Improving medical students

10 Basic Medical Definitions

Posted by medliorator on November 18, 2007

These words are worth sorting out. A mix up can compromise your chart/testimony.

1. Abrasion = A superficial injury to the skin or other body tissue caused by rubbing or scraping resulting in an area of body surface denuded of skin or mucous membrane.

2. Incision = A cut or wound made by a sharp instrument or object.

3. Laceration = A wound produced by the tearing of body tissue often from blunt impact that is distinguished from a cut or incision.

4. Avulsion = The tearing away of a structure or part often seen as a partial avulsion.

5. Patterned Injury = An injury resembling the object or mechanism that caused the injury.

6. Pattern of Injury = Injuries in various stages of healing, including old and new scars, contusions, and wounds.

7. Contusion = A Bruise. An injury of tissue without breakage of skin. Blood accumulates in the surrounding tissue producing pain, swelling, tenderness, and discoloration.

8. Hemorrhage = The escape of blood from the vessels, bleeding.

9. Petechia = A pinpoint, nonraised, perfectly round, purplish red spot caused by intradermal or submucous haemorrhage.

10. Ecchymosis = A small haemorrhagic spot, larger than a petechia, in the skin or mucous membrane forming a nonelevated, rounded or irregular, blue or purplish patch.

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