Table 1: Antibodies Used in Fluorescence Microscopy.

Olfactory bulb slices were blocked with 10% normal horse serum for 1 h. Antibodies were diluted in phosphate buffered saline containing 0.3% Triton X-100 and 0.04% NaN₃. The entire procedure was conducted at room temperature.

Antibody	Manufacturer	Working solution	Incubation
Anti-ETA	Alomone, Jerusalem, ISR	1:500	18-20 h in rocking agitation
Anti-TH	Sigma, Missouri, USA	1:10000
Anti-Rabbit-Alexa488	Jackson, Pensilvania, USA	1:250	4 h in rocking agitation and light protected
Anti-Mouse-Alexa594	Jackson, Pensilvania, USA	1:250
DAPI	Sigma, Missouri, USA	1:20000	Last 5 min of secondary antibody incubation
Anti-ETA	Alomone, Jerusalem, ISR	1:500	18-20 h in rocking agitation
Anti-TH	Sigma, Missouri, USA	1:10000
Anti-Rabbit-Alexa488	Jackson, Pensilvania, USA	1:250	4 h in rocking agitation and light protected
Anti-Mouse-Alexa594	Jackson, Pensilvania, USA	1:250
DAPI	Sigma, Missouri, USA	1:20000	Last 5 min of secondary antibody incubation