Summary
Samenvatting histologie van de orgaanstelsels: Hart, 2e bachelor biomedische wetenschappen
- Course
- Institution
Samenvatting histologie van de orgaanstelsels: Hart 2e bachelor, 1e semester Biomedische wetenschappen
[Show more]
Seller
Follow
lottehulselmans
Content preview
Histologie: HartFuncties hart en bloedvaten:
Transport zuurstof en voedingsstoffen
Transport kooldioxide en afvalstoffen
Transport hormonen
Transport immunocompetente cellen en eiwitten
Transport warmte
Systeem van bloedstolling
Pompsysteem
Anatomie en histologie
3 lagen:
Endocard: endotheel + dunne laag losmazig collageen BW
Myocard: spierlaag met spoelvormige hartspiercellen
Epicard: BW met vetcellen, bedekt met mesotheel
Wand linkerventrikel dikker dus grotere
bloedsomloop
Kenmerken hartspierweefsel:
Spoelvormige hartspiercellen: 1 of 2
kernen/cel, centraal gelegen
Trapstrepen: mechanische juncties
Horizontaal: communicatie juncties = gap juncties
Functionele eenheid = sarcomeer = Z-lijn tot Z-lijn
Diaden
Rijk gevasculariseerd
Veel mitochondriën
Geleidingssysteem
3 onderdelen:
Nodus sinuatrialis = sinusknoop van Keith-Flack
Nodus atrioventricularis = atrioventriculaire knoop van Aschoff-Tawara
Fasciculus atrioventricularis = bundel van His
Ontspringt in atrioventriculaire knoop
Splitst in crus dexter en crus sinister -> rafelen uit in vezels van Purkinje
2 typen cellen:
Nodale cellen
Gelegen in beide knopen + in begin van bundel
Zijn gemodifieerde hartcellen, kleiner en rijker aan glycogeen
Intercalaire schijven en dwarsstreping onduidelijker
Niet altijd van fibroblasten te onderscheiden
Weinig georiënteerd netwerk
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller lottehulselmans. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.78. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
64438 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now