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SCI 220 - Study Stac
| Question | Answer |
|---|---|
| fascia | fibrous connective tissue found under the skin and surrounding many deeper organs, including skeletal muscles and bones. |
| antagonists | muscles that, when contracting, directly oppose prime movers (or agonists) |
| opponens pollicis | allows the thumb to be drawn across the palm to touch the palmar surface of any finger (opposition)—a critical movement for many manipulative activities |
| sarcoplasmic reticulum (SR) | the muscle fiber’s version of smooth endoplasmic reticulum. The func-tion of the SR is to temporarily store calcium ions (Ca⫹⫹). |
| neuromuscular junction (NMJ) | a type of connection called a synapse and is characterized by a narrow gap, or synaptic cleft, across which neurotransmitter molecules transmit signals |
| central nervous system (CNS) | consists of the brain and spinal cord |
| neurons | excitable cells that conduct the impulses that make possible all nervous system functions. |
| resting membrane potential (RMP) | the membrane potential maintained by a nonconducting neuron’s plasma membrane |
| stimulus-gated channels | ion channels that open in response to chemicals produced by a sensory |
| plasma | the watery fluid portion of blood is the extracellular matrix of blood tissue, a type of connective tissue |
| hematopoiesis | formation of new blood cells |
| erythroblastosis fetalis | a hemolytic condition caused by the mother’s Rh antibodies reacting with the baby’s Rh-positive cells |
Created by:
tcereno