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Samenvatting voorbereiding osteologie
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voorbereiding osteologie: circulatiestelsel
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cameroncroese
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LES 4: circulatiestelselOpdracht 1: situeer en oriënteer het hart anterieure zijde : ventrikels
posterieure bovenzijde : atria
pericart = hartzakje + vergroeid met
middenrif/ diafragma
Opdracht 2: duid aan op de preparaten
Algemene uitwendige structuren
- Pericard (= hartzakje)
- Sulcus atrioventricularis cirkelvormige groeve die atria van ventrikels scheid
- Sulcus interventricularis (anterior + posterior) voorkant rechts in sulcus lopen arteria coronalia
- Lig. arteriosum van Botal verbinding ltl aorta en truncus pulmonalis
Atrium dextrum groter hartoortje inwendig = hart omdraaien
- Auricula (= hartoortje)
- Uitmonding V. cava superior
- Uitmonding V. cava inferior
- Uitmonding sinus coronarius
- Fossa ovalis ltl rechter en linker atrium
Ventriculus dexter
- Rechter atrioventriculaire klep = tricuspidalisklep kleppen ltl atrium en ventrikel
o 3 cuspes
o chordae tendineae kleine lamentjes aan musculus papillares
o Mm. papillares voorkant openen: spier die zorgt dat kleppen ≠ terugslaan
- Trabeculae (= spierbalkjes)
- Truncus pulmonalis kleine tube voor aorta
o 3 valvulae semilunales (= halve maanvormige klepjes)
- A. pulmonalis dextra en sinistra bloed via truncus pulmonaris naar longen om O2 op te nemen
DAN O2 rijk bloed komt terug in linker atrium
Atrium sinistrum kleiner knopje
- Auricula (= hartoortje)
- Vv. pulmonales dextrae en sinistrae
Ventriculus sinister 2 kleppen
- Linker atrioventriculaire klep = bicuspidalisklep = mitralisklep
o 2 cuspes
o chordae tendineae
dikkere wand miocard WANT meer
o Mm. papillares
kracht nodig om bloed naar lichaam te
- Trabeculae (= spierbalkjes) sturen
- Truncus aortae
o 3 valvulae semilunales (= halve maanvormige klepjes)
van linker ventrikel naar aorta
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