horseradish peroxidase-wheat germ agglutinin conjugate ( hrp ) was injected into masticatory and eye muscles of 6- to 15-day-old chick embryos and posthatched chicks to establish the timetable of axonal outgrowth and distribution of central and peripheral terminations of mesencephalic trigeminal neurones ( mtn ) .
C0004461
axonal
C0027882
neurones