Tunica mucosa: protectieve functie tegen mechanische schadelijke invloeden + secretorische
functie + absorptieve functie nutriënten en water
Lamina epithelialis
Lamina propria
Lamina muscularis mucosae
Tela submucosa
Tunica muscularis
Stratum circulare
Stratum longitudinale
Tunica serosa
Bezenuwing:
IGLE = intraganglionaire laminaire eindigingen
NG = nodos ganglion = belangrijkste ganglion, via sensibele banden
van nervus vagus
DMX = belangrijkste motorische -> terugsturen naar ganglia
Kenmerken maag:
Ruggae = macroscopische plooien
Histologisch onderscheid herkauwers en niet-herkauwers
Grote velden op oppervlak = aria gastrica, opgedeeld in areolae gastrica -> afgelijnd door
foviola gastrica = diepe inkepingen
Slijmbekercellen
Bidirectionele celflow
Snelle oppervlaktecelvernieuwing, trage kliercelvernieuwing
Enterocyten in epitheel
Verschillende celtypen in klierbuizen:
Parietale cellen: secretie zoutzuur -> mitochondriën leveren energie (verschillende
verschijningsvormen)
Stamcellen
Pylorusklieren: muceuze cellen met basaal weggedrukte kern
Mucoïde nekcellen
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