ventral telencephalic area.

Researchers create 1st complete model of serotonin’s role. Serotonin, 5-hydroxytryptamine [5-HT], is an important neuromodulator of brain development and the structure and function of neuronal circuits...

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