[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.starweg.cz\/pihy-a-znamenka-jak-se-lisi-a-jak-na-nasi-pokozce-vznikaji\/#Article","mainEntityOfPage":"https:\/\/www.starweg.cz\/pihy-a-znamenka-jak-se-lisi-a-jak-na-nasi-pokozce-vznikaji\/","headline":"Pihy a znam\u00e9nka: jak se li\u0161\u00ed a jak na na\u0161\u00ed poko\u017ece vznikaj\u00ed?","name":"Pihy a znam\u00e9nka: jak se li\u0161\u00ed a jak na na\u0161\u00ed poko\u017ece vznikaj\u00ed?","description":"Pihy jsou: –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pihy jsou malink\u00e9 fl\u00ed\u010dky tmav\u0161\u00ed, ne\u017e je okoln\u00ed k\u016f\u017ee v\u011bt\u0161inou o n\u011bkolik odst\u00edn\u016f –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tyto pihy jsou tvo\u0159en\u00e9 shluky pigmentov\u00fdch bun\u011bk –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Melaninov\u00e9 bu\u0148ky, kter\u00e9 tento pigment tvo\u0159\u00ed, jej tvo\u0159\u00ed v\u00edce ne\u017e na zbytku tv\u00e1\u0159e –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V\u011bt\u0161inou jich je v\u011bt\u0161\u00ed mno\u017estv\u00ed –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nejv\u00edce jich je na nose, tv\u00e1\u0159\u00edch pod o\u010dima, mezi obo\u010d\u00edm […]","datePublished":"2020-09-17","dateModified":"2020-09-17","author":{"@type":"Person","@id":"https:\/\/www.starweg.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.starweg.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/014a645f9f16d49aceddb25e316448c724bd78e7db0ee7a34c29417d5ca39ef1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/014a645f9f16d49aceddb25e316448c724bd78e7db0ee7a34c29417d5ca39ef1?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"starweg.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"url":"https:\/\/www.starweg.cz\/pihy-a-znamenka-jak-se-lisi-a-jak-na-nasi-pokozce-vznikaji\/","wordCount":409,"articleBody":"Pihy jsou: –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pihy jsou malink\u00e9 fl\u00ed\u010dky tmav\u0161\u00ed, ne\u017e je okoln\u00ed k\u016f\u017ee v\u011bt\u0161inou o n\u011bkolik odst\u00edn\u016f–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tyto pihy jsou tvo\u0159en\u00e9 shluky pigmentov\u00fdch bun\u011bk–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Melaninov\u00e9 bu\u0148ky, kter\u00e9 tento pigment tvo\u0159\u00ed, jej tvo\u0159\u00ed v\u00edce ne\u017e na zbytku tv\u00e1\u0159e–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V\u011bt\u0161inou jich je v\u011bt\u0161\u00ed mno\u017estv\u00ed–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nejv\u00edce jich je na nose, tv\u00e1\u0159\u00edch pod o\u010dima, mezi obo\u010d\u00edm a \u010dele–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nemaj\u00ed pravideln\u00fd tvar ani v\u00fdskyt–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V\u011bt\u0161inou se st\u00e1vaj\u00ed v\u00fdrazn\u011bj\u0161\u00ed, pokud je vystav\u00edte slune\u010dn\u00edmu z\u00e1\u0159en\u00ed  Znam\u00e9nka jsou: –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tvo\u0159\u00ed se stejn\u011b jako pihy–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V\u011bt\u0161inou maj\u00ed v\u00fdrazn\u011bj\u0161\u00ed pigment ne\u017e pihy–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Jejich pigment se se sluncem v\u011bt\u0161inou tolik nem\u011bn\u00ed–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Pokud je pigment hodn\u011b siln\u00fd, tyto znam\u00e9nka se ozna\u010duj\u00ed jako takzvan\u00e1 \u201emate\u0159sk\u00e1 znam\u00e9nka\u201c–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Znam\u00e9nek je na tv\u00e1\u0159i m\u00e9n\u011b ne\u017e pih–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Znam\u00e9nka jsou v\u011bt\u0161inou v\u011bt\u0161\u00ed ne\u017e pihyMate\u0159sk\u00e1 znam\u00e9nka m\u016f\u017eeme m\u00edt od narozen\u00ed, ale n\u011bkter\u00e9 se mohou objevit s\u00a0v\u011bkem. Co v\u0161echno tvorbu znam\u00e9nek ovliv\u0148uje?–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Genetika: co v\u00e1m je d\u00e1no do v\u00ednku, to v\u00e1m z\u016fstane. M\u016f\u017ee to b\u00fdt zv\u00fd\u0161en\u00e1 tvorba melaninu a t\u00edm se zvy\u0161uje riziko jak pih, tak i znam\u00e9nek na t\u011ble nebo na tv\u00e1\u0159i.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Slunce: slune\u010dn\u00ed z\u00e1\u0159en\u00ed m\u00e1 tak\u00e9 na pihy a na n\u011bkter\u00e1 znam\u00ednka vliv. Pr\u00e1v\u011b slunce nut\u00ed ko\u017en\u00ed barvivo, aby vytv\u00e1\u0159elo dal\u0161\u00ed melanin, kter\u00fd zvy\u0161uje riziko v\u00fdskytu pigmentov\u00fdch skvrn, kter\u00e9 se ale v\u011bt\u0161inou vytv\u00e1\u0159ej\u00ed na k\u016f\u017ei pomoc\u00ed znam\u00e9nek. Je to vlastn\u011b ochrana proti ultrafialov\u00fdm z\u00e1\u0159en\u00edm, tvorba melaninu, kter\u00fdm se potahuje k\u016f\u017ee. –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Sp\u00e1len\u00ed k\u016f\u017ee: pokud se sp\u00e1l\u00edte, a\u0165 u\u017e na slunci nebo se sp\u00e1l\u00edte o ohe\u0148 nebo p\u00e1ry.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Antikoncepce: dokonce i hormon\u00e1ln\u00ed l\u00e9\u010dba m\u016f\u017ee zp\u016fsobit v\u011bt\u0161\u00ed v\u00fdskyt melaninu.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Hormon\u00e1ln\u00ed onemocn\u011bn\u00ed: ka\u017ed\u00fd v\u00fdkyv hormon\u00e1ln\u00ed hladiny ovliv\u0148uje chov\u00e1n\u00ed a tvorbu r\u016fzn\u00fdch l\u00e1tek v\u00a0na\u0161em t\u011ble.\t\tMelanomMelanom je zhoubn\u00fd n\u00e1dor k\u016f\u017ee, jen\u017e je velice nebezpe\u010dn\u00fd. M\u016f\u017ee \u010d\u00e1ste\u010dn\u011b metastazovat, co\u017e jeho nebezpe\u010d\u00ed je\u0161t\u011b zv\u011bt\u0161uje. D\u00e1 se ov\u0161em l\u00e9\u010dit, pokud je v\u010das zji\u0161t\u011bn.                                                                                                                                                                                                                                                                                                                                                                                        3\/5 - (3 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Pihy a znam\u00e9nka: jak se li\u0161\u00ed a jak na na\u0161\u00ed poko\u017ece vznikaj\u00ed?","item":"https:\/\/www.starweg.cz\/pihy-a-znamenka-jak-se-lisi-a-jak-na-nasi-pokozce-vznikaji\/#breadcrumbitem"}]}]