Kozmetologija Izbirni predmet - Študentski.net · medications, such as oral vaccines, in which the...

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10. 10. 2012 1 KOZMETIČNI IZDELKI I KOŽA IN SLUZNICE – MESTO DELOVANJA KOZMETIČNIH IZDELKOV prof. dr. Julijana Kristl

Transcript of Kozmetologija Izbirni predmet - Študentski.net · medications, such as oral vaccines, in which the...

Page 1: Kozmetologija Izbirni predmet - Študentski.net · medications, such as oral vaccines, in which the medication is absorbed directly through the oral mucosa. Three different types

10. 10. 2012 1

KOZMETIČNI IZDELKI I

KOŽA IN SLUZNICE – MESTO DELOVANJA KOZMETIČNIH

IZDELKOV

prof. dr. Julijana Kristl

Page 2: Kozmetologija Izbirni predmet - Študentski.net · medications, such as oral vaccines, in which the medication is absorbed directly through the oral mucosa. Three different types

J. Kristl 2

Kaj že veste o koži ?

Z gledišča

anatomije

morfologije

fiziologije

biokemije

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J. Kristl 3

Zgradba kože

Epidermis - povrhnjica

Dermis - usnjica

Subcutis - podkožje

Kožne žleze

Lasje

Nohti

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J. Kristl 4

Shematski prikaz zgradbe kože

1-povrhnjica, 2-usnjica,

3-podkožje, 4-ekrina znojnica,

5-apokrina znojnica, 6-las,

7-lojnica.

Usnjica je prepletena s

številnimi žilami-8 in

živci-9.

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J. Kristl 5

EPIDERMIS

Zgradba povrhnjice – gube in papile

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J. Kristl 6

a

b

keratinociti

Langerhansove celice odluščene celice

rožena plast

zarodna ali

bazalna

plast

bazalna

membrana melanocit

dermalne papile

rožena

plast

keratinociti

papile

a- Vrhnica pod

svetlobnim mikroskopom

b- Shematska predstavitev

mikroskopskega posnetka

Celična zgradba povrhnjice

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J. Kristl 7

Keratinociti v različnih plasteh povrhnjice

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J. Kristl 8

* različna barvanja

Mikroskopske slike povrhnjice

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J. Kristl 9

Plasti epidermisa

Intercelularne lamele

Keratinsko polnilo

Lamelarna telesa

Keratohialin

Keratinsko polnilo

Desomosomi

Hemidesmosomi

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J. Kristl 10

Oznaka

celice

Značilnost celice Sestava faze

diferenciranja

rožene celice

4-6 plasti

rožena plast

celice z zrnci

3-4 plasti zrnata plast

trnasta plast

5-6 plasti

bazalne celice

1 plast

1 brez jeder in organel

2. s keratinom napolnjene

celice (K) 3. debela membrana

4. desmosomi

5. lipidne intercelularne plasti 6. interfibrilarni cement

7. naravni vlažilni faktorji

1 keratinolinska zrnca (KHG)

2. Odlanova telesca (OK)

3. zlepljene tonofibrili

1 se lahko delijo

2. Tonofilamenti (Tf) 3. citoplazemski nastavki z

desmosomi

4. melanosomi

III

faza luščenja

II

prehodna

faza

I

faza sinteze

proteinov

in lipidov

1 citoplazmotski nastavki

2. tonofibrili (TF)

3. melanosomi

bazalna

membrana

Epidermalna keratinizacija = programirana celična smrt?

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J. Kristl 11

Kaj so melanociti?

porazdelitev

zgradba

vloga

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J. Kristl 12

Kje vse najdemo melanocite v koži?

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J. Kristl 13

sinteza melanina v

melanosomih

keratinocit

prehod melanosoma v

keratinocit

sinteza terazinoze

in tvorba

melanosomov

sinteza melanocitov v

melanosomih

mikrovesikel

s tirozinozo

Golgi-aparat

ribozomi

endoplazemski

retikulum

Različne stopnje melanogeneze

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J. Kristl 14

Odločilni dejavniki za barvo kože

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J. Kristl 15

Kaj so Langerhansove celice?

porazdelitev

število

pomen v koži

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J. Kristl 16

Limfocit T

4. imunska

reakcija

3. predstavitev

stimulacija

1. sprejem

2. potovanje in prenos

informacije antigenov

Langerhansova celica

vrhnjica

antigen

Imunska kompetentnost Langerhansovih celic v koži

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J. Kristl 17

celice

izvencelično

ogrodnje

fibroblasti

granulociti

makrofagi

osnovna

substanca

kolagenska

vlakna

elastična

vlakna

DERMIS -USNJICA

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J. Kristl 18

Fibroblas

t

mitohondrij

endoplazmatski

retikulum in ribosomi Golgijev aparat

glukozaminoglikani tropokolagen elastična vlakna

posnetek s SEM

retikularna vlakna kolagenska vlakna

retikularna vlakna

papilarne plasti

voluminozni snopi

kolagenskih vlaken

v retikularnem delu

dermisa

fibroblast

Fibroblasti in njihove številne

aktivnosti

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J. Kristl 19

12% v celici

1% izven celice

3% v celici

45% izven celice

Količina vode v koži

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J. Kristl 20

Ali so v koži čutne celice?

porazdelitev

zgradba

vloga

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J. Kristl 21

Oživčenje kože

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J. Kristl 22

Živčna telesca kože

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J. Kristl 23

Podatki o receptorjih v koži

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J. Kristl 24

Struktura kože PODKOŽJE

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J. Kristl 25

Žilni sistem kože

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J. Kristl 26

Shematski prikaz oskrbe kože s krvjo

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J. Kristl 27

1 – zaščitna funkcija,

2 - izmenjevalna,

3 - termoregulacija,

4 - senzorične funkcije,

5 - metabolične funkcije

Katere funkcije ima koža?

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J. Kristl 28

Pomen različnih struktur kože pri zaščiti

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J. Kristl 29

Koža kot bariera med notranjostjo telesa in okolico

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J. Kristl 30

Sonce, vitamin D in kalcij

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J. Kristl 31

USTNA SLUZNICA

Page 32: Kozmetologija Izbirni predmet - Študentski.net · medications, such as oral vaccines, in which the medication is absorbed directly through the oral mucosa. Three different types

USTNA SLUZNICA

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J. Kristl 33

Morfološka slika ustne sluznice

Page 34: Kozmetologija Izbirni predmet - Študentski.net · medications, such as oral vaccines, in which the medication is absorbed directly through the oral mucosa. Three different types

Oral mucosa is a specialized type of tissue which lines the mouth. This tissue is designed to provide protection for the body from infection and debris, and it is capable of producing secretions such as mucus in addition to absorbing materials introduced into the mouth. The trait of absorption is utilized to apply certain types of medications, such as oral vaccines, in which the medication is absorbed directly through the oral mucosa.

Three different types of oral mucosa can be found in the mouth. Around the tongue, cheeks, and hard palate, the

tissue is keratinized so that it can withstand the abrasiveness of chewing. Other areas of the mouth have non-keratinized tissue, which is more fragile, and requires moist secretions to stay healthy. The taste buds are made from a third type of highly specialized oral mucosa. Similar types of mucus

membranes can be found in other regions of the body, such as the eyes and genitals.

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J. Kristl 35

Slina Suha usta Prepustnost ustne sluznice Razjede ….