Table 2. Developmental changes to the ventral nerve cord in sedentary and mobile nematodes.

Nematode species	Stages	Average number of neurons in VNC1	Range	Sample size
H. glycines	J22	65	59–70	20
	J2 Post-infection	63	56–68	15
	J3 male	53	48–58	15
	J3 female	45	40–54	11
	J4 female	40	32–52	20
	Adult male	70	62–81	14
M. incognita	J2	59	57–65	10
	J2 Post-infection	50	44–56	9
	Molting to J3	41	35–47	9
	J4/adult female	43	37–47	10
P. penetrans	J2	58	53–60	10
	J3	58	53–61	8
	J4 female	59	54–62	10
	Adult female	59	54–62	10
	Adult male	63	59–68	8

¹ Neurons were counted between the retrovesicular ganglion and the preanal ganglion.

² From previously published data [12,28].