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PHYSIOLOGY OF NEURON

TermDefinition
Dua jenis electrical signal Graded potential, Action potential
Graded potential terbahagi kepada 3 Receptor potential, Post synaptic Potential, End plate potential
Jarak komunikasi Graded potential adalah Short distance communication
Jarak komunikasi action potential adalah Long distance communication
Action potential juga dikenali sebagai Impuls saraf
Sekiranya stimulus yang dihasilkan adalah rendah, graded potential yang terhasil juga rendah. Hal ini menyebabkan.. Graded potential tidak dapat sampai ke axon hillock untuk menghasilkan action potential
Pada bahagian manakah electrical signal bergerak pada neuron? Membrane plasma Neuron
Pada extracellular fluid (ECF) , terdapat ion... Sodium (Na+), chloride (Cl-)
Dalam intracellular fluid (ICF) pada neuron, terdapat ion-ion.. Potassium (K+), Phosphate (PO4³-), Protein (p-)
Kandungan ion ___ adalah tinggi pada ekstracellular fluid Sodium (Na+)
Kandungan ion sodium (Na+) adalah ___ berbanding ion chloride (cl-) pada ECF , hal ini menyebabkan caj pada ECF adalah (positive/negative). Tinggi, Positive
Kandungan ion potassium (K+) adalah ___ pada ICF berbanding ion ___ dan ___. Hal ini menyebabkan caj pada ICF adalah (positive/negative). Rendah, Phosphate (PO4³-), Protein (p-), Negative
Apakah yang dimaksudkan dengan RMP? Resting Membrane Potential, -Neuron berada dalam keadaan polarised , -Terdapat perbezaan kepekatan ion merentasi membrane plasma iaitu + pada ECF dan - pada ICF.
Senaraikan 4 jenis channel i. Leakage channel ii. Ligand-Gated channel iii. Mechanical-Gated channel iv. Voltage-Gated channel
Fungsi Leakage channel adalah untuk to stablish polarization
Semasa polarized, potassium (K+) yang keluar adalah lebih banyak berbanding sodium (Na+) yang masuk. Ini kerana.. Leakage channel untuk potassium (k+) adalah lebih banyak berbanding leakage channel untuk sodium (Na+)
Created by: Ogy
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