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Samenvatting Leerboek KNO en Hoofd- Halschirurgie Deel 2 Hoofdstuk 10

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Dit is een samenvatting van deel 2 hoofdstuk 10 van Anatomie en fysiologie van de neus en neusbijholten. ik heb dit gehad in fase 1 logopedie en audiologie aan Thomas More in Antwerpen van J. van Dinther.

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Hoofdstuk 10
Anatomie en fysiologie van de neus en de neusbijholten

Inhoudsopgave
10.1 Inleiding......................................................................................................................................1
10.2 Anatomie van de neus................................................................................................................2
10.2.1 Uitwendige neus..................................................................................................................2
10.2.2 Inwendige neus....................................................................................................................3
10.3 Fysiologie van de neus................................................................................................................7
10.3.1 Ademhaling..........................................................................................................................7
10.3.2 Neusbijholten......................................................................................................................9



10.1 Inleiding
NEUS
Functie bij
o Ademhaling: ingeademde lucht
 Verwarmen
 Bevochtigen
 Filteren/reinigen
o Reuk
 Waarschuwen (brand, bedorven
voedsel, verontreiniging)
 Smaak door reuk
 Geuren en associatie
gebeurtenissen uit verleden
 Sociale functie:
sympathie/antipathie  emotie
o Spraak

Aandoeningen
o Deformaties, poliepen, tumoren
o Systemische aandoeningen knn beginnen in de neus
 Infecties, allergiëen, vasculitiden
 Ernstige obstructie (bij zuigelingen levensbedreigend)
 habitueel mondademen  afwijkend mondgedrag (tong)
 verstoorde occlusie
 Neustrauma op alle leeftijden
o Jong mgl. invloed op vorm aangezicht
 Relatie vorm neus en zelfbeeld



1

, Functie bijholten
• Ondersteunen afweer (vergroten opp respiratoir epitheel)
• Reductie van gewicht schedel
• Kreukelzone (bescherming achterliggende structuren)

10.2 Anatomie van de neus
10.2.1 Uitwendige neus

Benige pyramide bestaat uit:
• Ossa nasalia
• Proc. frontalis maxillae
• Spina nasalis ossis frontalis
• Benige tussenschot

Kraakbenig skelet
• Triangulaire kraakbeentjes
• Kraakbenig tussenschot (septum)

Lobulus
• Ondersteuning door lobulaire kraakbeentjes
Verdere onderscheiding:
- Neuspunt
- Neusvleugels
- Columella
- Uitwendige neusgaten


Dunne spierlaag over beide pyramides
• m. nasalis pars transversa
• m. nasalis pars alaris
• m. depressor septi
• m. levator labii superioris alaeque nasi
• m. procerus
• m. dilatator naris
• m. apicis nasi
 worden tijdens inademen geactiveerd, voorkomen aanzuigen van de neusvleugel.
 Rol bij mimiek




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Deel 2 hoofdstuk 10
Uploaded on
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Number of pages
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Written in
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Type
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