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Class Notes for Physiology at University of Toronto St. George

PSL300H1 Lecture Notes - Lecture 33: Myocyte, Endoplasmic Reticulum, Nicotinic Acetylcholine Receptor
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Lecture 33 34 What is a motor Motor neuron (with many axons) + associated muscle fibers unit? Where do Neuro-muscular junction motoneurons synapse? Where are the Sarcomeres contractile filaments in skeletal muscles? What ...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 32: Ventrolateral Preoptic Nucleus, Reticular Formation, Tuberomammillary Nucleus
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Lecture 32 What is the Neuronal oscillator circadian rhythm governed by? Where does da- Retinal input from ganglion cells with melanopsin (detects bluegreen night cycle come light) from? Where does the Superchiasmatic nucl...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 31: Arcuate Nucleus, Melanocortin, Solitary Tract
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Lecture 31 How does the Axonal projection hypothalamus interact with autonomic centres and the brainstem? How does the Through pituitary gland hypothalamus interact with the endocrine system? Where does the Nucleus of the ...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 29: Erection, Chromaffin Cell, Adrenergic Receptor
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Lecture 30 Where are SNS preganglionic o Thoracolumbar spinal cord ANS neurons PNS located? o Brain stem o Sacral spinal cord What transmitter ACh do preganglionic Binds to nicotinic receptor on autonomic ganglia for both ...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 29: Premotor Cortex, Motor Cortex, Proprioception
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Lecture 29 What do rubrospinal Localized synergies especially in distal limbs and in the face cells in the red E.g. gripping and twisting movements of hands nucleus in the midbrain activate? What is synergy? group of muscl...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 28: Cpg Site, Bipedalism, Mechanoreceptor
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Lecture 28 What is a CPG? Networks of interneurons in the spinal cord and brainstem coordinate the interaction of many different motor groups (locomotion, respiration) Can stretch reflex No restore posture after perturbati...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 27: Posterior Grey Column, Tendon Reflex, Stretch Reflex
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Lecture 27 What do simple Sensory neuron directly synapsing with motor neurons in the spine reflexes involve? What is the difference Polysynaptic loops have interneurons between monosynaptic and polysynaptic reflexes? Desc...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 26: Olfactory Bulb, Cribriform Plate, Cranial Nerves
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Lecture 26 Is chemoreception Yes bacteria used it to look for food and mates old? Is the olfactory Yes epithelium pigmented? How many primary Around 400 reflects the number or odorant receptors, each receptor odors are the...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 25: Dorsal Root Ganglion, Mechanoreceptor, Dermis
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Lecture 25 What is Awareness of position of body parts relative to each other proprioception? What is Detection of tissue damage through pain or itch nociception? What type of cells Neurons are somatosensory ones? Where ar...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 24: Cochlear Duct, Eustachian Tube, Oval Window
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Lecture 24 What does the 1. Pinna external ear consist 2. Ear canal of? 3. EardrumTympanic membrane What exists beyond Middle ear air filled space connected to pharynx via Eustachian tube the eardrum? Inner ear cochlea and...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 23: G Cell, Melanopsin, Color Vision
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Lecture 23 What does color Wavelength depend on? What is Distance from one peak to another of light wavelength? What range can 400nm-700nm we detect? Strong infrared UV light if our lens is removed Why did Power of sun pea...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture Notes - Lecture 22: Metabotropic Glutamate Receptor, Ganglion Cell, Rhodopsin
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Lecture 22 What are They are light sensitive neurons that convert light signals into photoreceptors and electrical energy via phototransduction how do they work? What are the 2 types 1. Cones 6 millionretina of photorecept...

Physiology
PSL300H1
Sandeep Dhillon
PSL300H1 Lecture 4: Calcium Balance
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Lecture 4 Friday, December 7, 2018 3:58 PM Calcium Balance: 2+ 3 hormones control Ca homeostasis: 1. Parathyroid hormone (PTH) (increases Ca )+ 2. Calcitriol (Vit D3) (increases Ca ) 2+ 3. Calcitonin (decreases Ca ) Happen...

Physiology
PSL300H1
Nohjin Kee
PSL300H1 Lecture Notes - Lecture 3: Adenylyl Cyclase, Lipid Bilayer, Nuclear Receptor
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Lecture 3 Friday, December 7, 2018 2:51 PM Receptors and Signalling How do hormones signal? Hormone binds to receptor Changes the conformation and activity of the receptor Alters the activity of intracellular signaling pat...

Physiology
PSL300H1
Nohjin Kee
PSL300H1 Lecture Notes - Lecture 2: Endoplasmic Reticulum, Extracellular Fluid, Exocytosis
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Lecture 2 Thursday, December 6, 2018 11:39 PM Classification of hormones and control of release What are some features of hormones? Can be made in different parts in the body Chemicals made by cells in specific endocrine g...

Physiology
PSL300H1
Nohjin Kee

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