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- Nervous system (3163 bytes)
12: *Between neurons by way of [[neurotransmitter]] [[diffusion]] across [[synapse]]s.
15: ...hin the CNS. The large majority of what are commonly called nerves (which are actually axonal process... - Brain (22060 bytes)
5: ... The [[human brain]] is particularly complex and enlarged.
16: ...rol, memory, and thinking abilities. Currently, only the symptoms of these diseases can be treated, b...
41: ...tomy and [[protein]] expression patterns but can only be done after the human or animal is dead.
48: ... A possible origin of this myth is the fact that only about 10% of the [[neurons]] in the brain are fi...
52: ...sis can lead to perfect recall of details.'' Not only is this not entirely true, an incompetent or dec... - Eye (21834 bytes)
13: ...such an eye varies, however: some trilobites had only one, and some had thousands of lenses in one eye...
15: ...more. This enables snails to keep out of direct sunlight.
65: ...which allow humans and other animals to see by moonlight, or with very little available light (as in a...
71: ... several "converge" onto a bipolar cell, enough [[neurotransmitter|transmitter molecule]]s reach the [[synapse]] of ...
79: ...plate striking the head will not damage the eye, unless it breaks the skull. - Retina (13061 bytes)
5: ...axon]]s form the [[optic nerve]]. The retina not only detects light, it also plays a significant part ...
29: ...hotopigment is bleached away in bright light and only replaced as a chemical process, so in a transiti...
35: ...re than 130 million retinal receptors, there are only approximately 1.2 million fibres (axons) in the ...
68: *[http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=neurosci.figgrp.740 Re... - Basal ganglia (4800 bytes)
34: [[neurotransmitter]]s. The most widely used is the inhibitory
37: neurotransmitter of the pigmented [[substantia nigra]]
40: striatum with this neurotransmitter (shown as the magenta connection
56: ...s referred to as the corpus striatum (comprising only the [[globus pallidus]] segments and [[striatum]... - Vesicle (biology) (1701 bytes)
9: ...d at presynaptic terminals in [[neurons]] store [[neurotransmitter]]s. - Amygdala (2653 bytes)
3: ...ala owing to damage, developmental problems, or [[neurotransmitter]] imbalance. - Black widow spider (5745 bytes)
15: ...idow spider]] found throughout the world and commonly associated with urban habitats or agricultural a...
17: ...e bottom of its abdomen which, although most commonly red, may range in color from white to yellow to ...
20: ...enom acts by causing a localized release of the [[neurotransmitter]] [[acetylcholine]], which is involved in muscula...
22: ...ypically cause problems at the bite site itself, unless a secondary skin infection occurs.
26: ...ive on for 180 days after maturing, while a male only lives on for another ninety days (1). - Globus pallidus (1960 bytes)
4: ... of the globus pallidus, where they release the [[neurotransmitter]] [[GABA]]. It receives GABAergic inputs from the... - Muscle (12774 bytes)
29: ...ooth muscle contractions are facilitated by the [[neurotransmitter]] [[acetylcholine]].
64: ...rheumatism") is an inflammatory condition that mainly occurs in the elderly; it is associated with [[g...
83: Again taking strength to mean only "force" (in the physicist's sense, and as contra...
89: ..., the quadriceps can produce over 100 watts, but only for a few minutes. The heart does its work conti...
113: [[nl:Spier]]
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