Projection from the ventrolateral medullary neurons containing tyrosine hydroxylase to the central amygdaloid nucleus in the rat.
By using a double-labeling produce of retrograde horseradish peroxidase (HRP) tracing and the immunocytochemical localization of tyrosine hydroxylase (TH), the present study ascertained that the axonal fibers of catecholaminergic neurons in the caudal ventrolateral medulla projected to the central amygdaloid nucleus in the rat. The majority of double-labeled cells were observed primarily around the level of the obex. 92% of HRP retrogradely labeled cells contained TH-like immunoreactive (TH-IR), but only 31% of TH-IR cells was labeled with HRP.
Department of Anatomy, Fourth Military Medical University, Shaanxi, People's Republic of China.
H G
HG
Jia
Z R
ZR
Rao
J W
JW
Shi
D000679:Amygdala / Q000502:physiology*; D000818:Animals; D005260:Female; D006735:Horseradish Peroxidase; D007124:Immunoenzyme Techniques; D008297:Male; D008526:Medulla Oblongata / Q000166:cytology / Q000201:enzymology / Q000502:physiology*; D009474:Neurons / Q000502:physiology*; D051381:Rats; D017207:Rats, Sprague-Dawley; D014446:Tyrosine 3-Monooxygenase / Q000032:analysis*
D006735:Horseradish Peroxidase; D014446:Tyrosine 3-Monooxygenase