Anatomical OrientationDorsal- up towards top of headVentral- going down, belowMedial- toward the middleLateral- moving outwards/to the sideAnterior- front of head/bodyPosterior- back of head/bodyCoronal- cut vertically from the crown of the head down; used in reference to the plane of a brain section that reveals a frontal view (cutting anterior away from posterior)Horizontal- cut along the horizon; used in reference to the plane of a brain section that reveals a dorsal viewSagittal- cut lengthways from front to back of the skull; the plane that reveals a view into the brain from the side; a cut in the midsagittal plane divides the brain into symmetrical halves, a medial view.The Nervous System: The BrainThe brain is covered by the meningesMeninges- the three layers of protective tissue that encase the brain and spinal cord; in this order (lateral to medial)…Dura materArachnoidPia materThe brain is anatomically divided into two hemispheresCorpus Callosum- band of white matter (axons-neurons) containing about 200 million nerve fibers that connects the two cerebral hemispheres to provide a route for direct communication.The brain is functionally divided into 4 lobes:FrontalParietalOccipitalTemporal- hearing, language and musical abilitiesPSYC 260 1st Edition Lecture 6Outline of Last LectureI. The Nervous SystemII. The Peripheral Nervous SystemOutline of Current LectureIII. Anatomical OrientationIV. The Nervous System: The BrainCurrent Lecture- Anatomical Orientationo Dorsal- up towards top of heado Ventral- going down, belowo Medial- toward the middleo Lateral- moving outwards/to the sideo Anterior- front of head/bodyo Posterior- back of head/bodyo Coronal- cut vertically from the crown of the head down; used in reference to the plane of a brain section that reveals a frontal view (cutting anterior away from posterior)o Horizontal- cut along the horizon; used in reference to the plane of a brain section that reveals a dorsal viewo Sagittal- cut lengthways from front to back of the skull; the plane that reveals a view into the brain from the side; a cut in the midsagittal plane divides the brain into symmetrical halves, a medial view. The Nervous System: The Brain- The brain is covered by the meningeso Meninges- the three layers of protective tissue that encase the brain and spinal cord; in this order (lateral to medial)… Dura mater Arachnoid Pia mater- The brain is anatomically divided into two hemispheres- Corpus Callosum- band of white matter (axons-neurons) containing about 200 million nerve fibers that connects the two cerebral hemispheres to provide a route for direct communication.- The brain is functionally divided into 4 lobes:o Frontalo Parietalo Occipitalo Temporal- hearing, language and musical