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Biologie > Aufbau Neoron > Flashcards

Aufbau Neoron Flashcards

1
Q

Synapse

A

Verbindung 2er Nervenzellen
meist chemisch elektrisches Signal -> chemisches Signal
Reizaufnahme, Reizweiterleitung, Reizübertragung

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2
Q

Dendrit

A

Nehmen elektrisches Signal wahr
Leiten an Soma weiter
Verbindung / Kommunikation zw. Nerven

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3
Q

Soma

A

Besteht aus Cytoplasma
Enthält Zellkern und Mitochondrien

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4
Q

Axonhügel

A

Sammelt Signale der Dendriten
Leitet elektrische Signale an Axon weiter (Aktionspotential)

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5
Q

Myelinscheide

A

Isolationsschicht
Nicht durchgängig

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6
Q

Myelinschicht

A

Gesamtheit aller Schwannschen Zellen + Ranvierschen Schnürrringen

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7
Q

Ranvierscher Schnürring

A

Freiliegendes Axon

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8
Q

Axon

A

Leitet elektrische Signale an Nerven / Muskelzellen weiter

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9
Q

Nervenfaser

A

Myelinscheide + Axon

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10
Q

Synaptisches Endknöpfchen

A

Übertragen Signale an benachbarte Zellen

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11
Q

Neuron

A

Wahrnehmung / Weiterleitung von Reizen oder Erregungen

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12
Q

Neuron von Wirbeltieren

A

Markhaltig mit Myelinschicht

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Biologie (4 decks)

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