PPT-Central Nervous System Brain & Spinal Cord

Development of the CNS Appears as neural tube on dorsal median plane 4 th week brain formation begins at anterior end of the neural tube Remaining portion of neural tube becomes spinal cord 4 Major Regions of the Brain. Scalp and skin. Protection of the Central Nervous System. Figure 7.17a. Meninges. Dura mater. Double-layered external covering. Periosteum. —. Meningeal. . Layer-. Folds inward in several areas. Meninges. Peripheral Nervous System. Autonomic Nervous System. Allied Health I. Central Nervous System. Communication and coordination system of the body. Seat of intellect and reasoning. Consists of the brain, spinal cord, and nerves. Basic parts of the CNS. Brain . Spinal Cord. Brain. Basic Parts : . Cerebrum. Cerebellum. Brain Stem. Cerebral Cortex. Sulcus- valley (Fissures). Gyrus. - . Mountains or raised areas . Sulcus and Fissures of the Brain. The Nervous System Central Nervous System Peripheral Nervous System Procedure A starting person will be chosen and will be given an object. Once the teacher gives the signal, the start person will pass the object to their right. The Nervous System Central Nervous System Peripheral Nervous System Procedure A starting person will be chosen and will be given an object. Once the teacher gives the signal, the start person will pass the object to their right. 1. Two main divisions. a. . Central Nervous System . (CNS) – consists of brain and spinal cord. b. . Peripheral Nervous System . (PNS) – includes nerves extending from . brain and . spinal . cord . Prepared by I . Gede. . Purnawinadi. , . S.Kep. ., . M.Kes. .. Organization of the Nervous System. Central nervous system (CNS. ) . Brain. and . spinal cord. Integration and command center . Peripheral nervous system (PNS). DR. ZAHOOR ALI SHAIKH . LECTURE--- 1. 1. First We Will Discuss ‘ORGANIZATION & CELLS OF NERVOUS SYSTEM’ then we will talk about ‘Overview of Central nervous system’ [CNS]. 2. ORGANIZATION OF NERVOUS SYSTEM. Brain. Spinal Cord. (also includes 4 chambers in brain called ventricles). Brain. 1) Cerebral Hemispheres. 2) Diencephalon. 3. ) Brain Stem. 4) Cerebellum. 1) Cerebral Hemispheres. Covered by ridges = . 2.5. Double Award. Unit 4.5. Why do animals have a Nervous System?. Animals need to be aware of changes in their surroundings.. Light. Sound. Touch. Temperature. Chemicals. Examples of stimuli are:. They need to respond to a . (CNS) AND THE PERIPHERAL NERVOUS SYSTEM (PNS) Learning objectives: The nervous system in humans is a complex integration of organs like brain, spinal cord and sensory organs along with nerves. N :. by. Assistant lecturers. . Sadiq Salam H. AL-Salih. Hassanain Mohammed Khadim. Kareem . Waheed. Mohammed. Hussein Khadim Hussein . Al-. Mustaqbal. University College. Department of Nursing. 2. Hey I feel cold, go grab a sweater!. How does your brain talk to your body?. Move your arm to grab the sweater.. Nervous System. You accidentally step on a nail. Your skin feels the pain and sends . a message up to your brain – OUCH. 1. . Afferent. 1. . a brain area critical to learning to recognize threatening situations. 2. . amygdala. 2. . toward the nose. 3. . anterior . 3. . One of three meninges that surround and protect the spinal cord and the brain.