1. Pearland High School Pearland ISD
Dissection Safety
Pearland High School
Pearland ISD

2. Safety is your responsibility
Always read through the lab so you know what you are doing before you start to do it!
Prevention is the best way to avoid an accident!

3. Lets start with the basics…
Always wear your safety gear.
Apron
Goggles
Gloves

4. Sharps Safety Sharps are anything that can cut or puncture the skin.
Sharps you will be using in this lab will be
Scalpels
Dissecting pins
Dissecting probes
Dissecting scissors
Handle scalpel with extreme care, be aware of where the cutting side of the blade is AT ALL TIMES!
ALWAYS CUT AWAY FROM YOUR BODY and away from others.

5. Biological Hazards
Biological hazards are any hazard of a biological origin that could cause harm to a human.
The specimen you are dissecting is considered a biological hazard.
These specimens are stored in preservatives that are harmful if ingested.
Safety Techniques
Never ingest specimen parts
Never remove specimens or specimen parts from the classroom
Properly dispose of specimens and parts
Properly store specimens as instructed by your teacher
Clean up your work area with a bleach based cleaner

6. After Dissection Store your specimen as instructed by your teacher
Clean all dissection tools and store as instructed by your teacher
Clean your work area (lab table, dissecting pan, tools) with a bleach based cleaner.
Remove your gloves and throw them in the trash can
Wash your hands
Put up your goggles and apron
Have a seat in your desk and wait to be dismissed.

7. Warnings…
Failure to wear your safety equipment will result in your dismissal from the lab, and a zero for a lab grade.
Any horseplay or inappropriate care of specimens will result in your dismissal from the lab and a zero for a lab grade.
Not reading or following directions will result in your dismissal from the lab and a zero for a lab grade.

8. Safety Why should you be careful with scalpels, scissors & pins?
Why should you wear gloves & goggles?
Why should long hair be tied back?
Why should you avoid wearing open-toe shoes?
Why is there no food or drink allowed in a lab?
Why is focus & appropriate behavior important in a dissection laboratory?

9. Dissecting tools Pins- used to hold an area open or pinned back
Scissors- used to cut through tissue.
Always try to use scissors when possible.
Scalpel- used to make incisions
Used only when scissors can not be used.

10. Pan- holds specimen
Forceps- to grasp at structures
Probe-to search for structures
Teasing Needle- for gently scraping tissue.

11. Dissecting Terms POSTERIOR- “rear” sometimes called caudal.
ANTERIOR- “front”

12. Terms
DORSAL- “back”
VENTRAL- “belly”

13. Terms
-relative location:
PROXIMAL-”near”
DISTAL-”far”

14. Terms
SUPERIOR- “above”
INFERIOR- “below”

15. Terms
SUPERFICIAL- “near surface”
DEEP- “below the surface”

16. PECTORAL- “chest region”
PELVIC- “hip region”

17. Planes of Symmetry SAGITTAL PLATE- bisects left & right sides.
CORONAL PLATE bisects “front & back”.
TRANSVERSE PLATE - bisects top & bottom halves.
LATERAL- “side”
MEDIAN- “middle”

18. Bilateral Symmetry