PPT-Getting on your Nerves

What a lot of nerve There are about 100000000000 neurons in an adult human These form 10000000000000 synapses or connections They represent 2 of the bodys weight 004007 cells and . Patrick Elder. Basics. How do we divide the vertebrae of the vertebral column, and how many are there?. 7 cervical, 12 thoracic, 5 lumbar, 5 sacral and the coccyx.. From where do the spinal nerves originate, and how are they named?. Matt . Vreugde. What are Cranial Nerves?. Number. Nerve. Region of origin/Destination. I. O. lfactory. Cortex. II. O. ptic. Thalamus. III. O. culomotor. Midbrain. IV. T. rochlear. Midbrain. V. T. rigeminal. Presented by—. Mirza. . Salman. . Baig. Faculty of Pharmacy . School of Pharmacy . AIKTC, New . Panvel. THE DIGESTIVE SYSTEM. The digestive system is the collective name used to describe the . alimentary canal. Central . - brain and spinal cord. Peripheral . - spinal nerves, motor and sensory nerves. Spinal and cranial meninges. fish - one layer. tetrapods. 2 or 3 (mammals). Meninges. Subarachnoid . space of brain. Tom Eck – ecktw@umdnj.edu. Major Points. Cranial nerves are tested directly or indirectly on the majority of questions. Know the course of each nerve, especially the foramen each passes through. Know . Cranial. Nerve. Function. (main)Parasympathetic. . Ganglia. (main)Sensory Ganglia. I. Olfactory. Special sensory. II. Optic. Special sensory. III. Occulomotor. Motor. Ciliary. IV. Trochlear. Motor. . Dura mater. - outermost layer, blood vessels. Arachnoid mater.   -  no blood vessels, in between layer (resembles a spider web). Pia mater. -inner membrane, contains nerves and blood vessels to nourish cells . Sarah Cronin. Matt . hawkins. Tyler . plas. Marissa . kramer. . The adult human brain contains about . 98%. of the body’s neural tissue. . A typical brain weighs about . 1.4kg. The brain of a male is usually about 10% . 1. The Nervous System can be divided in: . Central Nervous System (CNS). Brain and Spinal Cord. Peripheral Nervous System (PNS). Cranial and spinal nerves, ganglia, sensory receptors. 2. Division of the Peripheral Nervous System. Objectives. Organize Exam into the 6 Subsets of Function. Concept of Screening Examination. Understand Afferent and Efferent Pathways for Brainstem Reflexes. Differentiate Between Upper and Lower . Somatic Nervous System . (conscious activities) . Skin, skeletal system .  . Autonomic Nervous System . (unconscious activities); heart, viscera, glands                                   . 31 pairs arise from spinal cord. Five groups correspond to regions of spinal cord and vertebrae. Cervical 8 pr.. Thoracic 12 pr.. Lumbar 5 pr.. Sacral 5 pr.. Coccygeal 1 pr.. Structure of a Nerve. Cranial nerveNerve nomenclatureOlfactoryTrochlear 168 Cranial nerveNerve nomenclatureTrigeminalGSA (face, oral cavity, FacialGSA (skin, mucosa, external (facial muscles), SA (taste)VestibulocochlearVA (HRUS. ): A POSSIBLE RELEVANCE IN CLINICAL . PRACTICE. VALUTAZIONE DEI NERVI CRANICI CON ECOGRAFIA AD ALTA RISOLUZIONE (HRUS): POSSIBILE RILEVANZA NELLA PRATICA CLINICA. Ferdinando Sartucci . 1,2,3. , .