lab5 nervous tissue skin 1.myelinated nerve fiber (no.12) 2.sympathetic ganglia(no.13) 3.finger skin...
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![Page 1: Lab5 Nervous tissue skin 1.Myelinated nerve fiber (No.12) 2.Sympathetic ganglia(No.13) 3.Finger skin (No.14) 4.Head skin (No.5) 5. Quiz1: 11:20-11:40 AM](https://reader035.vdocuments.mx/reader035/viewer/2022070415/5697bfad1a28abf838c9bccf/html5/thumbnails/1.jpg)
Lab5 Nervous tissueskin
1. Myelinated nerve fiber (No.12)2. Sympathetic ganglia(No.13)3. Finger skin (No.14)4. Head skin (No.5)5. Quiz1: 11:20-11:40 AM
20131023
Jun Zhou (周俊)School of Medicine, Zhejiang University
![Page 2: Lab5 Nervous tissue skin 1.Myelinated nerve fiber (No.12) 2.Sympathetic ganglia(No.13) 3.Finger skin (No.14) 4.Head skin (No.5) 5. Quiz1: 11:20-11:40 AM](https://reader035.vdocuments.mx/reader035/viewer/2022070415/5697bfad1a28abf838c9bccf/html5/thumbnails/2.jpg)
Nerve tissue: neuron+neurogliaNeuron: gray matter (CNS), ganglia (PNS)
Anterior horn
Posterior horn
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Motor neuron: HE×400
Multipolar neuron
Axon
Axon hillock
Dendrite
Nissl body
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Motor neuron: HE ×400
Axon hillock
![Page 5: Lab5 Nervous tissue skin 1.Myelinated nerve fiber (No.12) 2.Sympathetic ganglia(No.13) 3.Finger skin (No.14) 4.Head skin (No.5) 5. Quiz1: 11:20-11:40 AM](https://reader035.vdocuments.mx/reader035/viewer/2022070415/5697bfad1a28abf838c9bccf/html5/thumbnails/5.jpg)
Myelinated nerve fiber (No.12): HE ×40
Epineurium
Perineurium
endoneurium
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Myelinated nerve fiber: HE ×400
Axon
Myelin
neurolemma
Schwann cell
Endoneurium
perineurium
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Myelinated nerve fiber: HE ×400
Node of Ranvier
Axon
Myelin
neurolemma
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Sympathetic ganglia (No.13): HE ×40
Neurons
Nerve fiber
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Ganglia: HE × 100
neurons
Nerve fibers
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Sympathetic ganglia: HE × 400
Neurons
Satellite cells
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Ganglia: unmyelinated nerve fiber HE × 400
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Ganglia: unmyelinated nerve fiber HE × 400
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Neuroglial cell : × 400 fibrous astrocyte and protoplasmic astrocyte
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Neuroglial cell × 400 Oligodendrocyte
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Neuroglial cell × 400 Microglia
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Lamellar corpuscle × 100 Pacinian corpuscle
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Tactile corpuscle × 100 Meissner’s corpuscle
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Tactile corpuscle × 400
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Motor end plate × 40 Neuromuscular junction
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Motor end plate × 400
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Finger skin
epidermis
Papillary layer
Reticular layer dermis
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Finger skin (No.14)
EpidermisThe stratum basal
The stratum spinosum
The stratum granulosum
The stratum lucidum
The stratum corneum
DermisPapillary layer
Reticular layer
hypodermis
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Meisser’s corpuscle, touch receptor
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Sweat gland in the reticular layer
Secretory portionSimple pyramidal epi.
Myoepi.cell
Basement membrane
Ducts
Stratified cuboidal Epi.
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Head skin (No.5)
Epidermis
Dermis
hairs
Sebaceous glands
Arrector pili muscles
Sweat glands
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Head skin
Hair
Hair trunk
Hair root
Hair follicle
Sebaceous glands
Arrector pili muscles
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Hair bulb
Dermal papilla
Root sheath
Dermal sheath (CT sheath)
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Sebaceous glands
Ducts end at upper part of hair follicle
Filled with lipid droplets
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The end!