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Neurons- Julie Chambers

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Julie Chambers

on 25 September 2012

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Transcript of Neurons- Julie Chambers

Definition Research Neurons- by Julie Chambers Notes disorders: In maintaining homeostasis... (cc) photo by Metro Centric on Flickr (cc) photo by Metro Centric on Flickr Neurons are nerve cells, which are electrically excited cells that process and transmit information by electrical and chemical signaling Real Neuron nerve cells (neurons) adjust their electrical excitability and the overall stregnth of synaptic connections to maintain their functional identity under certain conditions, neurons produce the protein "apolipoprotein E", which is linked to Alzheimer's disease the name of the receptor which makes up the neuron's cell membrane is the Olfactory receptor, which in humans, detect over 10,000 odors 2000 2010 2005 2002 March (cc) image by jantik on Flickr neurons typically should last a lifetime, but they can be killed by certain chemicals neuronal migration disorders are a group of birth defects caused by abnormal migration of neurons in the developing brain and nervous system cells have 3 main parts; the soma, which contains all the vital components of a cell, then there is the axon, which is a long, cable like projection which carries electrochemical messages along the legnth of the cell. the last part of the neuron are the dentrites, which are small branchlike projections that allow the neuron to 'talk' with other cells ... small Neurons function by processing and transmitting information by electrical and chemical signaling structure function how is structure related to funtions? the soma of the neuron contains the vital parts, such as a nucleus. if the soma is destroyed, the whole cell is destroyed. The axon sends messages to other parts of the cell, so without communication, the different parts of the neuron wont know what to do next. Lastly, the dentrites are branchlike to 'reach' out and communicate with other cells. if the dentrites werent branchlike, the neuron would have no way of communicating with other cells. (cc) photo by medhead on Flickr FUN FACTS :)
~The average human brain has 100 billion neurons
~The average octopus brain has 300 billion neurons
~The rate of neuron growth of a fetus in the womb is 250,000 neurons per minute
~There are more nerve cells in the human body than there are stars in the Milky Way
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