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| relating to or denoting the side of the body opposite to that on which a particular structure or condition occur |
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| a bundle of nerve fibers enclosed in a sheath of connective tissue, or forming one of the main tracts of white matter in the spinal cord |
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- long,protrude from the head, and are substantially thicker than the hairs forming the haircoat
- of or connected with the sense of touch
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| also known as Reil's band or Reil's ribbon, is a pathway in the brainstem that carries sensory information from the gracile and cuneate nuclei to the thalamus |
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| ventrobasal complex (thalamus) |
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Definition
- relay nucleus of the thalamus of the human brain
- receives sensory input from the medial lemniscus (originating in the medulla), from spinothalamic tracts, and from the trigeminal nerve
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- also sensory modality is one aspect of a stimulus
- There are many modalities: temperature, taste, sound, pressure
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- arrangements that reflect the topography of the parts of the body from which afferent impulses arise or to which efferent impulses are delivered
- represent the parts of the body in relation to the densities of their innervations
- maintenance of spatial organisation within the central nervous system
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Definition
| reflected in the frequency and number of action potentials |
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Definition
adaptation of the receptor potential plays a role in signaling |
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Definition
- Presynaptic inhibition caused by large cells blocks input from the small nociceptive cells
- perception of physical pain is not a direct result of activation of nociceptors, but instead is modulated by interaction between different neurons, both pain-transmitting and non-pain-transmitting
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Term
| identify a sensory function of any parts of the vagal system (cranial nerves ix and x) |
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Definition
- taste from caudal tongue (~1/3 in humans) (ix) sva, gva
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| identify a cranial nerve which supplies special visceral efferent which is not part of the vagal system and indicate its target organ |
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Definition
- trigeminal (v) or facial - general sensation of head, motor to muscles of mastication
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| identify a cranial nerve which supplies parasympathetic output to something other than the thoracic or abdominal organs and indicate a target organ for it |
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Definition
- cn iii, vii, ix, x - pupillar light reflexes (constrict pupil)
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Term
| the two types of photoreceptors for vision and the thalamic relay leading to the visual cortex are |
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Definition
- rods and cones, lateral geniculate nucleus in thalamus
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| identify one of the cranial nerves responsible for taste and the area of the tongue which is supplied |
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Definition
- facial (vii) rostral portion (~2/3 in human) sva, gva
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| identify a neurological test which normally requires the participation of two cranial nerves - and what nerves do they utilize |
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Definition
- menace test - cn ii - can animal see, cn vii - blink reflex
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| difficulty or discomfort in swallowing, as a symptom of disease |
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| rapid involuntary movements of the eyes |
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| abnormal alignment of the eyes; the condition of having a squint |
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| inadequate blood supply to an organ or part of the body |
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| relating to or denoting nerve cells in which acetylcholine acts as a neurotransmitter |
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| these respond to mechanical deformation |
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| these respond to any stimuli that bring about damage to the tissue |
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