Dissection - PowerPoint PPT Presentation

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Dissection
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Dissection

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  1. Dissection Procedures, Instruments, and Drawings

  2. Procedures • Equip yourself with safety items upon entering the lab • Gloves • Apron • goggles • Rinse your specimen of excess preservative

  3. Procedures • Observations should be made of other dissection group’s specimens. • Specimen should be stored in its skin within a plastic bag sealed with rubber bands between dissections • All solid pieces should be disposed in trash can

  4. Procedures • Instruments must be rinsed, dried, and stored and blue trays must be rinsed • Tables must be wiped down with lysol spray • Hands should be washed with soap and hot water • Specimens should be discarded in trash can at the end of the entire dissection.

  5. Instruments: Scalpel • Fixed blades vs. replaceable blades • Scalpels should be used sparingly • Used to make deep incisions and separate skin from muscle during skinning

  6. Instruments: Forceps • Smooth vs. serrated tip • Used to hold or Move tissues and organs

  7. Instruments: Blunt probe • Used to explore body cavities

  8. Instruments: Dissecting needle • Used to trace blood vessels and nerves

  9. Instruments: Dissection Scissors • Straight vs. blunt tipped • Used to make initial incisions • Will cut through superficial and deep tissues

  10. Drawings • Specimen vs. Schematic Drawings • Title the drawing with the name of the specimen and portion of the specimen (if applicable) • Color may be used sparingly for shading • Microscope drawings: indicate power

  11. Drawings • Make drawing large and center it on page • Label lines should be straight, never cross, and should go directly to object they indicate • Obstructed structures should be shown with dashed lines