Neurotransmitters Flashcards
بسم الله الرحمن الرحيم وبه نستعين
اللهم ادخلني مدخل صدق واخرجني مخرج صدق واجعل لي من لدنك سلطانا نصيرا
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NeuroTranmitters ?
Endogenous substance communicating nuerons with each other and effectors
Classify Nts at
size and speed
Small rapidly acting:
Ahmed CAN
Ach _ Catechoamines -aminoacids -Nitric Oxide
Large slowly acting:
2P+H
Peptides + pituitary peptides
Hypothalamic releasing Hormones
NTs Works in ?
Local
Nearby neurons
Horomnes in blood
What is neostigmine ?
Short acting cholinestrases used in myathenia gravis
Therapy of Myathenia gravis
Neostigmine+Cortisol
Dopamine site and effect and receptor nembers ?
Basal ganlgia +limbic system
Inhibitory effect
5 receptors Ds
NE found in ?
Brainstem Pons+Medulla oblongata
Ach released from ?
Effect?
Receptors ?
Motor Cortex + Thalamus
Eciatatory
Muscarininc + Nicotinic receptors
Ach responsible for?
arousal as histamine + Learning
Decreasd Ach in ?
Alzhemir
Myathenia Gravis
Dopamine imbalance cause ?
decreasd= parkinsosinsm
Increased=Schizophrenia
NE IS EXCITATORY OR INHIBITORY?
Excitatory + inhibitory
Excita Alpha 1
Inhibits B2
أيه اهمية النور ادرينالين في حياتك ؟
BMAroF
BP Regulation
Mood as serotonin
Arousal as histamine +Ach
Feeding desire
Decreased NE casuse?
AdhD
ADHD
Depression
Hypotension
NTs casuing arousal ?
NE
Histamine
Ach
طيب الادرينالين محفز ولا مثبط ؟
محفز ومثبط
محفز الفا 1
مثبط بيتا 2
Compare between E and NorE IN SITE
NE brainstem Pons +Medulla
E brainstem Reticular Formation
Pheochrmomcytoma effects?
Attacks ! of
Hypertension
Hyper glycemina
why attacks ?
due to the propttion of E is pulsatile ! increasing then decrasing
Compre between site of Serotonin and NE
Each from brainstem but?
Serotonin: Midbrain+pons
NE:pONS+Medulla
so thay have Pons in common