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Samenvatting/aantekeningen Fysiologie jaar 1 PMT $7.06   Add to cart

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Samenvatting/aantekeningen Fysiologie jaar 1 PMT

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Dit zijn aantekeningen + kleine stukjes uit het boek van het eerste jaar van PMT. Mijn tentamen hiermee in een keer gehaald. TIP: kijk de filmpjes op youtube van Fun met fysiologie.

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  • March 16, 2022
  • 21
  • 2021/2022
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Les 1

Soorten spierweefsel:
• Dwarsgestreept (spieren) -> bewust aanspannen
• Gladspierweefsel (darmen, baarmoeder, blaas)
• Hart spierweefsel (hart) -> onbewust aanspannen



Grootst Kleinst

Mens (meter)Orgaanstelsel (dm)Origo en ins. (cm)Spierbundel (mm)SpiervezelsFilamentenMoleculen



Mens = meters


Orgaanstelsels = decimeters
• Deltoïdeus (spieren zijn orgaanstelsel)
o Origo
o Zenuw
o Insertie

Spierbundel = millimeter

Spiervezels = millimeter en centimeter

Filamenten (eiwit-draad in spiervezels) = micrometer
• Actine
• Myosine
o Zijn eiwitten

Moleculen

,Groot naar klein:
1. Hele spier
• Epismysium (omvat de hele spier)
2.Spierbundel
• Perimysium (omvat de spierbundel)
3. Spiervezel
• Endomysium (omvat de spiervezel)
4. Myofibril
• Sacromeren
• Dikke en dunne filamenten




Sacromeer
Z lijn
I-band
A-band
H-band
M-band
H-band
A-band
i-band
Z lijn


Sacormeren (kleinste deeltje van de spier dat kracht kan leveren)
• Kleinste functionele spiereenheden
• Bestaande uit:
o Dun filament = actine + troponine + tropomyosine
o Dik filament = myosine met myosinekoppen (haakjes)

Troponine = verstoord het hechten van de myosine

,

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