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Class Notes for BIOS1171 at University of Sydney

Neuroscience

BIOS1171 Lecture Notes - Lecture 3: Extraocular Muscles, Occipital Lobe, Hypoglossal Nerve

Week 3 Notes Cranial Nerves: numbered from most rostral to most caudal Nerve 1: under frontal lobes Nerve 2: part of diencephalon Nerves 3-8: part of brainstem Functions - somatic (voluntary) sensory and motor - visc...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 1: Spinal Nerve, Schwann Cell, Sensory Neuron

BIOS1171 Week 1 Notes Nervous System: - consists of nerves and neurons - neuron: nerve cells - consists of peripheral and central nervous systems Central Nervous System: - brain (command centre) located above the spin...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 4: Median Aperture, Arachnoid Granulation, Postcentral Gyrus

Week 4 Notes Cerebral Hemispheres Structure: - front of the brain is higher due to presence of the eye - surface of the brain is not smooth to increase surface are = more cell bodies - grooves in brain = sulci/sulcus ...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 2: Substantia Gelatinosa Of Rolando, Nucleus Proprius Of Spinal Cord, Dorsal Root Ganglion

Week 2 Notes Lecture 1 Spinal Cord Spinal Cord: -> with medulla - 2cm diameter - 42-45cm length PNS: - bunch of cell bodies grouped together in the periphery = dorsal root ganglion - groups of fibres = nerves and ple...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture 5: Week 5 Notes

Week 5 Notes Somatosensation: Receptor neuron that responds to a particular type of stimulus Adequate Stimulus the stimulus most appropriate to a particular receptor Sensation conscious experience produced by a stimulus Se...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 10: Cranial Nerve Nucleus, Postcentral Gyrus, Anterior Grey Column

Week 10 Notes Motor System Corticospinal Primary Motor Cortex = Precentral Gyrus = Brodmanns Area 4 - contains a layer of pyramidal cells projects to corticospinal tract - M1 > simple muscle contractions + BA6 > com...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture 8: Week 8 Notes

Week 8 Notes Lecture 1 Auditory and Vestibular Systems Sound: Amplitude loudness measured in decibel units humans can hear from 0120dB Frequency speed of vibration measured in Hz (cyclessecond) physiological range 202...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 9: Golgi Tendon Organ, Tendon Reflex, Stretch Reflex

Week 9 Notes Lecture 1 Posture Motor Unit: single motor neuron + muscle fibre it innervates - greater precision = less fibres by one neuron Phasic Firing: LMN innervates muscles quickly > cycle (contract > relax) Ton...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 7: Bony Labyrinth, Medial Geniculate Nucleus, Cochlear Duct

Week 7 Notes Auditory and Vestibular Structure Ear: External Ear - collects sound waves and passes inwards Middle Ear - filled with air - 3 muscles joined by synovial joints - equalizes air pressure Inner Ear - 2 laby...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 6: Noxious Stimulus, Periaqueductal Gray, Vitreous Body

Week 6 Notes Lecture 1 - Pain Pain: - detected by Nociceptors which detect tissue destruction Nociceptors: - free nerve endings located under the skins surface (superficial to mechanoreceptors) - dont adapt to stimu...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture 22: Lecture 22 Blood Supply

Blood Supply: Lecture 22 Brain Blood Supply: Brain (<2.5 body mass) receives 1520 of CO Many tissues store energy, but the brain cannot store energy can only use glucose (so this must always be supplied to the brain) Adu...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 23: Movement Disorder, Staccato, Stretch Reflex

Note: corticospinal regulates voluntary Cerebellum Anatomy: Lecture 23 movement (of limbs) Cerebellum and basal ganglia Cerebellum & ...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 21: Hemiparesis, Motor Unit, Cranial Nerve Nucleus

Motor System - Corticospinal: Lecture 21 Abbreviations: Cortex Cellular Organisation: 6 layers Layer 5 (V) = internal pyramidal cell layer 1. Golgi Stain identifies ce...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 24: Dystonia, Pallidotomy, Obsessive–Compulsive Disorder

Basal Nuclei: Lecture 24 Basal Nuclei: Groups of nuclei in the CNS that modulate voluntary information AKA Basal Ganglia (however ganglia are in PNS so this term is not used anymore; do not project ...

Biomedical Science
BIOS1171
Jin Huang
BIOS1171 Lecture Notes - Lecture 25: Bradycardia, Bradykinin Receptor B2, Adrenal Medulla

Autonomic Nervous System: Lecture 25 Autonomic Nervous System Overview Overview: Automatic, involuntary Visceral efferent neurons innervate visceral effectors: smooth muscl...

Biomedical Science
BIOS1171
Jin Huang
Laboratory Basics - Reference Guides

Lab safety is the cornerstone principle in this compelling Guide. All international safety symbols are clearly defined, with all basic lab glassware and equipment depicted by text description and diagrams. The Guide also p...

ANAT - Anatomy
ANAT 14
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