A&P Ch4 Muscle Tissue Vocab

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  1. the strong tendon that joins the muscles in the posterior leg to the calcaneus
    Achilles tendon
  2. a cellular protein found in myofilaments that is active in muscular contraction, cellular movement and maintenance of cell shape
    actin myofilament
  3. a change in electrical potential that occurs when a cell or tissue has been activated by a stimulus
    action potential
  4. the short muscle that adducts the hip
    adductor brevis
  5. the long muscle that adducts the hip
    adductor longus
  6. the area within the pelvis that contains the anus
    anal triangle
  7. muscles working in opposition to each other
  8. a condition caused by damage, either through trauma or infection, to the facial nerve, resulting in an inability to move the facial muscles on the affect side
    Bell's palsy
  9. the large portion of muscle between the origin and the insertion
  10. located in the posterior compartment of the leg, it flexes and laterally rotates the knee and extends the hip
    biceps femoris
  11. an intracellular protein that calcium binds to, resulting in myscle contraction
  12. muscle that is found only in the heart, providiing the contractions needed to propel the blood through the circulatory system
    cardiac muscle
  13. an anatomic space within the body that is enclosed by fascia
  14. accumulation of blood or fluid in an anatomic compartment, typically following trauma, resulting in compression of blood vessels and tissue damage secondary to ischemia and , if not recognized and promptly treated, death of myscle and loss of the limb.
    compartment syndrome
  15. a flattened dome-shaped myscle that is the main muscle of breatheing, located at the base of the thorax, spearating the thorax from the abdomen
  16. the delicate connective tissue surrounding individual musclular fibers
  17. groups of muscles that cause extension
    extensor muscles
  18. fluid outside of the cells
    extracellular fluid
  19. movement of the eyes in various directions
    extraocular movements
  20. a layer of fibrous connective tissue outside the epimysium that separates individual muscles
  21. groups of muscles that cause flexion when contracted
    flexor muscles
  22. conduction areas between cells (eg, in visceral smooth muscle) that interconnect individual muscle cells
    gap junctions
  23. an iron-containing pigment found in reb blood cells, carries 97% of oxygen
  24. the end of a muscle that is attached to the bone that is undergoing the greatest movement
  25. branching fibers in cardiac muscle that allow action potentials to pass from cell to cell
    intercalated disks
  26. the ability of a muscle to generate its own electrical activity
    intrinsic automacity
  27. an organic acid that can lower the intracellular pH
    lactic acid
  28. specialized nerve cells that can deliver an impulse to muscle cells, causing them to contract
    motor neurons
  29. one of the two types of smooth muscle, itis formed into sheets of muscle (as in the walls of blood vessels), small bundles of muscles (as in the iris of the eye), or single cells (as in the capsule of the spleen)
    multiunit smooth muscle
  30. fibers that contract causing movement; three types of muscle are present in the body: skeletal, smooth, and cardiac muscle
  31. a bundles of skeletal muscle cells bound together by connective tissue and forming one of the constituent elements of a muscle
    muscle fasciculus
  32. threadlike structures that extend from one end of the muscle fiber to the other
  33. the individual protein filaments, composed of either actin or myosin, that make up a myofibril
  34. an iron-containing red pigment, similar to hemoglobin that is found in myscle fibers
  35. a fibrous globulin of muscle that reacts with actin to form actomyosin
    myosin myofilaments
  36. the junction between a motor neuron and a muscle fiber. One type of a synapse
    neoromuscular junction
  37. a chemical substance that transmits nerve impulses across a synapse
  38. the attachement of a muscle to the more stationary of two bones
  39. a temporary oxygen deficiency in muscles after strenuous exercise, characterized by heavy breathing until the muscles have been supplied with sufficient oxygen
    oxygen debt
  40. a deep muscle of the medial compartment that adducts, flexes, and internally rotates the thigh
    pectineus muscle
  41. the largest muscle of the chest wall, it adducts and internally rotates the shoulder
    pectoralis major
  42. the connective tissue sheath that surrounds a muscle and forms sheaths for the bundles of myscle fibers
  43. the area below the coccygeus and levator ani muscles, which forms the floor of the pelvis
  44. the proximal portion of the muscle fiber in the neuromuscular junction
    postsynaptic terminal
  45. the distal end of the nerve fiber in the neuromuscular junction
    presynaptic terminal
  46. the muscle in a group of muscles that has the major role in movement
    prime mover
  47. muscle contained in the anterior compartment of the thigh that extends the knee when contracted
    quadriceps femoris
  48. the linear muscle of the midline of the abdomen
    rectus abdominus
  49. a special group of four muscles that forms a cap over the proximal humerus and ties the humerus to the scapula. it controls rotation at the shoulder joint
    rotator cuff
  50. the thin transparent sheath surrounding a striated muscle fiber
  51. any of the repeating structural units of striated muscle fibers
  52. a system of membranes that transport materials in muscle cells
    sarcoplasmic reticulum
  53. the longest muscle in the human body, it is located in the anterior compartment of the thigh and flexes both the hip and knee when it contracts
    sartorius muscle
  54. muscles of respiration that elevate the first two ribs during inspiration
    scalene muscles
  55. striated muscles that are under direct volitional control of the brain
    skeletal muscle
  56. the movement of the myofilaments during during contraction of the muscle
    sliding filament mechanism
  57. muscle that carries out much of the automatic work of the body, such as moving food through the digestive tract and dilating and constricting the pupils of the eye
    smooth muscle
  58. the space between nerves and muscles in the neuromuscular junction across which a nerve impulse is transmitted by a neurotransmitter
    synaptic cleft
  59. muscles that work together to accomplish a particular movement
  60. tough, ropelike cords of fibrous tissue that attach muscles to bones
  61. a test used to evaluate the integrity of the Achilles tendon for possible rupture
    Thompson's test
  62. the region within the pelvis that contains the structures of the urogenital system
    urogenital triangle
  63. sheets of muscle found in the digestive, reproductive and urinary tracts
    visceral smooth muscle
  64. a layman's term for traumatic soft-tissue injury to the structure of the neck, associated with sudden flexion or extension
  65. supination of the forearm against resistance to evaluate whether a patient has bicipital tendinitis
    Yergason's test
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A&P Ch4 Muscle Tissue Vocab
2012-12-05 21:38:35
muscle tissue

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