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Nervous tissue i
- 2. Glial Ce ll
Neural tissue consists of:
n e u ro n s and glial ce lls
N e u ro n s
- 3. MAIN TYPES OF NEURONES,
ACCORDONG TO THE MORPHOLOGY:
UNIPOLAR
BIPOLAR
PSEUDOUNIPOLAR
MULTIPOLAR
- 5. PSEUDOUNIPOLAR NEURONES
76. Spinal ganglion, HE. (high power magnification)
Pseudounipolar neurones-perikaryon
(nucleus, nucleolus)
Satellite cell nucleus
Peripheral nerve fibers A-cell
D-cell
Axon
Schwann cell nucleus
- 8. MULTIPOLAR NEURONES IIa.
Deiters motoneurones
80. Spinal cord, HE (low power magnification)
Central canal
Gray matter
White matter
Ventral horn
(Deiters motoneurones)
- 9. MULTIPOLAR NEURONES IIb.
Deiters motoneurones
80. Spinal cord, HE (medium power magnification)
Multipolar
neurones Ventral horn
White matter
- 10. MULTIPOLAR NEURONES IIc.
Deiters motoneurones
80. Spinal cord, HE (high power magnification)
Multipolar
neurone
Glial cell
nucleus
Capillary
- 11. MULTIPOLAR NEURONES IId.
Deiters motoneurones
80. Spinal cord, HE (high power magnification)
Nucleus
Multipolar
neurone
Nucleolus
Glial cell
nucleus
Capillary
- 12. MULTIPOLAR NEURONES IIe.
Deiters motoneurones
80. Spinal cord, HE (high power magnification)
Glial cell
nucleus
Multipolar
neurone
Nissl-substance
Nucleolus
Nucleus
- 13. NEUROGLIA
GLIA CELLS GLIA CELLS
IN THE PNS IN THE CNS
- Schwann cell - Oligodendrocytes
- Satellite cell - Microglia
- Astrocyte
- Ependyma
- 16. PERIPHERAL NERVE IN TRANSVERSE SECTION
Paraneurium
Epineurium
Perineurium
Adipose tissue Endoneurium
Artery, Vein
- 17. PERIPHERAL NERVE IN TRANSVERSE SECTION
72. Peripheral nerve, HE. (low power magnification)
Perineurium
Schwann-cell
nucleus
Axon
Myelin sheath
Nucleus of fibrocyte
- 20. PERIPHERAL NERVE IN LONGITUDINAL SECTION
73. Peripheral nerve, HE.
Nucleus of fibrocyte
Node of Ranvier Schwann cell
nucleus
Axon
- 21. PERIPHERAL NERVE IN LONGITUDINAL SECTION
73. Peripheral nerve, HE.
Schwann cell
nucleus
Nodes of Ranvier
- 22. GLIA CELLS IN THE PNS
Pseudounipolar neurons
Satellite cell nucleus
Schwann cell nucleus
- 23. Glial ce lls in th e CN S are m ad e o f
as tro cyte s , o ligo d e n d ro cyte s ,
e p e n d ym al ce lls , an d m icro glial
ce lls .
- 24. Main functions of the astrocytes:
-structural support
-repair processes
-blood-brain barrier
-metabolic exchanges
- scar-making cells
- 25. ASTROCYTES
86. Astrocytes, GFAP
Capillary
Astrocytes
Perivascular
limiting membrane