terminal cisternae


terminal cisternae
Regions of the sarcoplasmic reticulum adjacent to T tubules, and from which calcium is released when striated muscle is activated.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Terminal cisternae — are enlarged areas of the sarcoplasmic reticulum surrounding the transverse tubules. They store calcium and release it when an action potential courses down the transverse tubules, eliciting muscle contraction. The T tubules plus adjacent… …   Wikipedia

  • muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …   Universalium

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  • cisterna — SYN: cistern. [L. an underground cistern for water, fr. cista, a box] c. ambiens [TA] SYN: ambient cistern. c. basalis SYN: interpeduncular cistern. c. caryothecae the space between the internal and external membranes of the nuclear …   Medical dictionary

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  • triad — 1. A collection of three things having something in common. 2. The transverse tubule and the terminal cisternae on each side of it in skeletal muscle fibers. 3. SYN: portal t.. 4. The father, mother, and child relationship projectively… …   Medical dictionary

  • nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… …   Universalium

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  • Pectinesterase — (PE) (EC number|3.1.1.11) is a ubiquitous cell wall associated enzyme that present several isoforms that facilitate plant cell wall modification and subsequent breakdown. It is found in all higher plants as well as in some bacteria and fungi.… …   Wikipedia


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