Table 2.
Regional volumes calculated for each label region as described in Section 2.5 Statistical Analysis, and averaged across brains. 71 delineated structures along with their corresponding mean and standard deviation (mm3) across all subjects (n = 41), male rats (n = 24) and female rats (n = 17) are reported.
| Ventricular Structures | All Subjects Mean + SD (mm3) | Males Mean + SD (mm3) | Females Mean + SD (mm3) |
|---|---|---|---|
| Aqueduct | 2.14 ± 0.27 | 2.29 ± 0.23 | 1.92 ± 0.15 |
| Fourth ventricle | 3.11 ± 0.38 | 3.37 ± 0.28 | 2.75 ± 0.1 |
| Lateral ventricle | 12.23 ± 0.67 | 12.66 ± 0.51 | 11.62 ± 0.29 |
| Third Ventricle | 5.17 ± 0.26 | 5.35 ± 0.15 | 4.92 ± 0.17 |
| Grey Matter Structures | All Subjects Mean + SD (mm3) | Males Mean + SD (mm3) | Females Mean + SD (mm3) |
| Basal Forebrain | 15.68 ± 0.89 | 16.31 ± 0.58 | 14.89 ± 0.29 |
| Bed Nucleus of the Stria Terminalis | 3.55 ± 0.24 | 3.74 ± 0.09 | 3.28 ± 0.07 |
| Caudoputamen | 75.72 ± 3.26 | 77.89 ± 2.13 | 72.66 ± 1.73 |
| Cerebellar Lobule 1/2 | 13.62 ± 0.98 | 14.35 ± 0.47 | 12.58 ± 0.41 |
| Cerebellar Lobule 10 | 3.31 ± 0.23 | 3.47 ± 0.16 | 3.1 ± 0.12 |
| Cerebellar Lobule 3 | 12.8 ± 0.72 | 13.27 ± 0.52 | 12.12 ± 0.34 |
| Cerebellar Lobule 4/5 | 33.11 ± 1.94 | 34.42 ± 1.32 | 31.25 ± 0.79 |
| Cerebellar Lobule 6 | 11.9 ± 0.92 | 12.51 ± 0.62 | 11.04 ± 0.47 |
| Cerebellar Lobule 7 | 4.49 ± 0.28 | 4.67 ± 0.2 | 4.24 ± 0.17 |
| Cerebellar Lobule 8 | 4.88 ± 0.36 | 5.1 ± 0.28 | 4.57 ± 0.22 |
| Cerebellar Lobule 9 | 10.65 ± 0.76 | 11.21 ± 0.4 | 9.85 ± 0.25 |
| Cochlear Nucleus | 1.91 ± 0.11 | 2 ± 0.05 | 1.78 ± 0.04 |
| Copula | 3.63 ± 0.28 | 3.85 ± 0.12 | 3.32 ± 0.07 |
| Cortex | 696.21 ± 37.99 | 722.24 ± 26.21 | 662.95 ± 20.51 |
| Crus 1 Ansiform Lobule | 24.63 ± 1.44 | 25.6 ± 0.98 | 23.25 ± 0.58 |
| Crus 2 Ansiform Lobule | 10.69 ± 0.67 | 11.11 ± 0.54 | 10.1 ± 0.29 |
| Dentate Gyrus | 23.14 ± 1.58 | 24.29 ± 0.9 | 21.53 ± 0.61 |
| Dentate Nucleus | 2 ± 0.12 | 2.09 ± 0.08 | 1.88 ± 0.03 |
| Entopeduncular Nucleus | 0.75 ± 0.04 | 0.78 ± 0.03 | 0.71 ± 0.02 |
| Fastigial Nucleus | 2.35 ± 0.13 | 2.45 ± 0.07 | 2.21 ± 0.05 |
| Flocculus | 9.99 ± 0.73 | 10.45 ± 0.48 | 9.35 ± 0.49 |
| Globus Pallidus | 7.91 ± 0.39 | 8.16 ± 0.28 | 7.56 ± 0.23 |
| Hindbrain | 165.67 ± 10.55 | 173.39 ± 5.91 | 154.77 ± 3.57 |
| Hippocampal Formation | 67.77 ± 3.86 | 70.48 ± 1.97 | 63.94 ± 2.27 |
| Hypothalamus | 44.08 ± 2.54 | 45.94 ± 1.46 | 41.44 ± 0.69 |
| Inferior Colliculus | 25.39 ± 1.21 | 26.16 ± 0.9 | 24.3 ± 0.61 |
| Interposed Nucleus | 2.59 ± 0.13 | 2.69 ± 0.07 | 2.45 ± 0.04 |
| Lateral Septum | 13.04 ± 0.65 | 13.49 ± 0.41 | 12.4 ± 0.28 |
| Mammillary bodies | 2.1 ± 0.12 | 2.18 ± 0.09 | 2 ± 0.07 |
| Medial Septum | 2.08 ± 0.11 | 2.15 ± 0.07 | 1.97 ± 0.05 |
| Median Preoptic Nucleus | 0.08 ± 0.01 | 0.08 ± 0.01 | 0.07 ± 0 |
| Midbrain | 64.77 ± 4.08 | 67.76 ± 2.41 | 60.55 ± 0.97 |
| Nucleus Accumbens | 14.20 ± 0.61 | 14.57 ± 0.46 | 13.72 ± 0.40 |
| Olfactory Nuclei | 131.13 ± 8.38 | 137.18 ± 4.89 | 122.59 ± 2.96 |
| Paraflocculus | 14.93 ± 1 | 15.55 ± 0.66 | 14.06 ± 0.69 |
| Paramedian Lobule | 10.97 ± 0.7 | 11.48 ± 0.43 | 10.26 ± 0.21 |
| Periaqueductal Grey | 15.26 ± 0.63 | 15.7 ± 0.4 | 14.65 ± 0.27 |
| Pons | 45.38 ± 2.89 | 47.31 ± 2.13 | 42.66 ± 0.97 |
| Simple Lobule | 22.98 ± 1.26 | 23.85 ± 0.68 | 21.74 ± 0.71 |
| Subfornical Organ | 0.13 ± 0.01 | 0.14 ± 0.01 | 0.12 ± 0.01 |
| Substantia Nigra | 4.71 ± 0.29 | 4.91 ± 0.22 | 4.44 ± 0.09 |
| Superior Colliculus | 27.01 ± 1.53 | 28.10 ± 0.97 | 25.75 ± 1.01 |
| Thalamus | 74.18 ± 3.55 | 76.59 ± 2.22 | 70.78 ± 1.84 |
| Ventral Pallidum | 3.94 ± 0.2 | 4.08 ± 0.12 | 3.77 ± 0.12 |
| White Matter Structures | All Subjects Mean + SD (mm3) | Males Mean + SD (mm3) | Females Mean + SD (mm3) |
| Anterior Part of the Anterior Commissure | 2.69 ± 0.13 | 2.79 ± 0.08 | 2.56 ± 0.06 |
| Cerebellar White Matter and Arbor Vitae | 47.55 ± 2.77 | 49.59 ± 1.51 | 44.67 ± 0.96 |
| Cerebral Peduncle | 6.29 ± 0.34 | 6.51 ± 0.27 | 5.97 ± 0.12 |
| Cingulum | 7.12 ± 0.44 | 7.43 ± 0.27 | 6.69 ± 0.2 |
| Commissure of the Inferior Colliculus | 0.63 ± 0.02 | 0.64 ± 0.02 | 0.61 ± 0.02 |
| Commissure of the Superior Colliculus | 0.32 ± 0.02 | 0.33 ± 0.02 | 0.3 ± 0.01 |
| Corpus Callosum and External Capsule | 64.4 ± 3.66 | 66.9 ± 2.18 | 60.89 ± 2.08 |
| External Medullary Lamina | 1.55 ± 0.09 | 1.62 ± 0.05 | 1.46 ± 0.03 |
| Fasciculus Retroflexus | 0.36 ± 0.01 | 0.37 ± 0.01 | 0.34 ± 0.01 |
| Fimbria | 7.05 ± 0.45 | 7.36 ± 0.24 | 6.6 ± 0.24 |
| Fornix | 0.9 ± 0.04 | 0.93 ± 0.02 | 0.85 ± 0.01 |
| Internal Capsule | 15.59 ± 0.88 | 16.17 ± 0.61 | 14.77 ± 0.4 |
| Intrabulbar Part of Anterior Commissure | 1.66 ± 0.08 | 1.71 ± 0.05 | 1.59 ± 0.05 |
| Lateral Olfactory Tract | 1.08 ± 0.05 | 1.12 ± 0.03 | 1.03 ± 0.03 |
| Mammillothalamic Tract | 0.46 ± 0.02 | 0.47 ± 0.01 | 0.44 ± 0.01 |
| Optic Chiasm | 0.52 ± 0.06 | 0.57 ± 0.04 | 0.46 ± 0.02 |
| Optic Tract | 6.19 ± 0.44 | 6.52 ± 0.23 | 5.73 ± 0.16 |
| Posterior Commissure | 0.28 ± 0.02 | 0.3 ± 0.01 | 0.27 ± 0.01 |
| Posterior Part of the Anterior Commissure | 0.66 ± 0.03 | 0.69 ± 0.02 | 0.62 ± 0.01 |
| Stria Medullaris of the Thalamus | 0.67 ± 0.03 | 0.69 ± 0.02 | 0.64 ± 0.01 |
| Stria Terminalis | 2.11 ± 0.14 | 2.21 ± 0.09 | 1.98 ± 0.06 |
| Superior Thalamic Radiation | 0.89 ± 0.05 | 0.92 ± 0.03 | 0.85 ± 0.03 |