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FIG 3. In vivo acquired fast T2-weighted MR images (HASTE sequence) in 14 POW (A and B) and 26 POW (C) fetuses reveal the same typical fetal lamination pattern of the cerebral wall as T1-weighted MR images of postmortem specimens of equivalent developmental ages. In panel A (and its inlet), the vertical bar denotes the thickness (approximately 5 mm) of the entire telencephalic wall. Inhomogeneous, poorly delineated, spotlike area (dotted rectangle marked as C1 on panels B and C) of higher MR imaging signal intensity corresponds to the main crossroad area. Larger, rectangulary-marked spotlike area above corresponds to C2 crossroad area. In panel C, asterisk marks the fibrillar periventricular-subventricular zone, while the subplate zone is situated between 2 arrows. Other abbreviations as in Fig 1. For further details, see text.
