Catalyst #16 Pg. 81- Take out Flashcards/ Lab Turn in HW to the box 1.Go to the class website Open and do the Catalyst: Anatomy: Lesson 83- Catalyst #16-3/27-3/28.

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Catalyst #16 Pg. 81- Take out Flashcards/ Lab Turn in HW to the box 1.Go to the class website Open and do the Catalyst: Anatomy: Lesson 83- Catalyst #16-3/27-3/28 AND ANATOMY: LESSON 83- Synaptic Transmission PPT-3/27-3/28 Semester 2 Table of Contents 24. Lesson 82- Action Potential Simulation Pg Lesson 83- Synaptic Transmission Pg Assigned Vocabulary- Due TODAY 27. Neuron 28.Axon 29.Dendrite 30.Myelin sheath 31.Nodes of Ranvier 32.Axon terminal 33.Axon hillock 34.Soma 35.Sensory neuron 36.Motor neuron 37.Interneuron 38. Action Potential 39. Resting Potential 40. Threshold 41. All or None Law Assigned Vocabulary- Due Next Th/Fri 42. Synapse 43. Synaptic cleft 44. Pre synaptic neuron 45. Post synaptic neuron 46. Synaptic Vesicle

neuron synapse presynaptic neuron postsynaptic neuron synaptic cleft neurotransmitter

Your explanation here 2 Axon terminal

Announcements No school on Monday/Tuesday Flashcards Due: Next Th/Fri Dissection: 4/6-4/7 Nervous System Unit Test: 4/10-4/11 Notebook Check: 4/10-4/11 3 grades will be input before we go onto spring break!

Critical Vocabulary- Top of Pg. 82  Please write down vocabulary and draw a picture to remind you of what the word means.  Synapse = Place where the 2 neurons meet. It includes the receptors of the 2 neurons along with the synaptic cleft.  Synaptic Cleft = The space in between the axon terminal and the dendrite of two neurons.  Synaptic vesicle = Packaged ball of neurotransmitters. Calcium Channel = Protein channels in the membrane that allow Calcium to come into the axon terminal. Pre-Synaptic Neuron = The neuron who transmits the signal to another neuron (axon terminal of the first neuron). Post-synaptic Neuron = The neuron that receives the signal (the dendrite of the next neuron). Neurotransmitter = the chemical that is released between two neurons to transmit the signal.

Explain how a neural signal is communicated across a synapse.

How do you communicate to your friend in Texas, without any technology?

vocabulary preview SYNAPSE

cleft

vocabulary preview synaptic CLEFT

vocabulary preview PRE SYNAPTIC before the synapse

vocabulary preview POST SYNAPTIC

vocabulary preview POST SYNAPTIC after the synapse

vocabulary preview neuro transmitter brain messenger

vocabulary preview SYNAPSE PRESYNAPTIC POSTSYNAPTIC NEUROTRANSMITTER

A. IBE Directions- Do under your catalyst Directions Part 1: Arrange the pictures in order the order of the pictures on your sheet. Then, arrange the written descriptions in order. Try to match the description with its picture. Part 2. Label the following parts of the picture below: presynaptic neuron, postsynaptic neuron, neurotransmitter, postsynaptic receptor, neurotransmitter transporter, synaptic vesicle Draw and label this whole pic!

Investigate on Your Own- Pg. 84 Fill in the blanks on the same page you did your catalyst Anatomy: Lesson 83- Synaptic Transmission Online Investigation-3/27- 3/28 edu/content/addiction/cros singdivide/ edu/content/addiction/cros singdivide/

Get Ready for Notes Pg Title: Synaptic Transmission

Step 1 INITIATION: The electric signal reaches the axon terminal of the presynaptic neuron. InitiationReleaseBindingEffectRemoval

Step 2 RELEASE: The electric signal causes the synaptic vesicle to fuse with the membrane, releasing neurotransmitters into the synaptic cleft InitiationReleaseBindingEffectRemoval

Step 3 BINDING: Neurotransmitters bind to the receptors on the postsynaptic neuron. InitiationReleaseBindingEffectRemoval

Step 4 EFFECT: Binding of neurotransmitters to the postsynaptic neuron causes a change in the postsynaptic neuron. For example, it may cause the signal to continue to the next neuron or to stop. InitiationReleaseBindingEffectRemoval

Step 5 REMOVAL: The neurotransmitters are either recycled, removed, or deactivated from the synaptic cleft. InitiationReleaseBindingEffectRemoval

Part 3- Label your neuron Presynaptic neuron (axon terminal) Postsynaptic neuron (dendrite) synaptic vesicle neurotransmitter Postsynaptic receptor

Synaptic Transmission InitiationReleaseBindingEffectRemoval

Let’s Check It Out

WHOLE CLASS PRACTICE

#1 #2 presynaptic neuron #3 vesicle postsynaptic neuron

#6 neurotransmitter #4 synaptic cleft #5 vesicle

#8 postsynaptic neuron #7 Postsynaptic receptor #9 neurotransmitter

Pg. 84 Anatomy: Lesson 83- Synaptic Transmissi on Worksheet -3/27-3/28

Exit Ticket- Separate Sheet of Paper -turn into box when done