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Biology 232 – Physiology & Anatomy 1 Additional Slides for Lecture Exam #3 (With guided notes… be sure to look in the notes sections for PowerPoint in.

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Presentation on theme: "Biology 232 – Physiology & Anatomy 1 Additional Slides for Lecture Exam #3 (With guided notes… be sure to look in the notes sections for PowerPoint in."— Presentation transcript:

1 Biology 232 – Physiology & Anatomy 1 Additional Slides for Lecture Exam #3 (With guided notes… be sure to look in the notes sections for PowerPoint in this document… these will be very helpful!)

2 Wilder Penfield 1891 – 1976 Physician and Neuroscientist who mapped the brain in what became the “homunculus”

3 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Thumb Figure 12.9: Motor and sensory areas of the cerebral cortex, p Genitals Toes Swallowing Tongue Jaw Motor cortex (precentral gyrus) MotorSensory Leg Lips Face Neck Brow Eye Fingers Hand Wrist Elbow Arm Shoulder Trunk Hip Knee Hip Trunk Neck Head Arm Elbow Forearm Hand Fingers Thumb Eye Nose Face Lips Teeth Gums Jaw Tongue Pharynx Intra- abdominal

4 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 12.5: Ventricles of the brain, p (b)(a) Lateral ventricle Posterior horn Third ventricle Cerebral aqueduct Fourth ventricle Median aperture Anterior horn Inter- ventricular foramen Inferior horn Lateral aperture Central canal Lateral ventricle Septum pellucidum Third ventricle Cerebral aqueduct Left lateral viewAnterior view Fourth ventricle Central canal

5 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 12.26: Formation, location, and circulation of CSF, p Superior sagittal sinus Arachnoid villus Subarachnoid space Arachnoid mater Meningeal dura mater Periosteal dura mater Great cerebral vein Tentorium cerebelli Straight sinus Confluence of sinuses Cerebellum Choroid plexus Cerebral vessels that supply choroid plexus Central canal of spinal cord Spinal dura mater Inferior end of spinal cord Filum terminale (inferior end of pia mater) Superior cerebral vein Choroid plexus Cerebrum covered with pia mater Septum pellucidum Corpus callosum Interventricular foramen Third ventricle Pituitary gland Cerebral aqueduct Lateral aperture Fourth ventricle Median aperture (b)

6 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 12.31b: Anatomy of the spinal cord, p (b) Posterior funiculus Posterior median sulcus Central canal Anterior median fissure Pia mater Arachnoid Spinal mater Gray commissure Dorsal (posterior) horn Gray matter Lateral horn Ventral (anterior) horn Anterior funiculus Lateral funiculus White columns Dorsal root ganglion Dorsal root Ventral root Spinal nerve

7 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 13.12a: Dermatomes, p (a) C2 C3 C4 C5 T1 T2 T3 T4 T5 C6 C8 C7 C6 T6 T7 T8 T9 T10 T11 T12 L1 S2 S3 L1 L2 L3 L4 L5 L2 L3 L4 L5 S1 C5 C6 C8 T2 C5 C6 S1

8 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 13.12b: Dermatomes, p (b) C2 C3 C4 C5 C6 C7 C8 C7 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 L1 L2 L3 S1 L5 S2 S1 S3 S2S1S2 S4 S5 L5 L4 L5 L4 C6 C5 L4 L3 L2 L1 L4

9 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 14.2: Comparison of somatic and autonomic nervous systems, p Somatic nervous systemSkeletal muscle Central nervous system Peripheral nervous systemEffector organs Acetylcholine Smooth muscle (e.g., in gut) Acetylcholine Ganglion Adrenal medulla GlandsBlood vessel Cardiac muscle Sympathetic division Autonomic nervous system Acetylcholine Norepinephrine Epinephrine and norepinephrine Ganglion Para- sympathetic division = Preganglionic axons (sympathetic) = Postganglionic axons (sympathetic) = Myelination= Preganglionic axons (parasympathetic) = Postganglionic axons (parasympathetic) Key:

10 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 14.3: Overview of the subdivisions of the ANS, p Salivary glands Eye Skin* Heart Lungs Liver and gall- bladder Pancreas Eye Lungs Bladder Liver and gall- bladder Pancreas Stomach Cervical Sympathetic ganglia Cranial Lumbar Thoracic Genitals Heart Salivary glands Stomach Bladder Adrenal gland ParasympatheticSympathetic Sacral Brain stem L1L1 T1T1 Genitals

11 Marshall Hall 1790 – 1857 English physiologist who first advanced the theory of how the reflex arc worked.

12 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 13.14: The basic components of all human reflex arcs, p Stimulus Receptor Skin Sensory neuron Spinal cord (in cross section) Integration center Interneuron Motor neuron Effector

13 Sigmund Freud

14 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 14.1: Place of the ANS in the structural organization of the nervous system, p CNS Sensory division Motor division PNS Autonomic nervous system Sympathetic division Parasympathetic division Somatic nervous system

15 Human Anatomy and Physiology, 7e by Elaine Marieb & Katja Hoehn Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings. Figure 14.8: Referred pain, p Heart Lungs and diaphragm Liver Gallbladder Stomach Kidneys Ovaries Small intestine Ureters Urinary bladder Colon Pancreas Liver Heart Appendix Gallbladder


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