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23 Cards in this Set
- Front
- Back
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Antagonist
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A muscle that opposes the agonist at a joint.
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Popliteal
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Pertaining to the pit on the posterior aspect of the knee.
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Intrinsic
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Arising from within, such as intrinsic blood-clotting factors; Endogenous.
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Plantar
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Pertaining to the sole of the foot.
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Perineum
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The region between the thighs bordered by the coccyx, pubic symphysis, and ischial tuberosities; contains the orifices of the urinary, reproductive, and digestive systems.
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Origin
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The relatively stationary attachment of a skeletal muscle (compare insertion).
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Convergent
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Coming together, as in a convergent muscle and a converging neuronal circuit.
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Resistance
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A nonspecific ability to ward off infection or disease regardless of whether the body has been previously exposed to it.
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Muscular System
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An organ system composed of the skeletal muscles, specialized mainly for maintaining postural support and producing movements of the bones.
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Fix
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To hold a structure in place, for example, by fixator muscles that prevent unwanted joint movements.
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Innervation
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The nerve supply to an organ
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Linea
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An anatomical line, such as the linea albicans.
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Exocytosis
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A process in which a vesicle in the cytoplasm of a cell fuses with the plasma membrane and releases its contents from the cell; used in the elimination of cellular wastes and in the release of gland products and neurotransmitters.
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Intravenous
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Present or occurring within a vein, such as an intravenous blood clot.
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Fascicle
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A bundle of muscle or nerve fibers ensheathed in connective tissue; multiple fascicles bound together constitute a muscle or nerve as a whole.
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Hiatus
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An opening or gap, such as the esophageal hiatus through the diaphragm.
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Belly
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The thick part of a skeletal muscle between its origin and insertion.
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Cooperative Effects
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Effects in which two hormones, or both divisions of the autonomic nervous system, work together to produce a single overall result.
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Prime Mover
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The muscle primarily responsible for a given joint action; agonist.
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Stereocilium
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An unusually long, sometimes branched microvillus, lacking the axoneme and motility of a true cilium; serves such roles as absorption in the epididymis and sensory transduction in the inner ear.
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Synergist
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A muscle that works with the agonist to contribute to the same overall action at a joint.
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Thorax
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A region of the trunk between the neck and the diaphragm; the chest.
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Insertion
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The point at which a muscle attaches to another tissue and produces movement, opposite from its stationary origin; the origin and insertion of a given muscle sometimes depend on what muscle action is being considered.
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