'Crossed extensor reflex' presentation slideshows

Chapter 13

Chapter 13. PNS. PNS. Cranial nerves Spinal nerves. Sensory Receptors. Specialized cells that monitor specific conditions in the body or external environment Activation of sensory receptors results in depolarizations that trigger impulses to the CNS

556 views • 45 slides

Chapter 13

Chapter 13. PNS. PNS. Cranial nerves Spinal nerves. Sensory Receptors. Specialized cells that monitor specific conditions in the body or external environment Activation of sensory receptors results in depolarizations that trigger impulses to the CNS

458 views • 45 slides

Spinal Cord Reflexes Peripheral Nervous System

Spinal Cord Reflexes Peripheral Nervous System. Spinal Cord Anatomy. Extends from the foramen magnum of the skull to the first or second lumbar vertebra Provides a two-way conduction pathway from the brain to and from the brain 31 pairs of spinal nerves arise from the spinal cord

1.19k views • 43 slides

SPINAL CORD REFLEXES

Lecture - 2 Dr. Zahoor Ali Shaikh. SPINAL CORD REFLEXES. Spinal Reflex. What is Reflex? -- It is a response that occurs automatically without conscious effort. . Reflex . Components of reflex arc are Five: 1- Sensory Receptor 2- Afferent pathway 3- Center 4- Efferent pathway

943 views • 40 slides

Peripheral Nervous System

Peripheral Nervous System. I. Introduction. A. Organization. 1. Definition. Figure 13.1. 2. Parts. a. Receptor. b. Sensory nerve. d. Motor nerve. c. Ganglia ( Processor ). Figure 11.1. II. Cranial Nerves. A. Organization. 1. Definition or Origination. Figure 13.5.

794 views • 37 slides

Reflex Physiology

615 views • 35 slides

Primitive Reflexes in the baby

Primitive Reflexes in the baby. Robyn Smith Department of Physiotherapy UFS 2012. Objectives for the lecture:. After this lecture the learner should be: familiar with the primitive reflexes present in the baby at birth,

1.11k views • 34 slides

MOTOR NEURON-MUSCLE RELATIONSHIPS

411 views • 31 slides

Chapter 13 The Spinal Cord & Spinal Nerves

Chapter 13 The Spinal Cord & Spinal Nerves. Together with brain forms the CNS Functions spinal cord reflexes integration (summation of inhibitory and excitatory) nerve impulses highway for upward and downward travel of sensory and motor information. Structures Covering the Spinal Cord.

1.16k views • 29 slides

Objectives At the end of this lecture the student should :

Motor Functions of the Spinal Cord Dr. Taha Sadig Ahmed Reflexes can be (1) Primitive , inherited, or can be (2) ACQUIRED , learned ? Conditioned Reflexes ( Pavlov ). Objectives At the end of this lecture the student should : (1) appreciate the two-way trafiic along the spinal cord .

520 views • 19 slides

Autonomic Nervous System

Autonomic Nervous System. Controls automatic functions at subconscious level ______________ nervous system - nerves emerge from thoracic and lumbar vertebral regions ( thoracolumbar system ) Thoracic nerves 1-13, Lumbar nerve 1

422 views • 12 slides