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| 61. | neuron | excitable neural cell that transfer nerve impulses |
| 62. | oligodendrocyte | neuroglial cell that produces myelin in the brain |
| 63. | parenchyma | functional cells of a gland or organ, in contrast with the supportive or connective tissue of a gland or organ |
| 64. | primary union | edges of a wound are close enough together to promote healing without the use of stitches to hold them close |
| 65. | pseudostratified columnar epithelium | tissue that consists of a single layer of irregularly shaped and sized cells that give the appearance of multiple layers; found in ducts of certain glands and the upper respiratory tract |
| 66. | reticular fiber | fine fibrous protein, made of collagen subunits, which cross-link to form supporting "nets" within connective tissue |
| 67. | reticular lamina | matrix containing collagen and elastin secreted by connective tissue; a component of the basement membrane |
| 68. | reticular tissue | type of loose connective tissue that provides a supportive framework to soft organs, such as lymphatic tissue, spleen, and the liver |
| 69. | Schwann cell | neuroglial cell that produces myelin in the peripheral nervous system |
| 70. | secondary union | wound healing facilitated by wound contraction |
| 71. | serous gland | group of cells within the serous membrane that secrete a lubricating substance onto the surface |
| 72. | serous membrane | type of tissue membrane that lines body cavities and lubricates them with serous fluid |
| 73. | simple columnar epithelium | tissue that consists of a single layer of column-like cells; promotes secretion and absorption in tissues and organs |
| 74. | simple cuboidal epithelium | tissue that consists of a single layer of cube-shaped cells; promotes secretion and absorption in ducts and tubules |
| 75. | simple squamous epithelium | tissue that consists of a single layer of flat scale-like cells; promotes diffusion and filtration across surface |
| 76. | skeletal muscle | usually attached to bone, under voluntary control, each cell is a fiber that is multinucleated and striated |
| 77. | smooth muscle | under involuntary control, moves internal organs, cells contain a single nucleus, are spindle-shaped, and do not appear striated; each cell is a fiber |
| 78. | stratified columnar epithelium | tissue that consists of two or more layers of column-like cells, contains glands and is found in some ducts |
| 79. | stratified cuboidal epithelium | tissue that consists of two or more layers of cube-shaped cells, found in some ducts |
| 80. | stratified squamous epithelium | tissue that consists of multiple layers of cells with the most apical being flat scale-like cells; protects surfaces from abrasion |
| 81. | striation | alignment of parallel actin and myosin filaments which form a banded pattern |
| 82. | supportive connective tissue | type of connective tissue that provides strength to the body and protects soft tissue |
| 83. | synovial membrane | connective tissue membrane that lines the cavities of freely movable joints, producing synovial fluid for lubrication |
| 84. | tight junction | forms an impermeable barrier between cells |
| 85. | tissue membrane | thin layer or sheet of cells that covers the outside of the body, organs, and internal cavities |
| 86. | tissue | group of cells that are similar in form and perform related functions |
| 87. | totipotent | embryonic cells that have the ability to differentiate into any type of cell and organ in the body |
| 88. | transitional epithelium | form of stratified epithelium found in the urinary tract, characterized by an apical layer of cells that change shape in response to the presence of urine |
| 89. | vasodilation | widening of blood vessels |
| 90. | wound contraction | process whereby the borders of a wound are physically drawn together |
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