title: Serotonin-, substance P- and tyrosine hydroxylase-like immunoreactive neurons projecting from the midbrain periaqueductal gray to the nucleus tractus solitarii in the rat.
abstract: Serotonin-, substance P- and tyrosine hydroxylase-like immunoreactive neurons in the midbrain periaqueductal gray (PAG) were observed to send their axons to the nucleus tractus solitarii in the rat by the retrograde horseradish peroxidase tracing method combined with the immunocytochemical technique. These neurons were most frequently observed in the ventrolateral subnucleus and ventral portion of the medial subnucleus of the PAG at the entire rostrocaudal levels.
authors.affiliation: Department of Anatomy, Fourth Military Medical University, Xi'am, People's Republic of China.
authors.forename: Y Q
authors.initials: YQ
authors.lastname: Li
authors.forename: S L
authors.initials: SL
authors.lastname: Zeng
authors.forename: Z R
authors.initials: ZR
authors.lastname: Rao
authors.forename: J W
authors.initials: JW
authors.lastname: Shi
mesh_terms: D000818:Animals; D001370:Axonal Transport; D001369:Axons / Q000648:ultrastructure; D006735:Horseradish Peroxidase; D008526:Medulla Oblongata / Q000033:anatomy & histology* / Q000166:cytology; D008636:Mesencephalon / Q000033:anatomy & histology* / Q000166:cytology; D009474:Neurons / Q000166:cytology*; D010487:Periaqueductal Gray / Q000033:anatomy & histology* / Q000166:cytology; D051381:Rats; D012701:Serotonin / Q000032:analysis*; D013373:Substance P / Q000032:analysis*; D014446:Tyrosine 3-Monooxygenase / Q000032:analysis*
chemical_list: D012701:Serotonin; D013373:Substance P; D006735:Horseradish Peroxidase; D014446:Tyrosine 3-Monooxygenase