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Summary

Samenvatting Medische Biologie Hoofdstuk Huid

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Uploaded on
10-05-2022
Written in
2017/2018

Dit document heeft de aantekeningen van het hoorcollege en samenvatting van het boek hoofdstuk huid.

Institution
Hogeschool Leiden (HSL)
Course
Medische Biologie

Content preview

Hoorcollege MB 6.5 De huid

Functies van de huid:

1. Bescherming
2. Temperatuurregeling
3. Vorming (Vitamine D) en opslag (vetten) van voedingsstoffen
4. Zintuiglijke gewaarwording
5. Uitscheiding
Bv. Afvalstoffen

Drie huidlagen
Epidermis: Opperhuid: Dode-cellen
Dermis: Lederhuid: talgklieren en bloedvaten
Subcutis/hypodermis: Onderhuids bindweefsel: Vetcellen en grote bloedvaten




1. Epidermis; opperhuid
- Is niet doorbloed, dus…
Krijgt voedingsstoffen en zuurstof van de dermis en voert afvalstoffen via de dermis af.

· Geen lymfevaten
· Levende kiemlaag; veel (eiwit)transsport


Lagen in de epidermis
1. Stratum basale (kiemlaag)
o Kubische cellen op basaalmembraan Melanocyten
o Stamcellen: huid vernieuwd

2. Stratum spinosum (stekellaag)
o Tevens celdeling d.m.v. stamcellen
o Stevigheid

3. Stratum granulosum (korrellaag)
o Geen celdeling meer
o Doorzichtige korrels maken keratine

4. Stratum lucidum (heldere laag)
o Vrijwel platte cellen  Keratine

5. Stratum corneum: (bovenste huidlaag)
o Meest oppervlakkige laag
o Dode cellen met veel keratine: eiwit: stevigheid en bescherming: eelt
o Stevigheid
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Institution
Hogeschool Leiden (HSL)
Study
Verpleegkunde / HBO-V
Course
Medische Biologie
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Document information

Uploaded on
May 10, 2022
Number of pages
4
Written in
2017/2018
Type
SUMMARY

Subjects

  • medisch anatomie verpleegkunde hoofdstuk huid
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