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

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

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

4. Motor neuron: HE X400

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

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

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

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

9. Ganglia: HE X100

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

11. Ganglia: unmyelinated nerve fiber HEX400

12. Ganglia: unmyelinated nerve fiber HEX400

13. Neuroglial cell : X400 fibrous astrocyte and protoplasmic astrocyte

14. Neuroglial cell X400 Oligodendrocyte

15. Neuroglial cell X400 Microglia

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

17. 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

18. Tactile corpuscle X400

19. Motor end plate X40 Neuromuscular junction

20. Motor end plate X400

21. The end!