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Summary

Samenvatting Biogenie 3.2 Reuk, smaak en gevoel

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overzichtelijke samenvatting met duidelijke afbeeldingen en alles wat je moet weten uit het handboek

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Institution
Secondary school
Study
TSO
Course
School year
3

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Summarized whole book?
No
Which chapters are summarized?
Hoofdstukken reuk, smaak en gevoel
Uploaded on
April 25, 2021
Number of pages
9
Written in
2019/2020
Type
Summary

Subjects

Content preview

Reuk- , smaak- , en gevoelsreceptoren
Reukreceptoren

Aard van de prikkel: reukstoffen

Reukstoffen : chemische stoffen die je kan ruiken

Reukstoffen  waarneembaar in gasvormige (vluchtige) toestand. Vaste stoffen ruiken is
veel moeilijker.

3 belangrijke functies reukzin:
1. Genotsfunctie: vb. Bloemen, parfum, lekker eten
2. Signaalfunctie: vb. Giftige gassen, koolstofmonoxide
3. Sociale functie: vb. Lichaamsgeuren herkennen (feromonen = seksuele geurstoffen)

Ligging van de reukreceptoren




neustussen Middelste
schot neusschelp
Onderste
neusschelp

gehemelte




slokdarm
Neustussenschot  verdeelt neusholte in 2 delen

In iedere neusholte zijn er 3 uitstulpingen  de neusschelpen:
1. Bovenste neusschelp: bevat reukslijmvlies (=gele neusslijmvlies), dat 5 miljoen
reukcellen bevat. Grootte: postzegel

, 2. Middelste neusschelp: Bevatten rode neusslijmvlies (bevat
3. Onderste neusschelp: trilhaarcellen en cellen met slijmafscheiding)




Bouw en werking van het reukslijmvlies
$6.65
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