(1)...Stimulating a nerve cell triggers nerve impulses (signals) that speed down the axon.&!;:" Nervess cell..❄️❄️

(2)..:;Hirschsprung's disease occurs early in fetal development when, for unknown reasons, there is either failure of nerve cell development, failure of..":&!,❄️🌊🌡️

(2)..Parasympathetic ganglion cell-Type of nerve cell normally found in the wall of the colon.;:&☄️💧

(3)..It consists in cutting down upon and exposing the nerve, and in seizing hold and drawing upon it so as to stretch it.&

(4)..In these we have the evaporation from the damp delicate cell-walls into the intercellular spaces; (2) the imbibition by the cell-wall of water from.!?🌬️