NEURONS Flashcards
Cell body or _____ contains nycleus and cytoplasm in neurons
Soma / Perikaryon
The plasma membrane or _____ has bilayered lipid protein.
Plasmalemma
Cell organelle that is a stack of ER with ribosome and polysomes
Nissl bodies / Nissl granules
Cell organelle which is a network of fibrils
Neurofilament
Receives incoming signals from other cells, and can cause protein synthesis in brain??
Dendrites
Where action potential comes from and transmits output signal to target organs
Axon
Bundle of axon
Nerve
Branches in axon terminal
Telodendria
Part of neuron that Contains neurotransmitter vesicle
Terminal Buttons
In PNS, _____ cell forms the myelin to ____ axon
Schwann Cell, One
In CNS, _______ forms myelin of ___ axon.
Oligodendrogliocyte, many
Type of neuron found in mesencephalic nucleus of ____ cranial nerve and has only one process
Unipolar, 5th
Type of neuron that has single process but divides into two, which function is both axon. One to ____, one to _____
Pseudounipolar, skin, spinal cord
Type of neuron found in retina. ____ carries information to cell while, ______ transmits information to cell
Bipolar; Dendrites, Axon
One axon to many dendrites. Example is a motor neuron.
Multipolar
Type of neuron with long axon
Golgi Type I
Type of neuron with short axon and is more than the other, with inhibitory function
Golgi Type II
The trophic proteins of neuron that promote growth and survival
Neutrophins
Nerve Growth Factor (NGF) promotes growth of _____ and some _____ which decreases apoptosis by the _________
Sympatethic and sensory neuron; tyrosine kinase A receptor
promote growth of peripheral sensory nerve and use enzyme of
Brain-derived Neutrophic Factor (BDNF); tyrosine kinase A
NT-3 or Neutrophin 3 promotes growth of _______ and acts through tyrosine kinase _______
Cutaneous mechanoreceptors; A,B,C
Function is unknown but act using tyrosine kinase B
Neutrophin 4 and 5
Non-neuronal cells that do not produce ______ impulse
Neuroglia; Electrical
____ shaped, abundant in brain and spinal cord that electrically insulate synapse
Astrocytes ; star
Oligodendrogliocytes are found in _____axon and insulate axons
Myelinated
Smallest cell in CNS and acts as scavenger in brain. Becomes ________ that eliminate debris in brain
Microglia; mononuclear phagocytes
Line the surface of brain ventricles and central canal
Ependymal cells
