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Samenvatting Hoofdstuk 9, Ademhalingsstelsel

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Dit is een samenvatting van het boek Anatomie en Fysiologie van de mens over het hoofdstuk 9, Ademhalingsstelsel

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  • No
  • H9
  • February 11, 2019
  • 3
  • 2016/2017
  • Summary
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Hoofdstuk 9, Ademhaling

Luchtwegen
- Neusholte
o Os sphenoidale
o Os ethmoidale --> zenuwvezels en reukzenuw
o Os frontale (voorhoofdsbeen)
o Os nasale (neusbeen)
o Wanden bestaan uit delen van de maxilla (bovenkaak)
o In tweeen door septum nasi (neustussenschot)
o Chonchae (neusschelpen)
o Slijmvlies: eenlagigepitheel met kliertjes en slijmcellen
o Reukepitheel: met veel reuksensoren
o Sinus paranasales (neusbijholtes)
o Functies slijmvlies
 Zuivering
 Bevochtiging
 Verwarming
 Keuring
- Mondholte
- Keelholte (pharynx)
o Lucht en voedsel
o Luchtpijp (trachea) en slokdarm (oesofagus?)
- Strottenhoofd (larynx)
o Adamsappel --> bovenrand
o Bovenste en onderste hoorns
o Epiglottes --> storttenklepje
o Ware stembanden --> m. Vocalis
 Dwarsgestreept spierweefsel + plaveiselepitheel
 Opening tussen stembanden = stemspleet
 Sluiten luchtwegen af
 Brengt geluid voort
o Valse stembanden --> geen geluid
 Houden ware stembanden vochtig
- Luchtpijp en hoofdbronchiën
o Luchtpijp splitst in 2 bronchiën, wordt bifurcatio trachea genoemd
- Bronchiën en bronchiolen
o Rechter hoofdbronchie splitst in 3 grote bronchiën
o Linker hoofdbronchie splitst in 2 grote bronchiën
o Vertakkingen heten bronchi lobares (lobus= kwab)
o Vertakkingen bronchi lobares zijn bronchi segmentales
o Dan bronchiolen
 Inademing= spieren ontspannen
 Uitademing= spieren trekken samen
- Longblaasjes
o Bronchiolen monden uit in longtrechters en die hebben trosjes
alveoli pulmonales
o Ongeveer 900 miljoen longblaasjes is het weefsel
- Longvlies
o Pleura visceralis & pleura parietalis, daartussen een laagje serues
vocht
o Pleuraholte: ruimte tussen de bladen is vacuum

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