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Samenvatting : Algemene histologie

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Dit is een volledige samenvatting van het te kennen deel 'Algemene histologie' van prof De Vral. Er zijn heel veel foto's aanwezig die je helpen bij het memoriseren en herkennen. Ik behaalde 17/20 door deze samenvatting te leren.

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Algemene histologie en bijzondere
histologie van bloedvaten en huid
Inhoud
H1: Epithelen ........................................................................................................... 5
Algemene histologie .............................................................................................. 5
Epithelen.............................................................................................................. 5
Bedekkend epitheel .............................................................................................. 5
Bedekkend epitheel: 1-lagige epithelen .................................................................. 6
1-lagig plaveiselepitheel .................................................................................... 6
1-lagig kubisch epitheel ..................................................................................... 6
1-lagig cilindrische epitheel................................................................................ 6
Bedekkend epitheel: pseudomeerlagig epitheel ...................................................... 7
Bedekkend epitheel: meerlagige epithelen.............................................................. 8
Meerlagig niet-verhoornd plaveisel ..................................................................... 8
Meerlagig verhoornd plaveisel ............................................................................ 8
Meerlagig cilindrisch epitheel ............................................................................. 9
Overgangsepitheel of urotheel .......................................................................... 10
Atypische epithelen ............................................................................................ 10
Oppervlaktespecialisaties ................................................................................... 11
Apicale oppervlaktespecialisaties .................................................................... 11
Laterale oppervlaktespecialisaties ................................................................... 11
Basale oppervlaktespecialisaties ..................................................................... 11
Klierepitheel ....................................................................................................... 11
Exocriene klieren ............................................................................................. 12
Myo-epitheel ...................................................................................................... 14
Neuro-epitheel ................................................................................................... 14
H2: Bindweefsel ..................................................................................................... 15
Bind- en steunweefsels ....................................................................................... 15
Eigenlijk bindweefsel ........................................................................................... 15
Componenten van het eigenlijk bindweefsel ......................................................... 15

1

, Cellen voor aanmaak en onderhoud ................................................................. 15
Cellen voor reserve en isolatie .......................................................................... 16
Verdedigingscellen .......................................................................................... 16
Extracellulaire matrix ....................................................................................... 19
Types eigenlijk bindweefsel.................................................................................. 21
Vezelrijk bindweefsel ....................................................................................... 21
Embryonaal bindweefsel ..................................................................................... 22
Reticulair bindweefsel ......................................................................................... 23
Vet bindweefsel .................................................................................................. 23
H3: Kraakbeen ....................................................................................................... 24
Kraakbeen .......................................................................................................... 24
Vorming en opbouw van kraakbeen ...................................................................... 25
Samenstelling van kraakbeen .............................................................................. 25
Extracellulaire kraakbeenmatrix ....................................................................... 26
Soorten kraakbeen .............................................................................................. 27
Hyalien kraakbeen ........................................................................................... 27
Elastisch kraakbeen ........................................................................................ 27
Fibreus/vezelig kraakbeen ................................................................................ 27
H4: Bot .................................................................................................................. 28
Botcellen............................................................................................................ 29
Osteoblasten .................................................................................................. 29
Osteocyten ..................................................................................................... 30
Osteoclasten .................................................................................................. 30
Microscopisch bot .............................................................................................. 31
Primair of plexiform bot .................................................................................... 31
Secundair of lamellair bot ................................................................................ 31
Macroscopisch / anamtomisch bot ...................................................................... 32
Compact bot ................................................................................................... 32
Spongieus bot ................................................................................................. 32
Botvorming ......................................................................................................... 34
Directe / desmale / intramembraneuze botvorming ............................................ 34
Indirecte / chondrale botvorming ...................................................................... 34

2

, Histofysiologie van het bot .................................................................................. 36
Botregeneratie .................................................................................................... 37
H5: Spierweefsel .................................................................................................... 38
Skeletspierweefsel – dwarsgestreept spierweefsel ................................................ 38
Lichtmicroscopisch ......................................................................................... 39
Elektronenmicroscopisch ................................................................................ 39
Moleculaire structuur van myosine filament ...................................................... 40
Moleculaire structuur van actine filament ......................................................... 40
Hulpeiwitten van de myofibrillen ...................................................................... 40
Contractiemechanisme: sliding filament principe .............................................. 42
Varianten van skeletspieren ............................................................................. 42
Groei en regeneratie ........................................................................................ 43
Hartspierweefsel – dwarsgestreept spierweefsel ................................................... 43
Lichtmicroscopisch ......................................................................................... 43
Elektronenmicroscopisch ................................................................................ 44
Glad spierweefsel ............................................................................................... 45
Lichtmicroscopisch ......................................................................................... 45
Elektronenmicroscopisch ................................................................................ 46
Spiercontractie ............................................................................................... 46
H6: Zenuwweefsel .................................................................................................. 47
Componenten van het zenuwweefsel ................................................................... 47
Neuronen of zenuwcellen ................................................................................ 47
Synapsen ........................................................................................................ 50
Neuroglia of steunweefsel ................................................................................ 52
Zenuwvezels ................................................................................................... 52
Organisatie van zenuwvezels en perikarya in PZS en CZS .................................... 55
H7: Bloedvaten ...................................................................................................... 56
Algemene bouw van bloedvaten........................................................................... 56
Arteriën en venen: het macrovasculair systeem .................................................... 57
Het arterieel systeem....................................................................................... 57
Het veneus systeem ........................................................................................ 57
Capillairen en venulen: het microvasculair systeem .............................................. 60

3

, Capillair of haarvat .......................................................................................... 60
Venulen .......................................................................................................... 60
H8: Integument ...................................................................................................... 62
Epidermis ........................................................................................................... 62
Cellagen van de epidermis (keratinocyten): ....................................................... 62
Dermis ............................................................................................................... 64
Hypodermis........................................................................................................ 65
Aanhangsels ....................................................................................................... 66
Haren ............................................................................................................. 66
Talgklieren ...................................................................................................... 66
Zweetklieren ................................................................................................... 67
Bloedvoorziening van de huid .............................................................................. 67
EXAMEN ................................................................................................................ 68




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