Cerebral Hemorrhage/therapy; Embryo, Mammalian/cytology; Stem Cell Transplantation; Stem Cells/physiology; Animals; Brain/metabolism; Brain/pathology; Cell Division/physiology; Cell Movement/physiology; Cells, Cultured; Cerebral Hemorrhage/chemically induced; Cerebral Hemorrhage/pathology; Collagenases/metabolism; Disease Models, Animal; Glial Fibrillary Acidic Protein/metabolism; Green Fluorescent Proteins; Immunohistochemistry/methods; In Vitro Techniques; Indoles/metabolism; Injections, Intraventricular; Intermediate Filament Proteins/metabolism; Lateral Ventricles/metabolism; Luminescent Proteins/metabolism; Male; Mice; Microtubule-Associated Proteins/metabolism; Nerve Tissue Proteins/metabolism; Nestin; Rats; Rats, Inbred F344; Staining and Labeling/methods