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Samenvatting anatomie van de rat (practicum basisobservaties) $0.00

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Samenvatting anatomie van de rat (practicum basisobservaties)

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De samenvatting omschrijft de onderdelen van de rat. Deze zijn telkens aangeduid op afbeeldingen. De samenvatting is opgesteld aan de hand van de te kennen leerstof. Ik heb de samenvatting gebruikt voor het "examen" begin december en was ruim geslaagd.

Last document update: 2 year ago

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  • October 14, 2022
  • October 14, 2022
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Anatomie van de rat


Kenmerken Mammalia (= zoogdieren)
-> aanwezigheid melkklieren
-> vierdelig hart met 1 aortaboog
-> diafragma
-> onderkaak = dentale
-> 3 gehoorbeentjes in middenoor
-> relatief constante en hoge lichaamstemperatuur
-> zweetklieren

Kenmerken Rodentia (= knaagdieren)
-> grote beitelvormige snijtanden

1. Uitwendige vorm

1.1. KOP

Uitstekende snuitgedeelte:
• Nares (= neusopeningen)
-> kunnen onder water gesloten worden
• Rhinarium (= pelsloze huidoppervlak rond neusgaten)
-> scheidt de neusgaten
• Labia (= lippen)
-> begrenzen de mond
• Philtrum
-> mediane spleet die tot de neusopeningen rijkt
• Incisivi (= beitelvormige snijtanden)
-> 1 paar op elke kaak

Ogen:
-> groot
-> lateraal
-> niet beweeglijk
-> conjunctiva (= dun membraan dat oogbol en binnenkant oogleden bedekt)

Gehoororgaan:
• Pinna
-> uitwendige, beweeglijke, kraakbenige oorschelp
• Meatus
-> uitwendige ooropening
-> leidt geluidsgolven naar uitwendige gehoorgang en middenoor

Vibrissae (= tastharen):
-> lange stijve haren
-> basis in haarfollikel = omgeven door sensibele zenuwuiteinden
-> staan in groepjes

, 1.2. ROMP EN STAART

Nek:
-> 7 halswervels
-> verbindt de kop met de licht gewelfde romp
-> thorax (voorste gebied)
-> abdomen (achterste gebied)

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