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
ليه الكوكاين بيعمل ادمان ؟
blocking reuptake of E+NE+Dopamine
casuing Euphoria
Serotonin function
NT+
MOOD releving pain
appetite + temperatue regulation
Melatonin for sleep
Smooth muscle contraction
Git muscel contraction
Feeding as NE
Mention 2NT for feeding ?
Serotoinin
Ne
NT for sleeping
Serotonin and Melatonin
mention clincal application for serotoonin
LSD incrasing serotinin and hallucination
Histamine appear in ?
Hypothalmus + Pituitary
Mention types of histamine receptors
H1 = AROUSAL
H2= HCL
H3=SELF INHIBIITON
H4=Bone marrow for WBCs synthesis Regulation
MAOI double edged weapon
Increasing dopamine releiving parkinsonsm
increasing NE +E F casuing HTN
pRinciple Inhibitory NT ?
GABA
Functions of GABA 1
presynaptic inhibtion
Benzodiazpine functions
incrasing ability of GABA to activate its receptrors so works as
3antis+s
Anxiolytics
antispamodic
antiConvulsants
Sedative+hypnotics
Alzhemir imbalnce of Neurotranmsitter occure show !
Decreased Ach
Increased Glutamte
Compare glycine and GABA
glycine post synaptic inhibtion
GABA presynaptic inhibtion
Compare between site of glycine and NE
Glycine Meudulla + Spinal cord
NE: pONS + MEDULLA
they have Medulla in common
glycine blocking?
Strychnine
Princpale inhibotry
princeple excitatory
1- GABA
2-GLUTAMTE
Glutamte is called Excitotoxin why?
As its level if rised severly casuing Sever Excitation and Neurotoxicity
Mention 3 cases in which glutamte increases
Alzhemir
Stroke
Parkinsonism
ASPPPPPP
The Only NT secreted By Demand?
Nitric Oxide
NO found in and functions?
Limbic system as dopamine
Memory+emotions
Substance p
Pain excitor
in brainstem + spinal cord
it is slowly acting
hYpothalmic Relasing Hormones Mention
CTPGG
Corticotrohins realsing hormones for ACTH
tHYROtrophin relasing hormone TSH
pROLactin releasing hormones for Prolactin
Gonadotropins releasing hormones for FSH -LH
Growh hormone releasingg Hormone
Strong inhibtion of pain ?
Serotonin
Neurohormones
hypothalamic relasing hormones
Ach appear in ?
Motor cortex
THALAMJS 2 HIGHRST CONC
Basal ganglia
Preganglionic autonimc
post ganglionic para
post ganglionic symp for ?
1-sweat glands + blood vessels
Adenosins atp NO
aRE NEUROMODULATOR MODULATING THE ACTION OF NEURONS FOR LONG TIME
GABA WORK
OPEN CL- Chs casuing hyperpolarization
receptor of glutamate
NMDA AMPA KINATE
Opiod peptides ?
Morphine like acions
تم بحمد الله