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Lab5 Nervous tissue skin

Lab5 Nervous tissue skin. Myelinated nerve fiber (No.12) Sympathetic ganglia(No.13) Finger skin (No.14) Head skin (No.5) 5. Quiz1: 11:20-11:40 AM. Jun Zhou （周俊） School of Medicine, Zhejiang University. 20131023.

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Lab5 Nervous tissue skin

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  1. Lab5 Nervous tissueskin Myelinated nerve fiber (No.12) Sympathetic ganglia(No.13) Finger skin (No.14) Head skin (No.5) 5. Quiz1: 11:20-11:40 AM Jun Zhou （周俊） School of Medicine, Zhejiang University 20131023

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

  3. Multipolar neuron • Axon • Axon hillock • Dendrite • Nissl body Motor neuron: HE×400

  4. Axon hillock Motor neuron: HE ×400

  5. Epineurium • Perineurium • endoneurium Myelinated nerve fiber (No.12): HE ×40

  6. Axon • Myelin • neurolemma • Schwann cell • Endoneurium • perineurium Myelinated nerve fiber: HE ×400

  7. Node of Ranvier • Axon • Myelin • neurolemma Myelinated nerve fiber: HE ×400

  8. Neurons • Nerve fiber Sympathetic ganglia (No.13): HE ×40

  9. Nerve fibers neurons Ganglia: HE × 100

  10. Neurons • Satellite cells Sympathetic ganglia: HE × 400

  11. Ganglia: unmyelinated nerve fiber HE × 400

  12. Ganglia: unmyelinated nerve fiber HE × 400

  13. Neuroglial cell : × 400 fibrous astrocyte and protoplasmic astrocyte

  14. Neuroglial cell × 400 Oligodendrocyte

  15. Neuroglial cell × 400 Microglia

  16. Lamellar corpuscle × 100 Pacinian corpuscle

  17. Tactile corpuscle × 100 Meissner’s corpuscle

  18. Tactile corpuscle × 400

  19. Motor end plate × 40 Neuromuscular junction

  20. Motor end plate × 400

  21. epidermis Papillary layer Reticular layer dermis Finger skin

  22. Epidermis • The stratum basal • The stratum spinosum • The stratum granulosum • The stratum lucidum • The stratum corneum • Dermis • Papillary layer • Reticular layer hypodermis Finger skin (No.14)

  23. Meisser’s corpuscle, touch receptor

  24. Secretory portion • Simple pyramidal epi. • Myoepi.cell • Basement membrane • Ducts Stratified cuboidal Epi. Sweat gland in the reticular layer

  25. Epidermis • Dermis • hairs • Sebaceous glands • Arrector pili muscles • Sweat glands Head skin (No.5)

  26. Hair Hair trunk Hair root Hair follicle • Sebaceous glands • Arrector pili muscles Head skin

  27. Hair bulb • Dermal papilla • Root sheath • Dermal sheath (CT sheath)

  28. Sebaceous glands • Ducts end at upper part of hair follicle • Filled with lipid droplets

  29. The end!

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