口とがらし反射
WordNet
- a long projecting or anterior elongation of an animals head; especially the nose (同)neb
- beaklike projection of the anterior part of the head of certain insects such as e.g. weevils (同)rostrum
- an automatic instinctive unlearned reaction to a stimulus (同)reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned_reflex, physiological reaction
- (of leaves) bent downward and outward more than 90 degrees
PrepTutorEJDIC
- (豚などの突き出た)鼻;鼻先(口とあごも含むことがある) / 鼻先に似たもの;筒口,管先など
- 〈U〉刻みたばこ / 〈C〉巻きたばこ
- 反射(刺激に対する無意識の反応) / 《複数形で》反射的な動き / (光などの)反射,反射光;映像 / 反射性の / (カメラが)レフ鋼の,反射型の
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/06/07 15:20:17」(JST)
[Wiki en表示]
The Snout reflex is a pouting or pursing of the lips that is elicited by light tapping of the closed lips near the midline. The contraction of the muscles causes the mouth to resemble a snout.
This reflex is tested in a neurological exam and if present, is a sign of brain damage. Along with the "suck" and palmomental reflexes, snout is considered a frontal release sign. These reflexes are normally inhibited by frontal lobe activity in the brain, but can be "released" from inhibition if the frontal lobes are damaged. They are normally present in infancy, however, and up until about one year of age, leading to the hypothesis that they are primitive or archaic reflexes.
Frontal release signs are seen in disorders that affect the frontal lobes, such as dementias, metabolic encephalopathies, closed head injuries, and hydrocephalus. All of these disorders produce diffuse cerebral damage, usually involving many areas and systems in addition to the frontal lobes and pyramidal system, so the frontal release signs are not sufficient for a diagnosis.
References
- Walker, Hall and Hurst. Clinical Methods: The history, physical and laboratory examinations, 3rd ed.
UpToDate Contents
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English Journal
- Head tilt in rats during exposure to a high magnetic field.
- Houpt TA, Cassell J, Carella L, Neth B, Smith JC.SourceDepartment of Biological Science, King Life Sciences Building, The Florida State University, Tallahassee, FL 32306-4295, United States. houpt@neuro.fsu.edu
- Physiology & behavior.Physiol Behav.2012 Jan 18;105(2):388-93. doi: 10.1016/j.physbeh.2011.08.030. Epub 2011 Aug 31.
- During exposure to high strength static magnetic fields, humans report vestibular symptoms such as vertigo, apparent motion, and nausea. Rodents also show signs of vestibular perturbation after magnetic field exposure at 7 tesla (T) and above, such as locomotor circling, activation of vestibular nuc
- PMID 21903121
- Aerial righting reflexes in flightless animals.
- Jusufi A, Zeng Y, Full RJ, Dudley R.SourceDepartment of Integrative Biology, University of California, Berkeley, CA 94720-3140, USA. ardianj@berkeley.edu
- Integrative and comparative biology.Integr Comp Biol.2011 Dec;51(6):937-43. doi: 10.1093/icb/icr114. Epub 2011 Sep 19.
- Animals that fall upside down typically engage in an aerial righting response so as to reorient dorsoventrally. This behavior can be preparatory to gliding or other controlled aerial behaviors and is ultimately necessary for a successful landing. Aerial righting reflexes have been described historic
- PMID 21930662
Japanese Journal
- モグラの吻筋固有受容感覚線維の中枢投射に関する実験形態学的研究
- ラット口こうの機械的刺激による閉口反射の経日的変化
Related Links
- snout reflex (snout) n. A pouting or pursing of the lips that is caused by light tapping of the closed lips near the midline, seen in defective pyramidal innervation of facial musculature. snout reflex Etymology: ME, snoute, muzzle an ...
- 吸引反射 Sucking reflex 前頭葉または、両側大脳広範の障害 口を軽く開かせ、上唇から口角のあたりを軽くこする。口がとがれば陽性。 口とがらし反射 Snout reflex 脳での両側錐体路障害 上唇の中央を指先などで軽く叩く。唇が突出し、と ...
★リンクテーブル★
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- 英
- pathologic reflex
- 正常成人では出現せず、錐体路(皮質脊髄路、上位運動ニューロン)が障害されたときに誘発される反射
病的反射 BET.80
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- 英
- snout reflex
- 関
- 口反射
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鼻、鼻部、口吻
- 関
- nasal、nasal region、nose、proboscis
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- 関
- reflect、reflection、reflective