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| 31. | fibroblast | most abundant cell type in connective tissue, secretes protein fibers and matrix into the extracellular space |
| 32. | fibrocartilage | tough form of cartilage, made of thick bundles of collagen fibers embedded in chondroitin sulfate ground substance |
| 33. | fibrocyte | less active form of fibroblast |
| 34. | fluid connective tissue | specialized cells that circulate in a watery fluid containing salts, nutrients, and dissolved proteins |
| 35. | gap junction | allows cytoplasmic communications to occur between cells |
| 36. | goblet cell | unicellular gland found in columnar epithelium that secretes mucous |
| 37. | ground substance | fluid or semi-fluid portion of the matrix |
| 38. | histamine | chemical compound released by mast cells in response to injury that causes vasodilation and endothelium permeability |
| 39. | histology | microscopic study of tissue architecture, organization, and function |
| 40. | holocrine secretion | release of a substance caused by the rupture of a gland cell, which becomes part of the secretion |
| 41. | hyaline cartilage | most common type of cartilage, smooth and made of short collagen fibers embedded in a chondroitin sulfate ground substance |
| 42. | inflammation | response of tissue to injury |
| 43. | lacunae | (singular: lacuna) small spaces in bone or cartilage tissue that cells occupy |
| 44. | lamina propria | areolar connective tissue underlying a mucous membrane |
| 45. | loose connective tissue | (also, areolar tissue) type of connective tissue proper that shows little specialization with cells dispersed in the matrix |
| 46. | matrix | extracellular material which is produced by the cells embedded in it, containing ground substance and fibers |
| 47. | merocrine secretion | release of a substance from a gland via exocytosis |
| 48. | mesenchymal cell | adult stem cell from which most connective tissue cells are derived |
| 49. | mesenchyme | embryonic tissue from which connective tissue cells derive |
| 50. | mesoderm | middle embryonic germ layer from which connective tissue, muscle tissue, and some epithelial tissue derive |
| 51. | mesothelium | simple squamous epithelial tissue which covers the major body cavities and is the epithelial portion of serous membranes |
| 52. | mucous connective tissue | specialized loose connective tissue present in the umbilical cord |
| 53. | mucous gland | group of cells that secrete mucous, a thick, slippery substance that keeps tissues moist and acts as a lubricant |
| 54. | mucous membrane | tissue membrane that is covered by protective mucous and lines tissue exposed to the outside environment |
| 55. | muscle tissue | type of tissue that is capable of contracting and generating tension in response to stimulation; produces movement. |
| 56. | myelin | layer of lipid inside some neuroglial cells that wraps around the axons of some neurons |
| 57. | myocyte | muscle cells |
| 58. | necrosis | accidental death of cells and tissues |
| 59. | nervous tissue | type of tissue that is capable of sending and receiving impulses through electrochemical signals. |
| 60. | neuroglia | supportive neural cells |
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