Biological and Physical Sciences علوم فزیکی و بیولوژیکی Nervous System سیستم عصبی.

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Presentation transcript:

Biological and Physical Sciences علوم فزیکی و بیولوژیکی Nervous System سیستم عصبی

Objective هدف Identify the nerve cell, transmission, central and peripheral nervous systems in relation of Public Health. شناسایی حجره عصبی،انتقال سیاله عصبی و سیستم عصبی مرکزی و محیطی در ارتباط صحت عامه.

OVERVIEW نظر کلی Nerve Cells Transmission Central Nervous System Peripheral Nervous System حجرات عصبی انتقال سیاله سیستم عصبی مرکزی سیستم عصبی محیطی

Nerve Cells حجرات عصبی Neurons The functional unit Has only one axon and can have several dendrites نیورونها واحد وظیفوی دارای یک اکسون و چندین دندرایت میباشد

Nerve Cells حجرات عصبی Cell Body جسم حجره Dendrites دندرایت ها Axons اکسون ها

Nerve Cells حجرات عصبی جسم حجروی دندرایتهااکسونها

This colored scanning electron micrograph shows the synapses, or connections, between two nerve fibers (in purple) and a nerve cell (yellow). The picture is magnified 10,000 times. Nerve Cells – Synapse حجرات عصبی - ساینپس Prevents direct crossing to next neuron

This colored scanning electron micrograph shows the synapses, or connections, between two nerve fibers (in purple) and a nerve cell (yellow). The picture is magnified 10,000 times. Nerve Cells – Synapse حجرات عصبی - ساینپس از عبور مستقیم سیاله به نیورون دیگر ممانعت مینماید

Transmission انتقال 1. Electrical Impluse 2. Chemical Impluse 3. Neurotransmitter 1 0 سیاله های برقی 2. سیاله های کیمیاوی 3. نیوروترانسمیترها

Central Nervous System سیستم عصبی مرکزی BrainCerebrumDiencephalon Brain Stem Cerebellum Spinal column Cerebrospinal fluid Meninges دماغ سیریبورم یا مخ دای اینسفالون ساقه دماغ سیریبولوم یا مخیخ ستون فقرات مایع نخاعی شوکی سحایا

Central Nervous System سیستم عصبی مرکزی

Peripheral Nervous System سیستم عصبی محیطی  Cranial  Spinal Nerves  قحفی  عصاب یکه از ستون فقرات منشه میگیرد

Peripheral Nervous System سیستم عصبی محیطی  Two division  Somatic Nervous System  Autonomic Nervous System  Sympathetic (“Fight or Flight” response)  Parasympathetic  (“Resting and Digesting”

Peripheral Nervous System سیستم عصبی محیطی  دو بخش  سیستم عصبی سوماتیک  سیستم عصبی اتوماتیک  سمپاتاتیک (عکس العملهای جنگ و گریز)  پراسمپاتاتیک (استراحت و هضم)

Division of the Nervous System بخشهای سیستم عصبی

Division of the Nervous System بخش های سیستم های عصبی

Objective هدف Identify the nerve cell, transmission, central and peripheral nervous systems in relation of Public Health. شناسایی حجره عصبی،انتقال سیاله عصبی و سیستم عصبی مرکزی و محیطی در ارتباط صحت مردم.

Summary خلاصه Nerve Cells Transmission Central Nervous System Peripheral Nervous System حجرات عصبی انتقال سیاله سیستم عصبی مرکزی سیستم عصبی محیطی

Questions?? سوالات ؟؟