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3.01 Remember the structures of the nervous system

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Presentation on theme: "3.01 Remember the structures of the nervous system"— Presentation transcript:

1 3.01 Remember the structures of the nervous system

2 3.01 Remember the structures of the nervous system
Essential Question What are the structures of the nervous system? 3.01 Remember the structures of the nervous system

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

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

6 Structures of the nervous system
Central nervous system Brain Spinal cord 3.01 Remember the structures of the nervous system

7 Structures of the nervous system
Peripheral nervous system Nerves Cranial nerves Spinal nerves Sensory receptors 3.01 Remember the structures of the nervous system

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

9 Structures of the central nervous system: BRAIN
Cerebrum Divided into two hemispheres (right and left) Frontal lobe Occipital lobe Parietal lobe Temporal lobe 3.01 Remember the structures of the nervous system

10 Structures of the central nervous system: BRAIN
Diencephalon Located between the cerebrum and the midbrain Structures Thalamus Hypothalamus Pineal body Pituitary gland 3.01 Remember the structures of the nervous system

11 Structures of the central nervous system: BRAIN
Diencephalon Thalamus – spherical mass of gray matter; deep in the cerebral hemispheres Hypothalamus – lies below the thalamus; part of the limbic system Pineal body – endocrine system gland Pituitary gland – endocrine system gland 3.01 Remember the structures of the nervous system

12 Structures of the central nervous system: BRAIN
Limbic system Located in the center of the brain Encircles the top of the brain stem. Composed of the amygdala, hippocampus, cingulated gyrus, and other intricate structures. (Informational only for reference.) 3.01 Remember the structures of the nervous system

13 Structures of the central nervous system: BRAIN
Cerebellum 3.01 Remember the structures of the nervous system

14 Structures of the central nervous system: BRAIN
Brain stem Midbrain Pons Medulla oblongata 3.01 Remember the structures of the nervous system

15 Structures of the central nervous system: BRAIN
Meninges Dura mater Outermost layer Arachnoid Middle layer Pia mater Innermost layer 3.01 Remember the structures of the nervous system

16 Structures of the central nervous system: BRAIN
Ventricles - lined cavities deep within the brain filled with cerebrospinal fluid Choroid plexus – rich network of blood vessels 3.01 Remember the structures of the nervous system

17 Structures of the central nervous system: Spinal Cord
Surrounded by the vertebrae, meninges, and cerebrospinal fluid 3.01 Remember the structures of the nervous system

18 Structures of the central nervous system: Spinal Cord
Peripheral nervous system 12 cranial nerves 31 pairs of spinal nerves 3.01 Remember the structures of the nervous system

19 Structures of the central nervous system
I. Olfactory II. Optic III. Oculomotor IV. Trochlear V. Trigeminal VI. Abducens VII. Facial VIII. Vestibulocochlear IX. Glossopharyngeal X. Vagus XI. Accessory XII. Hypoglossal Cranial nerves 3.01 Remember the structures of the nervous system

20 Structures of the central nervous system
Peripheral nervous system 31 pairs of spinal nerves 3.01 Remember the structures of the nervous system

21 Structures of the central nervous system
Anterior View Peripheral nervous system 12 cranial nerves 31 pairs of nervous Posterior view 3.01 Remember the structures of the nervous system

22 Structures of the central nervous system
Motor system Autonomic nervous system Sympathetic nervous system Parasympathetic nervous system Somatic nervous system 3.01 Remember the structures of the nervous system

23 Structures of the central nervous system Autonomic nervous system
Sympathetic nervous system Extends from the base of the brain, along both sides of the spinal column 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 3.01 Remember the structures of the nervous system

24 Structures of the central nervous system Somatic nervous system
These nerves are located along the spinal cord. Connect skeleton, muscles and joints to the brain. 3.01 Remember the structures of the nervous system

25 Structures of the central nervous system
Check your knowledge… 3.01 Remember the structures of the nervous system

26 Structures of the nervous system
Remember this! 3.01 Remember the structures of the nervous system

27 3.01 Remember the structures of the nervous system
Essential question What are the structures of the nervous system? 3.01 Remember the structures of the nervous system


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