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  1. 1. A cut made into the skin or an organ during surgery.
  2. 5. Using the thumb or fingers to apply pressure to particular spots, or pressure points, on the body in order to relieve pain.
  3. 7. A condition or disease of unknown origin.
  4. 8. An abnormal layer of tissue that forms over joints or the cornea of the eye.
  5. 10. memory A type of short-term memory process that involves temporarily storing and manipulating information.
  6. 12. Sudden, severe confusion that occurs because of a mental or physical illness.
  7. 14. A hole in the tooth caused by advanced decay.
  8. 16. Related to the muscles and the skeleton.
  9. 21. A form of arthritis that occurs when uric acid builds up in the joints; The big toe, knee, and ankle joints are most often affected.
  10. 22. A test that measures the electrical activity of the heart and detects heart problems.
  11. 23. Something not visible to the naked eye but seen under a microscope or through lab tests.
  12. 25. are experiences of sensations that have no source. Some examples of hallucinations include hearing nonexistent voices, seeing nonexistent things, and experiencing burning or pain sensations with no physical cause.
  13. 27. A yellow, lipid-laden deposit in the skin or on a tendon.
  14. 29. atrium The left upper chamber of the heart.
  15. 30. The popular term for muscle and ligament damage resulting from rapid and extreme extension and flexion of the neck. The term is also used for the accident causing the injury, most often a rear-end motor vehicle accident.
  16. 33. Organisms and microorganisms, such as yeasts and molds, that can live as a parasite on plants and animals.
  17. 34. A loss of brain function that worsens over time and affects memory, thinking, behavior, and language
  18. 35. A protein and the major component of the cuticle and cortex layers of hair; the same protein is found in nails, feathers, claws, and hooves.
  19. 36. Movement of a body part, such as an arm or leg, away from the center of the body.
  20. 39. Short-lived radioactive chemicals that are used in nuclear imaging tests.
  21. 40. Having to do with blood vessels and circulation.
  22. 43. The period of grief and mourning after a death.
  23. 44. Paralysis of all limbs, often caused by a severe neck injury.
  24. 46. Pertaining to the heart and blood vessels.
  25. 48. The bony socket that holds the eyeball.
  26. 49. A characteristic frame of mind that leads a person to expect negative outcomes and to view the world as a negative or fearful place.
  27. 50. lag A feeling of fatigue that occurs as the biological clock resets itself after traveling across time zones, usually by airplane.
  28. 51. A microorganism.
  1. 2. A rare infection of the brain or spinal cord that occurs when syphilis goes untreated for many years.
  2. 3. Minerals in the body that are electrically charged and play an important role in body processes, such as regulating fluid levels in the body. Examples include calcium and sodium.
  3. 4. Dizziness; often a spinning sensation or a feeling that the ground is tilting.
  4. 6. A xanthoma on the eyelid.
  5. 9. A metric unit of weight equivalent to one-thousandth of a kilogram.
  6. 11. The large bone of the calf, or shinbone.
  7. 13. A blank spot in the visual field that is sometimes evident during the aura of a migraine headache.
  8. 15. amyloid An abnormal protein deposited in the brain in Alzheimer’s disease.
  9. 17. sicca Persistent dryness of the eye.
  10. 18. Thin, gelatinous ligaments that attach the lens to the ciliary body and support the lens centrally behind the pupil.
  11. 19. A brain structure that relays sensory information to other parts of the brain; also plays a role in memory consolidation.
  12. 20. A junction in the body where bones are linked together.
  13. 24. Thigh bone.
  14. 26. A small, fleshy flap of tissue that hangs from the back of the throat over the root of the tongue.
  15. 28. An increased sensitivity to pain.
  16. 31. The inner ear. It contains the cochlea, which is responsible for hearing, as well as structures that are needed for balance.
  17. 32. disease An infectious disease that is transmissible under normal conditions from animals to humans.
  18. 37. Inflammation of the pigmented part of the eye (the iris); may seriously affect vision.
  19. 38. capsulotomy A laser technique to correct blurred vision caused by cloudiness that may develop in the skin of the cataract left in the eye after cataract surgery; a laser is used to create a hole in the membrane to allow light to enter clearly focused onto the retina.
  20. 41. A period of time in which a sick person is kept away from others to prevent the spread of disease.
  21. 42. A drug or a procedure that has a calming effect and relieves anxiety and tension.
  22. 45. tests Tests that use tiny amounts of short-lived radioactive substances that can target particular organs or cell receptors to diagnose disease.
  23. 47. eye A period of intense brain activity during sleep, often associated with dreams; named for the rapid eye movements that occur during this time. Also called dreaming sleep.