Nervous tissue Neuron (No.11, spinal cord)

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Presentation transcript:

Nervous tissue Neuron (No.11, spinal cord) Myelinated nerve fiber (NO.12) Sympathetic ganglia(N0.13)

Nerve tissue: neuron+neuroglia Neuron: gray matter (CNS), ganglia (PNS) Posterior horn Anterior horn

Motor neuron: HEX400 Multipolar neuron Axon Axon hillock Dendrite Nissl body Motor neuron: HEX400

Motor neuron: HE X400

Myelinated nerve fiber: HE X40 Epineurium Perineurium endoneurium Myelinated nerve fiber: HE X40

Myelinated nerve fiber: HE X400 Axon Myelin Schwann cell endoneurium Myelinated nerve fiber: HE X400

Myelinated nerve fiber: HE X400 Node of Ranvier Axon Myelin Myelinated nerve fiber: HE X400

Sympathetic ganglia: HE X40 Neurons Nerve fiber Sympathetic ganglia: HE X40

Ganglia: HE X100

Sympathetic ganglia: HE X400 Neurons Satellite cells Sympathetic ganglia: HE X400

Ganglia: unmyelinated nerve fiber HEX400

Ganglia: unmyelinated nerve fiber HEX400

Neuroglial cell : X400 fibrous astrocyte and protoplasmic astrocyte

Neuroglial cell X400 Oligodendrocyte

Neuroglial cell X400 Microglia

Lamellar corpuscle X100 Pacinian corpuscle Pacinian corpuscles are deep pressure receptors for mechanical and vibratory pressure Lamellar corpuscle X100 Pacinian corpuscle

Tactile corpuscle X100 Meissner’s corpuscle Messiner’s corpuscles are localized within dermal papillae and serve as touch receptors Tactile corpuscle X100 Meissner’s corpuscle

Tactile corpuscle X400

Motor end plate X40 Neuromuscular junction

Motor end plate X400

The end!