{"id":50354,"date":"2018-05-16T09:54:45","date_gmt":"2018-05-16T09:54:45","guid":{"rendered":"https:\/\/www.humanitas.net\/?post_type=wiki&p=50354"},"modified":"2018-05-16T09:54:45","modified_gmt":"2018-05-16T09:54:45","slug":"gustul","status":"publish","type":"wiki","link":"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/gustul\/","title":{"rendered":"Gustul"},"content":{"rendered":"

Gustul este o percep\u021bie, care rezult\u0103 din stimularea unui nerv gustativ. Gustul \u00een gur\u0103 apar\u021bine de sistemul de detectare chimic\u0103, fiind provocat atunci c\u00e2nd o substan\u021b\u0103 solubil\u0103 intr\u0103 \u00een contact cu limba; nervii cranieni care conduc impulsurile legate de gust sunt nervul facial, pentru partea anterioar\u0103 a limbii, \u0219i nervul glosofaringian, pentru partea posterioar\u0103. Ace\u0219tia transmit apoi mesaje prin nervi p\u00e2n\u0103 la creier \u0219i ne permit s\u0103 gust\u0103m ceea ce consum\u0103m. Gustul se al\u0103tur\u0103 celorlalte alte patru sim\u021buri, care sunt vederea, sim\u021bul tactil, mirosul \u0219i auzul. Gustul ofer\u0103 \u00eendrum\u0103ri cu privire la ceea ce m\u00e2nc\u0103m \u0219i bem, \u0219i ne permite s\u0103 distingem \u00eentre am\u0103r\u0103ciune, dulcea\u021b\u0103, arom\u0103 \u0219i aciditate, acestea fiind cele patru a\u0219a-numite gusturi primare. Mirosul contribuie, de asemenea, la sim\u021bul gustului, la fel ca un alt mecanism chemosenzorial, numit sim\u021b chimic comun. \u00cen acest sistem, mii de termina\u021bii nervoase, aflate \u00een special pe suprafe\u021bele umede ale gurii, nasului, ochilor \u0219i g\u00e2tului, dau senza\u021bia de amplificare a lucrurilor, cum ar fi mirosul \u00een\u021bep\u0103tor al amoniacului sau iritarea pe care o sim\u021bim atunci c\u00e2nd consum\u0103m ardei iute \u0219i chiar senza\u021bia de r\u0103corire a mentolului.<\/p>\n

 <\/p>\n

Ce este gustul?<\/h2>\n

Gustul este unul din cele cinci sim\u021buri principale \u0219i este conectat la senza\u021biile care rezult\u0103 din alimentele \u0219i b\u0103uturile pe care le consum\u0103m. Structurile care ne permit s\u0103 apreciem aroma a ceea ce introducem \u00een gur\u0103 receptorilor senzoriali sunt foarte specializate: ele sunt numite papile \u0219i muguri gustativi, care se g\u0103sesc pe limb\u0103, palat, faringe \u0219i laringe. Integrarea gusturilor primare – percep\u021bia c\u0103rui membru al unui anumit grup de receptori senzoriali afla\u021bi \u00een anumite zone ale limbii – provoac\u0103 senza\u021biile de gust mai complexe.<\/p>\n

 <\/p>\n

De\u0219i este ajutat\u0103 de unele por\u021biuni ale palatului, laringelui \u0219i faringelui, limba este dedicat\u0103 \u00een mod special percep\u021biilor aromelor. Pe suprafa\u021ba sa, de fapt, se pot distinge anumite zone dedicate percep\u021biei gusturilor amar, acru, dulce \u0219i s\u0103rat, adic\u0103 cele patru gusturi principale. \u00cen mod special, zona pentru percep\u021bia receptorilor dulci sunt concentra\u021bi pe v\u00e2rful limbii; cei pentru percep\u021bia gustului amar se afl\u0103 la baza limbii sau \u00een partea posterioar\u0103, \u00een fa\u021ba epiglotei; cei capabili s\u0103 recunoasc\u0103 gusturile s\u0103rate sunt situa\u021bi pe marginile primei jum\u0103t\u0103\u021bi, din partea din fa\u021b\u0103 a limbii, iar cele pentru recunoa\u0219terea gusturilor acide se g\u0103sesc pe marginile jum\u0103t\u0103\u021bii posterioare.<\/p>\n

 <\/p>\n

\u00cen percep\u021bia aromelor este esen\u021bial, pe l\u00e2ng\u0103 cele patru sim\u021buri ale gustului, \u0219i rolul sistemului olfactiv. \u00cen timpul expir\u0103rii, de fapt, unele particule de alimente plasate \u00een gur\u0103 sunt eliminate din nas \u0219i trebuie s\u0103 stimuleze receptorii olfactivi \u0219i, astfel, s\u0103 contribuie la identificarea diferitelor gusturi.<\/p>\n

 <\/p>\n

 <\/p>\n

Ce func\u021bie \u00eendepline\u0219te gustul?<\/h2>\n

Pe l\u00e2ng\u0103 furnizarea de informa\u021bii despre gustul \u0219i compozi\u021bia alimentelor, sim\u021bul gustului joac\u0103 un rol vital \u00een nutri\u021bie, evocarea aromelor fiind, de fapt, apetitul psihologic de baz\u0103. Pierderea gustului poate avea cauze diferite (pierderea mirosului, prezen\u021ba unei boli orale sau hormonale) \u0219i, de asemenea, poate avea impact asupra bun\u0103st\u0103rii psihologice, duc\u00e2nd chiar la depresie.<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","wiki-categories":[1691],"wiki-types":[],"yoast_head":"\nGustul - Humanitas.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.humanitas.net\/ro\/wiki\/anatomie\/gustul\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gustul - Humanitas.net\" \/>\n<meta property=\"og:description\" content=\"Gustul este o percep\u021bie, care rezult\u0103 din stimularea unui nerv gustativ. 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