Neurochemistry

Synaptic cleft by Acetylcholinesterase (AChE) What degrades Acetylcholine and where? Acetylcholine What is the most widespread neurotransmitter in the nervous system? -Motor neurons of spinal cord to innervate muscle of body -Motor neurons of cranial Read more…

Neurochemistry!

Acetylcholine MADE FROM: Dietary choline Acetylcholine MECHANISM: Excitatory & Inhibitory Acetylcholine LOCATION: Autonomic Nervous System Motor Neurons CNS Acetylcholine FUNCTION: Visceral function Movement Memory Acetylcholine DISORDER: Myasthenia gravis Alzheimer’s Disease (too little ACh) –> Plaques Read more…

Neuro Chemistry

neurochemistry focuses on the basic chemical composition and processes of the nervous system neuropharmacology is the study of compounds that selectively affect the nervous system EP or adrenaline chemical messenger that acts as a hormone Read more…

Neurochemistry

Acetylcholine 1. Pontomesencephalic Tegmentum 2. Basal Forebrain (Nucleus Basalis of Meynert) and Medial Septum Norepinephrine 1. Locus Ceruleus in pons 2. Lateral Tegmentum of pons 3. Lateral/ventrolateral tegmentum of medulla Serotonin 1. Raphe nucleus of Read more…

PCOL Exam 2: Neurotransmission & Basic Neurochemistry

GABA meaning Gamma amino-butyric acid Major inhibitory transmitter in brain GABA synthesis Enzyme=glutamic acid decarboxylase COOH removed from glutamic acid to make GABA GABA inactivation Reuptake=major means of inactivation Broken down by GABA-transaminase Catabolism blocked Read more…

Basic Neurochemistry

neurotransmitter characteristics 1) vesicle storage 2) Ca dependent release 3) interaction with postsynaptic target *interaction with target should illicit uniform response neuromodulator almost meets all of criteria of neurotransmitter but some discrepancy have slow and Read more…

Neurochemistry

Dendrites – Multiple per cell forming arbors, non/spiny; clustered near soma; highly plastic – Organise, respond, synthesise inputs to neuron DNA nucleus contains the DNA (DNA the same in every nucleus).. Chromatin determines cell expression Read more…

Neurochemistry Concepts

what are the three protective features of the brain? the blood brain barrier, the bony skull, and the cerebral spinal fluid, which provides cushioning for the brain what is an example of a leak channel Read more…

neurochemistry

synthesis of Ach Acetyl CoA + choline via choline acetyltransferase (ChAT) Elimination of Ach via acetylcholinesterase to choline and acetate (choline is re-used) synthesis of dopamine tyrosine –> DOPA via tyrosine hydroxylase –> dopamine by Read more…

Neurochemistry & Psychopharmacology (Lecture Notes)

acetylcholine synthesis: enzyme + choline acetyltransferase, acetylcholenzyme A+choline+acetyltransferases breakdown: acetylcholinesterase breaks it back down receptors: nicotinic receptors – bound by nicotine, found in brain and muscle cells muscarinic receptors – bound by muscarine neurochemicals neurotransmitters, Read more…

Fundamentals of Neurochemistry

Organization of the nervous system CENTRAL PERIPHERAL (divided into autonomic and somatic) Autonomic nervous system Part of the PNS Divided into sympathetic, enteric, and parasympathetic nervous systems Somatic nervous system Part of the PNS Associated Read more…

NeuroChemistry

Neurotransmitter The function of a/an ______ depends on what region it innervates and its receptor Acetylcholine Attention and memory; N.trans. Basal Nucleus Where acetylcholine is made Acetylcholine Sugar + Choline from Lecithin Norepinephrine Arousal/Wake up; Read more…

EXAM 3: Neurochemistry

Increased release induces epilepsy aspartate & glutamate Classified as an excitatory neurotransmitter aspartate & glutamate Classified as an inhibitory neurotransmitter GABA & glycine Classified as a peptide neurotransmitter endorphins & substance P Classified as a Read more…

Neurochemistry I

Three Characteristics of Neurotransmitters Stored in Presynaptic Vesicles Released in Ca²⁺-dependent manner Capable of interacting with a membrane-bound receptor to produce an effect Small Molecule Nuerotransmitters Acetylcholine, Amino Acids and Amino Acid Derivatives Two Types Read more…

Neurochemistry on behaviour

Neurotransmitter Is a chemical released from a neurone, it travels across the synapses and is received by another neurone Excitatory Trigger the receiving neurone to send an impulse and stimulate the brain Excitatory effects Effect Read more…

Part 3 : Neurochemistry

Neurochemistry Any chemical that are in the brain. Ex) Myeline, cell membrane, etc. Neurotransmitter A chemical molecules that transmits messages between neurons. Otto Loewi & Sir Henry Dale Two scientists who won the Nobel prize Read more…

Neurochemistry Terms

what is neuroplasticity the brain’s ability to reorganize itself by forming new connections between dendrites; changes in the spine/thorn morphology of the dendrites are associated with learning and memory. What is the function of the Read more…