BSCI201: Histology of Nervous Tissue

36 cards

Histology of Nervous Tissue


 
  
Created Dec 5, 2009
by
francine j

 

 
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1
NEURONS
 
BASIC FUNCTIONAL UNITS OF NERVOUS TISSUE
2
NEUROGLIA/GLIAL CELLS
 
SUPPORTING CELLS"NERVE GLUE" 
3
CNS NEUROGLIA
 
ASTROCTYESOLIGODENDROCYTES MICROGLIA EPENDYMAL CELLS 
4
PNS NEUROGLIA
 
SHWANN CELLS SATELLITE CELLS 
5
ASTROCYTES
 
CNS NEUROGLIACONTROL THE CHEMICAL ENVIRONMENT AROUND NEURONS 
6
OLIGODENDROCYTES
 
CNS NEUROGLIAMYELINATE THE CYTOPLASMIC EXTENSIONS OF THE NEURONS
7
MICROGLIA
 
CNS NEUROGLIAACT AS PHAGOCYTES 
8
SHWANN CELLS 
 
PNS NEUROGLIA 
9
CELL BODY
 
FROM WHICH SLENDER PROCESSES OR FIBERS EXTENDMAKE UP THE GRAY MATTER OF THE NERVOUS SYSTEM CONTAINS...
10
NUCLEI
 
NUERON CELL BODIES FOUND IN THE CNS IN CLUSTERS
11
GANGLIA
 
NEURON CELL BODIES FOUND OUTSIDE OF THE CNS 
12
NEUROFIBRILS 
 
CYTOSKELETAL ELEMENTS OF THE NEURON HAVE A SUPPORT AND INTRACELLULAR TRANSPORT FUNCTION 
13
NISSL BODIES
 
AN ELABORATE TYPE OF ROUGH ENDOPLASMIC RETICULUM INVOLVED IN THE METABOLIC ACTIVITIES...
14
TWO TYPES OF NEURON PROCESSES
 
DENDRITES & AXONS
15
DENDRITES 
 
RECEPTIVE REGION OF NEURON BEAR RECEPTORS FOR NEUROTRANSMITTERS RELEASED BY OTHER NEURONS NEURONS...
16
AXONS
 
GENERATE AND CONDUCT NERVE IMPULSES NEURONS ONLY HAVE ONETERM = NERVE FIBER 
17
AXON HILLOCK
 
WHERE THE AXON BEGINS JUST DISTAL TO A SLIGHTLY ENLARGED CELL BODY STRUCTURE 
18
AXON TERMINAL
 
AXON ENDS IN THIS A.K.A SYNAPTIC KNOBS
19
SYNAPSE
 
JUNCTION WITH NEURONS OR EFFECTOR CELLS 
20
SYNAPTIC CLEFT
 
EACH AXONAL TERMINAL IS SEPARATED FROM THE CELL BODY OR DENDRITES OF THE NEXT NEURON BY THIS...
21
SYNAPTIC VESICLE
 
CONTAIN, THEN RUPTURE AND RELEASE NEUROTRANSMITTER INTO SYNAPTIC CLEFT
22
MYELINATED FIBERS
 
LONG NERVE FIBERS COVERED WITH A FATTY MATERIAL CALLED MYELIN
23
MYELIN
 
FATTY MATERIAL COVERING LONG NERVE FIBERS INSULATES FIBERS AND GREATLY INCREASES THE SPEED...
24
SCHWANN CELLS
 
PNS SUPPORTING CELL HEAVILY MYELINATE AXONS IN THE PNS WRAP THEMSELVES TIGHTLY AROUND...
25
NEURILEMMA/SHEATH OF SCHWANN
 
PERIPHERAL PART OF SCHWANN CELL AND ITS EXPOSED PLASMA MEMBRANE(AFTER MYELINATION SCHWANN CELL NUCLEUS...
26
NODES OF RANVIER/NEUROFIBRIL NODES
 
GAPS OR INDENTATIONS IN THE SHEATH 
27
OLIGODENDROCYTES
 
MYELINATE AXONS IN THE CNS DO NOT EXHIBIT NEURILEMMA  
28
UNIPOLAR NEURONS
 
ONE VERY SHORT PROCESSDIVIDES INTO PERIPHERAL AND CENTRAL PROCESSES ONLY THE MOST DISTAL...
29
BIPOLAR NEURONS 
 
HAVE TWO PROCESSES ATTACHED TO THE CELL BODY FOUND ONLY AS PART OF THE RECEPTOR APPARATUS...
30
MULTIPOLAR NEURONS 
 
MANY PROCESSES ISSUE FROM THE CELL BODY ALL CLASSIFIED AS DENDRITES EXCEPT SINGLE AXON MOST...
31
SENSORY/AFFERENT NEURONS
 
NEURONS CARRYING IMPULSES FROM SENSORY RECEPTORS IN THE INTERNAL ORGANS, SKIN, SKELETAL MUSCLES,...
32
MOTOR/EFFERENT NEURONS 
 
NEURONS CARRYING ACTIVATING IMPULSES FROM THE CNS TO MUSCLES AND GLANDS  CELL BODIES...
33
ASSOCIATION NEURONS/INTERNEURONS
 
SITUATED BETWEEN AND CONTRIBUTE TO PATHWAYS THAT CONNECT SENSORY AND MOTOR NEURONS CELL...
34
ENDONEURIUM
 
EACH FIBER IS SURROUNDED BY THIS DELICATE CONNECTIVE TISSUE SHEATH
35
PERINEURIUM
 
GROUPS OF FIBERS ARE BOUND BY THIS COARSE CONNECTIVE TISSUE 
36
EPINEURIUM
 
ALL THE FASCICLES ARE BOUND TOGETHER BY THIS WHITE, FIBROUS CONNECTIVE TISSUE SHEATH 

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