Term
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Definition
-Sendsory Receptors monitor changes inside and outside the body
-Processes and interprets sensory input
-Dictates a response by activating effector organs |
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Term
| Central Nervous System Component |
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Definition
CNS
Brain and Spinal Cord |
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| Peripheral Nervous System Component |
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Definition
PNS
Somatic: "soma" outside coelomic cavities
Visceral: inside peritoneal cavity |
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| Bringing to or leading toward an organ or part |
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| Conveying or conducting away from an organ or part |
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| Increase velocity of electrical signals |
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| Motor control of skeletal muscle; motor neuron from spinal cord to muscle cell |
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Definition
Visceal motor neurons
-two neurons connected in series
-pre- and post-ganglionic
-control mooth muscle, cardiac muscle and glands |
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Term
| Sympathetic Nervous System |
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Definition
Flight or Fight
maintence at work
aids in control of most internal organs |
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Term
| Parasympathetic Nervous System |
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Definition
Regulations ofinternal organs
Rest and Digest or Feed and Breed
functions at rest
takes care of things not in immediate need |
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Definition
controls below level of consciousness
requires two-neuron efferent pathway
"automatic" responses/actions such as heart rate, breathing, etc. |
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| crossing over; the intercrossing of fellow parts of structures in the form of an X |
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Term
Medulla Oblongata
Functions |
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Definition
-roots of cranial nerves
-ascending and descending pathways
-centers (visceral, auditory, proprioceptive)
-respiratory and cardiovascular (heart rate and blood pressure)
-Input: sensory nerves, hypothalamus |
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Definition
-monitors and modifies
-equilibrium
-coordinates with motor control centers in cerebral cortex
-refinement of motor action |
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Term
| Cerebellum Evolution- Fishes |
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Definition
acousticolateralis system
lateral line system |
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Term
| Cerebellum Evolution- tetrapods |
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Definition
| proprioception from limbs, body |
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| transfer forward to more rostal brain regions |
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Definition
optic nerve damage(blind); still avoid objects
primarily thalamus/cortex, but some visual info to tectum
may allow perception of objects |
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Definition
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Definition
visceral brain center
(temperature, thirst, appetite, emotion, other) |
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Definition
Consists of: Medial Dorsal and Lateral
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Definition
| Consists of; Striatum and Septum |
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Definition
| converts a signal in one form of energy to another form of energy |
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Definition
the body's ability to sense movement within joints and joint position
allows the ability to know where our limbs are in space |
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Term
| Law of Specific Nerve Energies |
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Definition
-Meissner's corpuscle (touch)
-end-bulb of Krause (cold)
-corpuscle of Ruffini (warmth) |
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Term
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Definition
Mechanoreceptors
Chemorecepors
Photoreceptors |
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Term
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Definition
-lateral line: fish and amphibians (neuromast organ)
-vesibular apparatus (otoliths)
-auditory system (cochlea) |
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Definition
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Term
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Definition
-Transmit
-Transform
-Amplify |
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-Photoreceptors
-Infared receptors
ex; thermosensitive pits |
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Definition
-olfacory epithelium
-vomeronasal organ
-taste buds |
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Definition
-photoreceptors
-infared receptors |
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Term
Radiation Receptors
(rattlesnake) |
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Definition
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Term
Chemosensory Receptors
(rattlesnake) |
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Definition
-selective
-priority venom > mouse > fang puncture
-chemical profile
-memory |
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Term
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Definition
scaling-compensation
pattern: fixed association of parts |
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