Term
|
Definition
| cells that transmit electrochemical impulses through the nervous systems |
|
|
Term
|
Definition
sensory: carry from sense organs & receptors to the brain and spinal cord
motor: carry from the brain and spinal cord to glands and muscles
interneurons: carry info between neurons in the brain & in the spinal cord |
|
|
Term
|
Definition
| houses the nucleus & sustains life |
|
|
Term
|
Definition
recieves signals from other neurons
ex. Plug |
|
|
Term
|
Definition
carry messages to dendrites & other neurons somas to muscles, glands etc.
ex. wire |
|
|
Term
|
Definition
insulates axons and make impulses travel faster
effected by multiple sclerosis
ex. plastic cover on wires |
|
|
Term
|
Definition
| gaps in myelin sheath that regenerate electrical impulses |
|
|
Term
|
Definition
| hold neurons together in brain and spinal cord. eats dead cells and waste and manufacture/nourish cells |
|
|
Term
|
Definition
| gap between axon terminals & dendrites of a recieving neuron where impulses are transmited from one neuron to the other |
|
|
Term
| how do neurons communicate? |
|
Definition
| thru neural impulse and or action potential (+/- charged ions) think the wave ALL OR NOTHING! |
|
|
Term
|
Definition
| control center! regulates body temp, hunger/thirst etc. |
|
|
Term
|
Definition
| sensory relay station especially for the hypothalamus |
|
|
Term
|
Definition
| involves with emotional expression, responds to situatations that in sight for instance fear |
|
|
Term
|
Definition
| bridge for the 2 hemispheres of the brain to communicate with each other over. |
|
|
Term
|
Definition
| corpus callosum is cut to cure epilepsy cuts off communication between the two hemispheres |
|
|
Term
|
Definition
| controls use of words & production of speech sounds (Brocas), thinking and emotional response |
|
|
Term
|
Definition
| where touch, temp, pressure & pain register and make extremities move accordingly |
|
|
Term
|
Definition
| controls our sense of vision |
|
|
Term
|
Definition
| where our sense of hearing is centered also houses wernickes area |
|
|
Term
| wernickes vs. brocas area |
|
Definition
Wernickes: Damage to this area can result in problems with language development and even an inability to develop language skills. (speak gibberish)
brocas:Broca's Area is located in the frontal lobe of the brain and acts as the speech center. cant understand what people are saying if damaged. |
|
|
Term
| functions of the cerebral cortex |
|
Definition
left: controls the right side of the body,spoken/written language, numerical skills & reasoning/logic
right: controls left side of body, music processing, emotional thinking & perceive visual/spatial relations |
|
|
Term
|
Definition
| stores new memories, neural maps like if you get lost you can turn around and go back the same way you came. |
|
|
Term
| smpathethic nervous system |
|
Definition
|
|
Term
| parasympathetic nervous system |
|
Definition
|
|
Term
|
Definition
aka the master gland
releases hormones that affect your growth as well as influencing the activities of other glands |
|
|
Term
|
Definition
| controls how quickly the body uses energy, makes proteins, and controls how sensitive the body should be to other hormones |
|
|
