Summary
Zusammenfassung der zytologischen Grundlagen der Histologie
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Zusammenfassung der wichtigen historischen Grundlagen, die zum Verständnis der histologischen Themen.
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ZELL FÄRBUNG•
insbesondere mit konventionellen Farbemethoden
Hämatoxylin Eosin Färbung
→ - -
Unter normalen
Bedingungen Zytoplasma mit Eosin hellrosa
gefärbt
•
• besondere Anfärbbarkeit :
D
Azidophitie :
Zytoplasma färbt mit saurem Farbstoff Eosin intensiv rot an
↳ besonders
bei Jelinekrosen
ausgeprägt
D
Basophilie :
Zytoplasma / besondere Zellkulturen
basophile Granulozyten binden basophikn Farbstoff
Granula der eosinen Granulozyten
D
Orangerote Gelten Erythrozyten
:
,
•
Hämatoxylin : •
basisch , basophil blau
Zellkerne ZytoplasmaBestandteile (Mich an ER )
•
t
• Eosin : -
sauer ,
eosin → rot
•
Zytoplasma
Kollagenfasern elastische Fasern
•
,
, ZELL VERBINDUNGEN
→
basale 1 laterale Verknüpfung
Mama =
punktförmig
Zonula =
gürtelförmig
•
Raum kann zwischen 2 Membranen
vollständig verlegt =
ocdudens
adherens
eingeengt
=
D DEZMOSOMLR = •
Verdichtung Zellmembran von 2 Zellen
•
verstärkt durch Intermediärfilamente
•
mechanische Stabilisierung
•
Wirkung durch Zonwlaaanaerons verstärkt
D Nexus -
Gap junction : •
Verbindung zwischen 2 Zellen
•
direkter Stoffaustausch
Tunnel
förmige Membranproteine
•
D Zonuta Occludetts : •
flächenhaften Verschmelzung von 2 Zellmembranen
mit Zonula adhaerens zusammen Haftkomplex
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