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PRÁ CTICA DE LABORATORIO
- Título: Disección de una Trucha o pez similar
- Material :
Cubeta de disseción o bandeja
Escalpelo
Aguja enmangada
Pinzas
Tijeras
Trucha o pez similar
- Método:
Introducimos la trucha o pez similar en la cubeta de disección y observamos detenidamente tratando de reconocer las partes más importantes de su anatomía externa.
Retiramos unas cuantas escamas para su posterior visión al microscopio
Realizamos un corte rectangular desde el ano hasta el opérculo para observar la musculatura
Cortamos el opérculo y observamos en el interior las branquias.
Una vez hemos realizado el corte retiramos el trozo de musculatura
Tras retirar la musculatura quedan a la vista las vísceras del pez
Observamos los órganos del pez y los distinguimos
Separamos el ojo y observamos el cristalino
Observamos al microscopio las escamas que habíamos extraído anteriormente
- Conclusión:
Observando detenidamente hemos podido reconocer y distinguido todas las partes y órganos del pez, incluso hemos podido observar el recorrido que realiza el alimento desde que entra por la boca, hasta que sale por el ano
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Enviado por: Dj_nas Idioma: castellanoPaís: España