Table 1.

Average volume (mm³ ± SD) of the different layers of the seven subdivisions of the rhesus monkey entorhinal cortex at four postnatal ages.

		Newborn	6-month	1-year	5–9-year
Eo	I	0.88 ± 0.19	1.10 ± 0.06	1.08 ± 0.13	0.86 ± 0.25
	II	0.74 ± 0.13	0.96 ± 0.12	0.99 ± 0.16	0.98 ± 0.17
	III	3.68 ± 0.51	5.63 ± 0.94	6.33 ± 0.77	7.78 ± 1.31
	V–VI	0.98 ± 0.12	1.53 ± 0.22	1.45 ± 0.39	1.97 ± 0.28
	Eo total	6.28 ± 0.74	9.22 ± 1.29	9.86 ± 1.28	11.59 ± 1.66
Er	I	1,23 ± 0,28	1,52 ± 0,38	1,37 ± 0,26	1,50 ± 0,39
	II	0.87 ± 0.16	1.30 ± 0.27	1.28 ± 0.24	1.47 ± 0.28
	III	3.71 ± 0.44	5.01 ± 0.83	5.65 ± 0.92	8.24 ± 1.26
	V	0.82 ± 0.12	1.11 ± 0.22	1.04 ± 0.11	1.83 ± 0.40
	VI	1.50 ± 0.25	2.13 ± 0.42	1.89 ± 0.24	3.20 ± 0.55
	Er total	8.13 ± 1.01	11.06 ± 2.01	11.24 ± 1.67	16.24 ± 2.54
Elr	I	0.81 ± 0.14	1.08 ± 0.40	0.87 ± 0.20	1.08 ± 0.08
	II	0.52 ± 0.08	0.77 ± 0.13	0.68 ± 0.08	0.88 ± 0.16
	III	1.50 ± 0.27	1.96 ± 0.43	1.88 ± 0.31	2.42 ± 0.17
	V	0.63 ± 0.12	0.86 ± 0.05	0.74 ± 0.04	1.08 ± 0.09
	VI	1.14 ± 0.24	1.57 ± 0.23	1.39 ± 0.11	1.78 ± 0.09
	Elr total	4.60 ± 0.84	6.23 ± 1.17	5.56 ± 0.60	7.24 ± 0.53
Ei	I	2.88 ± 0.42	4.04 ± 0.53	3.79 ± 0.42	4.37 ± 0.56
	II	1.95 ± 0.22	3.31 ± 0.44	3.20 ± 0.36	3.56 ± 0.25
	III	7.11 ± 1.07	9.66 ± 0.86	10.17 ± 0.63	11.16 ± 0.57
	IV	0.52 ± 0.14	0.69 ± 0.09	0.74 ± 0.09	1.25 ± 0.23
	V	2.18 ± 0.27	3.30 ± 0.50	2.95 ± 0.30	3.92 ± 0.50
	VI	2.72 ± 0.29	5.05 ± 0.36	5.32 ± 0.83	5.82 ± 0.99
	Ei total	17.35 ± 2.15	26.04 ± 2.18	26.17 ± 2.01	30.08 ± 1.99
Elc	I	0.88 ± 0.16	1.20 ± 0.20	1.18 ± 0.03	1.25 ± 0.23
	II	0.45 ± 0.07	0.76 ± 0.14	0.75 ± 0.11	0.89 ± 0.07
	III	1.55 ± 0.32	1.81 ± 0.37	1.96 ± 0.39	2.27 ± 0.26
	V	0.62 ± 0.17	0.92 ± 0.21	0.85 ± 0.17	0.96 ± 0.14
	VI	1.00 ± 0.19	1.77 ± 0.27	1.66 ± 0.25	1.52 ± 0.19
	Elc total	4.50 ± 0.82	6.47 ± 1.07	6.40 ± 0.94	6.89 ± 0.70
Ec	I	2.01 ± 0.44	2.83 ± 0.43	2.66 ± 0.40	2.75 ± 0.58
	II	1.21 ± 0.20	2.13 ± 0.04	2.01 ± 0.46	2.18 ± 0.36
	III	4.89 ± 1.26	6.71 ± 0.46	6.44 ± 1.33	6.61 ± 1.44
	V	1.48 ± 0.33	2.51 ± 0.20	2.21 ± 0.71	2.75 ± 0.53
	VI	2.43 ± 0.55	4.09 ± 0.54	3.95 ± 0.88	3.68 ± 0.81
	Ec total	12.03 ± 2.68	18.27 ± 1.43	17.26 ± 3.47	17.98 ± 3.46
Ecl	I	2.71 ± 0.23	3.25 ± 0.45	3.13 ± 0.71	3.13 ± 0.28
	II	1.91 ± 0.22	2.53 ± 0.21	2.64 ± 0.41	2.83 ± 0.44
	III	5.24 ± 0.75	6.08 ± 0.39	6.47 ± 1.32	6.19 ± 1.03
	V	1.26 ± 0.07	1.49 ± 0.11	1.54 ± 0.32	2.01 ± 0.34
	VI	2.06 ± 0.26	2.27 ± 0.29	2.43 ± 0.42	2.76 ± 0.59
	Ecl total	13.17 ± 1.29	15.62 ± 1.27	16.22 ± 3.03	16.91 ± 2.58
Entire EC		66.06 ± 7.07	92.90 ± 5.38	92.71 ± 2.77	106.92 ± 10.77