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Samenvatting cardiovasculair stelsel

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cardiovasculair stelsel

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January 28, 2020
Number of pages
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Written in
2019/2020
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CARDIOVASCULAIR STELSEL

Locatie: tussen het mediastinum holte tussen linker- en rechterlong
basis cordis naar craniodorsaal gericht basis hart
apex cordis naar caudoventraal gericht top hart
90° ↺: rechterhart craniaal en linker caudaal
facies auricularis linkerzijde met oortjes (auricula)
facies atrialis rechterzijde, met voorkamers (atria)

het hart bestaat uit 4 kamers nl. 2 atria en 2 ventrikels voorkamers/ kamers

septum interatriale scheiding tussen linker en rechter atrium
septum interventriculare scheiding tussen linker en rechter ventrikel
septum intermedium horizontale scheiding tussen atrium en ventrikel
annulus fibrosus bindweefselmembraan in beide harthelften
ostium atrioventriculare opening in annulus fibrosus
valvae atrioventriculares atrioventriculaire kleppen in ostium atrioventriculare
cuspes slippen, 2 of 3 in elke klep
chordae tendinae peesvezels, vertrekken uit slipranden
musculi papillares tepelvormige spiertjes in ventrikelwand
trabeculae carnea balkvormige verhevenheden in ventrikels
musculi pectinati kamvormige spierverdikkingen in atria
trabeculae septomarginales 1/2 verbinding(en) tussen septum interventriculare en ventrikelwand
sinus transversus pericardii tunnelvormige ruimte tussen atria en aorta en truncus pulmonalis

specifieke structuren in RA : (groter)

auricula dextra rechter hartoortje
sinus venarum cavarum verzamelplaats van de vena cava cranialis en caudalis (zuurstofarm bloed)
tuberculum intervenosum spierkam tussen vena cava cr. en ca., vermijdt botsen bloedstromen
fossa ovalis overblijfsel foramen ovale in septum interatriale
tricuspedalisklep 3-slippige klep
sulcus terminalis groeve tussen RA en sinus venarum cavarum, hierin ligt de sinusknoop
crista terminalis inwendige kam, uitwendig te zien als sulcus terminalis
sinus coronarius enkele cm ventraal van de fossa ovalis, mondt vena cordis magna in uit

specifieke structuren in RV (smal en rijkt niet tot apex cordis):

ostium trunci pulmonalis opening naar truncus pulmonalis (longen), met 3 semilunaire kleppen
crista supraventricularis spierbalk tussen ostium trunci pulmonalis en ostium atrioventriculare dextrum
conus arteriosus uitwendige welving, onderbreekt sulcus coronarius, thv ostium trunci pulmonalis

specifieke structuren in LA : (kleiner)

auricula sinistra linker hartoortje
venae pulmonales heel kort, brengt O2-rijk bloed van longen
ostium atrioventriculare sinistrum opening tussen linker atrium en ventrikel
bicuspedalis- of mitralisklep een 2-slippige klep in het ostium

specifieke structuren in LV : (dik)

ostium aortae opening aorta, ligt tussen de 2 atria
valvulae semilunares aortae 3 semilunaire slippen in de annulus fibrosus
cartilago cordis stukjes kraakbeen in de annulus fibrosus (EQ., CA., SU.)
ossa cordis stukjes been in de annulus fibrosus (herkauwers)

bloedvoorziening hart:

truncus pulmonalis brengt zuurstofrijk bloed naar longen
aorta brengt zuurstofrijk bloed naar lichaam
sulcus coronarius kransgroeve, horizontale zichtbare groeve tussen atria en ventrikels
conus arteriosus stam aorta en truncus pulmonalis, deelt sulcus coronarius op in dexter en sinister
a. coronaria dextra/ sinistra kransslagaders ontspringen boven de aortakleppen
valvula semilunaris sinistra linker aortaklep, hier ontspringt de a. coronaria sinistra
ramus circumflexus aftakking a. coronaria sinistra in sulcus coronarius
ramus interventricularis paraconalis aftakking a. coronaria sinistra in sulcus interventricularis paraconalis
R70,55
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