Physiology 206 Lecture 9 Outline of Last Lecture I Sensory receptors II Pain III Sympathetic and Parasympathetic NS IV Ganglions ganglionic cells Outline of Current Lecture I Cholinergic neurons II Somatic branch of nervous system III Neurotoxins Current Lecture 2 3 14 Cholinergic Neurons o Acetylcholine Achase Acetate Choline o Neurons that release acetylcholine or receive them Norepinephrine o Previously called noradrenaline o Neurons that release receive the are adrenergic or cholinergic Somatic branch o Motor neurons that innervate muscles stimulatory o Use Ach o Final common pathway Motor neurons because they are the last to transmit all information to destination Neurotoxins o Work at the place where motor neurons are stimulated o Black widow spiders Cause massive release of Ach in every motor neuron Every muscle simultaneously contracts These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute o Can t breathe respiratory arrest Botulinum toxin Product of bacteria Most toxic compound Blocks release of Ach Muscles can t contract Can t breathe respiratory arrest
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