Table 1.

List of key resources.

Reagent or Resource	Source	Identifier
Antibodies
rabbit polyclonal anti-calretinin	Merck Hungary, Budapest, Hungary	AB 5054
mouse monoclonal anti-connexin-36	Merck Hungary, Budapest, Hungary	MAB 3045
rabbit polyclonal anti-Prox1	Merck Hungary, Budapest, Hungary	ABN 278
mouse monoclonal anti-parvalbumin	Swant, Burgdorf, Switzerland	PV 235
mouse monoclonal anti-calbindin	Synaptic Systems, Göttingen, German	214011
biotinylated anti-mouse IgG (H + L)	Vector Laboratories, Burlingame, CA, USA	BA 2001
streptavidin-Alexa Fluor 488 conjugate	Invitrogen, Waltham, MA, USA	S 32354
donkey anti-mouse IgG (H + L) Alexa Fluor 488 conjugate	Jackson ImmunoResearch, West Grove, PA, USA	715-545-151
donkey anti-rabbit IgG (H + L) Alexa Fluor 594 conjugate	Jackson ImmunoResearch, West Grove, PA, USA	711-585-152
goat anti-rabbit IgG (H + L) Texas Red conjugate	Jackson ImmunoResearch, West Grove, PA, USA	111-075-003
Animals
domestic cat (Felis catus)	Animal house of the Institute of Physiology, Medical School, University of Pécs, Hungary	N/A
rat (Rattus norvegicus), Wistar strain	Animal house of the Institute of Physiology, Medical School, University of Pécs, Hungary	N/A
mouse (Mus musculus), C57BL/6J strain	The Jackson Laboratory, Bar Harbor, USA	000664
mouse (Mus musculus), PV-Cre line	The Jackson Laboratory, Bar Harbor, USA	B6.129P2-Pvalbtm1(cre)Arbr/J, JAX #017320
mouse (Mus musculus), tdTomato line	The Jackson Laboratory, Bar Harbor, USA	B6.Cg-Gt(ROSA)26Sortm9(CAG-tdTomato)Hze/J, JAX #007909
Equipment
Zeiss LSM 710 confocal laser scanning microscope	Carl Zeiss, Jena, Germany
Software
Fiji	https://imagej.net/software/fiji/, accessed on 27 July 2018	N/A
Imaris 8.12	Oxford Instruments, Zurich, Switzerland	N/A
SPSS 24.0	IBM Corporation, Armonk, NY, USA	N/A
Excel for Office 365	Microsoft, Redmond, WA, USA	N/A