Nervous Tissue an der Pomeranian Academy Of Medicine In Szczecin | Karteikarten & Zusammenfassungen

Lernmaterialien für nervous tissue an der Pomeranian Academy of Medicine in Szczecin

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preganglionic parasympathetic nerves
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in medulla and midbrain and sacral of spinal cord

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what is terminal arborization?
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branching of axons -> branches callen collaterals
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capillary endothelium
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  • cells tightly sealed with occluding junctions
  • no transcytosis
  • surrounded by basement membrane
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arachnoid
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2 components
  • 1. sheet of CT in contact with dura
  • 2. system of loosely arranged trabeculae composed of collagen&fibroblast, continuous with pia mater
  • spongy subarachnoid space surrounding trabeculae, filled with CSF -> cushion, protection
  • avascular (lack nutritive capillaries)
  • large blood vessels

in skull
  • subarachnoid soace communicates with ventricles of brain where CSF produced
  • can penetrate into blood-filled dural venous sinuses -> arachnoid villi
  • arachniod villi absorp csf into blood of venous sinuses

spinal cord 
  • fewer trabeculae -> easier to seperate it from  pia
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CSF function
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  • clear, Na+, K+, Cl-
  • little protein
  • sparse lymphocytes 
  • fills ventricles, central canal of spinal cord, dubarachnoid and perivascular space
  • provides ions for CNS activity
  • absorbs mechanical shock in arachnoid
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thin middle layer of cerebellar cortex
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purkinje cells with dendrites extending throughout molecular layer (network)
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glial cells
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- short process, support & protect neurons (survival and activity)
- participate in many neural activities, neural nutrition and cell defense
- develop from neural plate
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sympathetic division 
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ganglia close to CNS and controls bodys response during emergencies and excitement
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posterior horns of spinal cord
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contain interneurons which receive sensory fibers from neurons in spinal (dorsal root) ganglia
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what happens if the acon is detached from the body?
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distal part degenerates and undergoes phagocytosis 
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neurolemma
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cell membrane neurons
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what can be found in the folded cerebral cortex?
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  • 6 layers of neurons with different sizes & shapes 
  • pyramidial neurons
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  • 5358 Karteikarten
  • 81 Studierende
  • 1 Lernmaterialien

Beispielhafte Karteikarten für deinen nervous tissue Kurs an der Pomeranian Academy of Medicine in Szczecin - von Kommilitonen auf StudySmarter erstellt!

Q:
preganglionic parasympathetic nerves
A:
in medulla and midbrain and sacral of spinal cord

Q:
what is terminal arborization?
A:
branching of axons -> branches callen collaterals
Q:
capillary endothelium
A:
  • cells tightly sealed with occluding junctions
  • no transcytosis
  • surrounded by basement membrane
Q:
arachnoid
A:
2 components
  • 1. sheet of CT in contact with dura
  • 2. system of loosely arranged trabeculae composed of collagen&fibroblast, continuous with pia mater
  • spongy subarachnoid space surrounding trabeculae, filled with CSF -> cushion, protection
  • avascular (lack nutritive capillaries)
  • large blood vessels

in skull
  • subarachnoid soace communicates with ventricles of brain where CSF produced
  • can penetrate into blood-filled dural venous sinuses -> arachnoid villi
  • arachniod villi absorp csf into blood of venous sinuses

spinal cord 
  • fewer trabeculae -> easier to seperate it from  pia
Q:
CSF function
A:
  • clear, Na+, K+, Cl-
  • little protein
  • sparse lymphocytes 
  • fills ventricles, central canal of spinal cord, dubarachnoid and perivascular space
  • provides ions for CNS activity
  • absorbs mechanical shock in arachnoid
Mehr Karteikarten anzeigen
Q:
thin middle layer of cerebellar cortex
A:
purkinje cells with dendrites extending throughout molecular layer (network)
Q:
glial cells
A:
- short process, support & protect neurons (survival and activity)
- participate in many neural activities, neural nutrition and cell defense
- develop from neural plate
Q:
sympathetic division 
A:
ganglia close to CNS and controls bodys response during emergencies and excitement
Q:
posterior horns of spinal cord
A:
contain interneurons which receive sensory fibers from neurons in spinal (dorsal root) ganglia
Q:
what happens if the acon is detached from the body?
A:
distal part degenerates and undergoes phagocytosis 
Q:
neurolemma
A:
cell membrane neurons
Q:
what can be found in the folded cerebral cortex?
A:
  • 6 layers of neurons with different sizes & shapes 
  • pyramidial neurons
nervous tissue

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