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3.01 Remember the structures of the nervous system 3.02 Understand the functions and disorders of the nervous system.

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Presentation on theme: "3.01 Remember the structures of the nervous system 3.02 Understand the functions and disorders of the nervous system."— Presentation transcript:

1 3.01 Remember the structures of the nervous system 3.02 Understand the functions and disorders of the nervous system

2 3.02 Understand the functions and disorders of the nervous system , 3.02 Essential Questions What are the structures of the nervous system? What are the structures of the nervous system? What are the functions of the nervous system? What are some disorders of the nervous system? How are nervous system disorders treated? How does the nervous system relate to the bodys communication systems?

3 3.01 Remember the structures of the nervous system 3 Introduction: Structures of the nervous system

4 3.01 Remember the structures of the nervous system 4 Cellular structures of the nervous system Neuron- a nerve cell Extensions of the neuron Extensions of the neuron Dendrites - many Dendrites - many Axon - one Axon - one

5 3.01 Remember the structures of the nervous system 5 Cellular structures of the nervous system Neuron- a nerve cell Myelin sheath - a special covering of the axon Myelin sheath - a special covering of the axon Synapse – the space between neurons Synapse – the space between neurons

6 3.02 Understand the functions and disorders of the nervous system 6 Functions of the nervous system: Neurons What do they do? How do these functions impact health? Sensory Sensory Motor Motor Associative Associative

7 7 Structures of the nervous system Central nervous system Central nervous system Brain Brain Spinal cord Spinal cord

8 8 Structures of the nervous system Peripheral nervous system Peripheral nervous system Nerves Nerves Cranial nerves Cranial nerves Spinal nerves Spinal nerves Sensory receptors Sensory receptors

9 3.01 Remember the structures of the nervous system 9 BRAIN Structures of the central nervous system: BRAIN

10 3.02 Understand the functions and disorders of the nervous system 10 Functions of the central nervous system: Brain Think about it… How do you use your brain?

11 11 BRAIN Structures of the central nervous system: BRAIN Cerebrum Cerebrum Divided into two hemispheres (right and left) Divided into two hemispheres (right and left) Frontal lobe Frontal lobe Occipital lobe Occipital lobe Parietal lobe Parietal lobe Temporal lobe Temporal lobe

12 12 Functions of the central nervous system: Brain How do you use your Cerebrum? Frontal lobe Parietal lobe Occipital lobe Temporal lobe

13 13 BRAIN Structures of the central nervous system: BRAIN Diencephalon Diencephalon Located between the cerebrum and the midbrain Structures Structures Thalamus Thalamus Hypothalamus Hypothalamus Pineal body Pineal body Pituitary gland Pituitary gland

14 14 BRAIN Structures of the central nervous system: BRAIN Diencephalon Diencephalon Thalamus – spherical mass of gray matter; deep in the cerebral hemispheres Thalamus – spherical mass of gray matter; deep in the cerebral hemispheres Hypothalamus – lies below the thalamus; part of the limbic system Hypothalamus – lies below the thalamus; part of the limbic system Pineal body – endocrine system gland Pineal body – endocrine system gland Pituitary gland – endocrine system gland Pituitary gland – endocrine system gland

15 15 BRAIN Functions of the central nervous system: BRAIN Diencephalon Diencephalon Located between the cerebrum and the midbrain Structures Structures Thalamus Thalamus Hypothalamus Hypothalamus Pineal body Pineal body Pituitary gland Pituitary gland

16 16 BRAIN Functions of the central nervous system: BRAIN Diencephalon Diencephalon Thalamus – spherical mass of gray matter Thalamus – spherical mass of gray matter Hypothalamus Hypothalamus Pineal body Pineal body Pituitary gland Pituitary gland

17 17 BRAIN Structures of the central nervous system: BRAIN Limbic system Limbic system Located in the center of the brain Located in the center of the brain Encircles the top of the brain stem. Encircles the top of the brain stem. Composed of the amygdala, hippocampus, cingulated gyrus, and other intricate structures. (Informational only for reference.) Composed of the amygdala, hippocampus, cingulated gyrus, and other intricate structures. (Informational only for reference.)

18 18 BRAIN Structures of the central nervous system: BRAIN Cerebellum Cerebellum

19 19 cerebellum? Functions of the central nervous system: Brain How do you use your cerebellum? Discuss the functions of the cerebellum illustrated in this gymnasts picture.

20 20 BRAIN Structures of the central nervous system: BRAIN Brain stem Midbrain Midbrain Pons Pons Medulla oblongata Medulla oblongata

21 21 Functions of the central nervous system: Brain How do you use your brain stem? Midbrain Midbrain Pons Pons Medulla oblongata Medulla oblongata

22 22 Functions of the central nervous system: Brain Discuss the relevance of the brain stem for these functions?

23 23 BRAIN Structures of the central nervous system: BRAIN Meninges Meninges Dura mater Dura mater Outermost layer Outermost layer Arachnoid Arachnoid Middle layer Middle layer Pia mater Pia mater Innermost layer Innermost layer

24 24 BRAIN Structures of the central nervous system: BRAIN Ventricles - Ventricles - lined cavities deep within the brain filled with cerebrospinal fluid Choroid plexus – rich network of blood vessels

25 25 Spinal Cord Structures of the central nervous system: Spinal Cord Surrounded by the vertebrae, meninges, and cerebrospinal fluid Surrounded by the vertebrae, meninges, and cerebrospinal fluid

26 26 Functions of the central nervous system: Spinal Cord Discuss the functions of the spinal cord. What is the relevance to health? Brain Body Structures

27 27 Structures of the peripheral nervous system Peripheral nervous system Peripheral nervous system 12 cranial nerves 12 cranial nerves 31 pairs of nervous 31 pairs of nervous Anterior View Posterior view

28 28 Structures of the peripheral nervous system I. Olfactory I. Olfactory II. Optic II. Optic III. Oculomotor III. Oculomotor IV. Trochlear IV. Trochlear V. Trigeminal V. Trigeminal VI. Abducens VI. Abducens VII. Facial VII. Facial VIII. Vestibulocochlear VIII. Vestibulocochlear IX. Glossopharyngeal IX. Glossopharyngeal X. Vagus X. Vagus XI. Accessory XI. Accessory XII. Hypoglossal XII. Hypoglossal

29 29 Structures of the peripheral nervous system Peripheral nervous system Peripheral nervous system 31 pairs of spinal nerves 31 pairs of spinal nerves

30 30 Structures of the peripheral nervous system Motor system Motor system Autonomic nervous system Autonomic nervous system Sympathetic nervous system Sympathetic nervous system Parasympathetic nervous system Parasympathetic nervous system Somatic nervous system Somatic nervous system

31 31 Autonomic nervous system Sympathetic nervous system Sympathetic nervous system Extends from the base of the brain, along both sides of the spinal column Extends from the base of the brain, along both sides of the spinal column These nerves connect to all internal organs These nerves connect to all internal organs Parasympathetic nervous system The vagus nerve connects the medulla with organs of the upper body The pelvic nerve emerges from the spinal cord and connects with the organs of the lower body

32 32 Somatic nervous system These nerves are located along the spinal cord. These nerves are located along the spinal cord. Connect skeleton, muscles and joints to the brain. Connect skeleton, muscles and joints to the brain.

33 33 Functions of the Peripheral nervous system Cranial Spinal What do the peripheral nerves do? What is their relevance to health? Also calledsensory-somatic nervous system

34 34 Structures of the central and peripheral nervous systems Check your knowledge…

35 35 Structures of the nervous system Remember this!

36 36 Functions of the nervous system Discuss the relevance of the nervous system to the bodys communication systems.

37 37 Disorders of the nervous system and their treatments Alzheimers disease Who is at the greatest risk of developing Alzheimers disease? What are the symptoms? How is it treated? How is it prevented?

38 38 Disorders of the nervous system and their treatments Cerebral palsy What is cerebral palsy? How is it treated? Which healthcare team members will take care of the patient with cerebral palsy? cause Multiple Causes

39 39 Disorders of the nervous system and their treatments Epilepsy What is epilepsy? What are the symptoms? How is it treated? Should a person with epilepsy be allowed to drive?

40 40 Disorders of the nervous system and their treatments Hydrocephalus Hydro- cephal -us Define the terms. Do the meanings of the parts represent the whole? Who is most likely to develop hydrocephalus? How is it treated?

41 41 Disorders of the nervous system and their treatments Meningitis What causes of meningitis? What are the symptoms? How is it treated?

42 42 Disorders of the nervous system and their treatments Multiple sclerosis What are the symptoms? Who is most likely to develop it? How is it treated? What is the prognosis?

43 43 Disorders of the nervous system and their treatments Neuritis neur- -itis Discuss the terms. Discuss the pattern of symptoms presented and why. How is neuritis prevented?

44 44 Disorders of the nervous system and their treatments Paralysis disabling of a nerve How does this quote relate to paralysis? What are the symptoms? What is the prognosis?

45 45 Disorders of the nervous system and their treatments Parkinsons disease What are the symptoms of Parkinsons disease? Who is most likely to have this disorder? How is it treated?

46 46 Disorders of the nervous system and their treatments Poliomyelitis What is the impact of this disorder? How can it be prevented? How is it treated? What is the prognosis?

47 47 Disorders of the nervous system and their treatments Spinal cord injury What are the symptoms? What determines a patients symptoms? How is it treated? What are the risk factors for teens?

48 48 Disorders of the nervous system and their treatments West Nile Virus Where is the greatest incidence of West Nile virus? What are the risk factors? How is it prevented? How is it treated?

49 49 Disorders of the nervous system and their treatments What are some common symptoms of neurological disorders? What are some common symptoms of neurological disorders? What are some common prognoses? What are some common prognoses? Why do these commonalities exist? Why do these commonalities exist?

50 Essential Questions What are the structures of the nervous system? What are the structures of the nervous system? What are the functions of the nervous system? What are some disorders of the nervous system? How are nervous system disorders treated? How does the nervous system relate to the bodys communication systems?


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