. 2021 Jun 25;156(2):95–108. doi: 10.1007/s00418-021-02002-y

Table 2.

Summary of human submucosal neuron types based on their morphological properties observable after immunostaining for peripherin (PERI)

Submucosal neuron type	Basic morphological description	Axon projection Dendritic architecture	Chemical coding	Main function?
Unipolar (rarely bi- or tripolar)	Pseudouniaxonal Non-dendritic	A: to mucosa?	ChAT/SOM/SP±	Mucosal afferent neuron?
Multipolar	Uniaxonal Dendritic	A: to mucosa? D: slender, short to medium length	ChAT/CALR±/VIP	Mucosal effector neuron?
(Nitrergic neurons)	Not determined	?	nNOS	Circular muscle motor neuron?

Submucosal neuron type

Basic
morphological description

Axon projection
Dendritic architecture

Chemical coding

Main function?

Unipolar

(rarely bi- or tripolar)

Pseudouniaxonal

Non-dendritic

A: to mucosa?

ChAT/SOM/SP±

Mucosal afferent

neuron?

Multipolar

Uniaxonal

Dendritic

A: to mucosa?

D: slender, short to medium length

ChAT/CALR±/VIP

Mucosal effector neuron?

(Nitrergic neurons)

Not determined

nNOS

Circular muscle

motor neuron?

For details and references see text