PPT-NERVES & MUSCLES PHYSIOLOGY

Lecture 5 Dr Amar AL M usawi MD PhD Synaptic plasticity It is the changes in the synaptic functions as a result of the history of discharging at a synapse ie synaptic conduction can be strengthened or weakened on the basic of past experience . The . sliding . filament theory . of . muscle contraction. Gross . and microscopic structure of skeletal muscle. The . ultrastructure. of a myofibril.. The . roles of . actin. , myosin, calcium ions and ATP in myofibril contraction.. 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 . Eleventh Edition. Chapter 13. The Spinal Cord, Spinal Nerves, and Spinal Reflexes. Clicker Questions. What is the minimum number of neurons in a reflex arc?. 1. 2. 5. 7. What is the minimum number of neurons in a reflex arc?. There are 12 pairs of cranial nerves.. Name of the Cranial Nerves. I. Olfactory n.. II. Optic n.. III. Occulomotor n.. IV. . Trochlear. n.. V. Trigeminal n.. VI. . Abducent. n.. VII. Facial n.. VIII. . THE CRANIAL NERVES. CRANIAL NERVES. 12-pair. named “cranial” because each passes thru a foramina of the cranium. part of PNS. each with roman numeral (order from anterior .  posterior in which nerves arise from base of brain) & a name that indicates nerve distribution. Somatic Nervous System . (conscious activities) . Skin, skeletal system .  . Autonomic Nervous System . (unconscious activities); heart, viscera, glands                                   . Sept 20, 2011. Group 4. Physiology of the Nervous System . Functions and Divisions. Nervous Tissue. Neurons and . neuroglia. Types. Nerve signal and transmission. Central Nervous System. Brain and spinal cord. Ms. Sallo. AP . Psychology. March 8, 2016. Peripheral Nervous System (PNS). Def: made up of all those nerves that lie outside the brain and spinal cord. . Nerves are bundles of axons that are routed together in the PNS. for copying. CRANIAL NERVES. 12-pair. named “cranial” because each passes thru a foramina of the cranium. part of PNS. each with roman numeral (order from anterior .  posterior in which nerves arise from base of brain) & a name that indicates nerve distribution. Department of Morphology and General Pathology. Organization of the nervous system. . 1. . Central. . Nervous. . System. (. CNS. ) . a. Brain. b. Spinal cord. 2. . Peripheral Nervous System. (. PNS. Limb. Mgr. Veronika . Mrkvicová. (. physiotherapist. ). Examination. . Methods. in . Rehabilitation. (26.10.2020). Nerves. . of. . the. . Upper. Limb. Axillary. nerve. Musculocutaneuous. nerve. Lacrymal. gland &Nerves and Vessels in Orbit. Dr S M . Dawar. Husain. . . Assoc. Professor . of . Anatomy. Contents of orbit. Eyeball : 1/5 of orbit . Muscles : 4 . Recti. , 2 Oblique , LPS , Muller’s muscle . Cranial nerveNerve nomenclatureOlfactoryTrochlear 168 Cranial nerveNerve nomenclatureTrigeminalGSA (face, oral cavity, FacialGSA (skin, mucosa, external (facial muscles), SA (taste)VestibulocochlearVA 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 . cutaneous. distribution for sensory nerves and muscles innervated for motor nerves.