Abuur nooc ka sii adag weedhan Semaphorin - neuropilin signaling firfircoon wuxuu si wada jir ah ula shaqeeyaa signalka EphB si uu u hago unugyada neerfaha ee neerfaha hoos u dhigaya qeybta rostral ee jiirka.
Dabcan, nooc ka sii adag ee jumlada waa "Semaphorin - Neuropilin signal signal signal waxay si wada jir ah ula shaqeysaa calaamadaha EphB ee hore si ay u hagto unugyada neerfaha ee neerfaha hoos u dhigaan nuska rostral ee somites ee jiirka; ee uurjiifka digaaga, semaphorin wuxuu ka shaqeeyaa gobolka cephalic si uu u hago unugyada neerfaha ee neerfaha iyada oo loo marayo qaansooyinka faringeal. "