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40 Matching questions

  1. xerosis
  2. preformed vitamin A
  3. rhodopsin
  4. osteomalacia
  5. opsin
  6. teratogenic
  7. erythrocyte hemolysis
  8. mucous membranes
  9. hemolytic anemia
  10. fibrocystic breast disease
  11. beta-carotene
  12. keratinization
  13. epithelial tissue
  14. cell differentiation
  15. retina
  16. chlorophyll
  17. keratin
  18. rickets
  19. hemorrhagic disease
  20. retinoids
  21. vitamin A
  22. alpha-tocopherol
  23. epithelial cells
  24. cornea
  25. vitamin A activity
  26. retinol activity equivalents
  27. xanthophylls
  28. carotenoids
  29. hemophilia
  30. night blindness
  31. sterile
  32. retinol-binding protein
  33. tocopherol
  34. muscular dystrophy
  35. pigment
  36. xerophthalmia
  37. keratomalacia
  38. remodeling
  39. intermittent claudication
  40. acne
  1. a the specific protein responsible for transporting retinol
  2. b the vitamin D deficiency disease in children characterized by inadequate mineralization of bone (manifested in bowed legs or knock-knees, outward-bowed chest and knobs on knees)
  3. c a molecule capable of absorbing certain wavelengths of light so that it reflects only those that we perceive as a certain color
  4. d a water-insoluble protein; the normal protein of hair and nails
  5. e Slow recovery of vision after exposure to flashes of bright light at night; an early symptom of vitamin A deficiency.
  6. f a hereditary disease in which the blood is unable to clot because it lacks the ability to synthesize certain clotting factors
  7. g a chronic inflammation of the skin's follicles and oil producing glands, which leads to an accumulation of oils inside the ducts that surround hairs; usually associated with the maturation of young adults
  8. h the green pigment of plants, which absorbs light and transfers the energy to other molecules, thereby initiating photosynthesis
  9. i pigments found in plants; responsible for the color changes seen in autumn leaves
  10. j the membranes, composed of mucous-secreting cells, that line the surfaces of body tissues
  11. k dietary vitamin A in its active form
  12. l the dismantling and re-formation of a structure, in this case, bone
  13. m abnormal drying of the skin and mucous membranes; a sign of vitamin A deficiency
  14. n causing abnormal fetal development and birth defects
  15. o a disease characterized by excessive bleeding
  16. p a term referring to both the active forms of vitamin A and the precursor forms in foods without distinguishing between them
  17. q softening of the cornea that leads to irreversible blindness; seen in severe vitamin A deficiency
  18. r accumulation of keratin in a tissue; a sign of vitamin A deficiency
  19. s pigments commonly found in plants and animals, some of which have vitamin A activity
  20. t chemically related compounds with biological activity similar to that of retinol; metabolites of retinol
  21. u the layer of light-sensitive nerve cells lining the back of the inside of the eye; consists of rods and cones
  22. v the process by which immature cells develop specific functions different from those of the original that are characteristic of their mature cell type
  23. w severe calf pain caused by inadequate blood supply; it occurs when walking and subsides during rest.
  24. x a bone disease characterized by softening of the bones; symptoms include bending of the spine and bowing of the legs; occurs most often in adult women.
  25. y progressive blindness caused by severe vitamin A deficiency
  26. z the condition of having too few red blood cells as a result of erythrocyte hemolysis
  27. aa the protein portion of the visual pigment molecule.
  28. ab an orange vegetable pigment that the body can change into the active form of vitamin a, one of the antioxidant nutrients
  29. ac the layer of the body that serves as a selective barrier between the body's interior and the environment
  30. ad the active vitamin E compound
  31. ae a hereditary disease in which the muscles gradually weaken; its most debilitating effects arise in the lungs
  32. af cells on the surface of the skin and mucous membranes
  33. ag all naturally occurring compounds with the biological activity of retinol
  34. ah a general term for several chemically related compounds, one of which has vitamin E activity
  35. ai a measure of vitamin A activity; the amount of retinol that the body will derive from a food containing preformed retinol or its precursor beta-carotene
  36. aj the breaking open of red blood cells; a symptom of vitamin E-deficiency disease in human beings
  37. ak free of microorganisms, such as bacteria
  38. al a light-sensitive pigment of the retina; contains the retinal form of vitamin A and the protein opsin
  39. am the transparent membrane covering the outside of the eye
  40. an a harmless condition in which the breasts develop lumps, sometimes associated with caffeine consumption. In some, it responds to abstinence from caffeine; in others, it can be treated with vitamin E