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  • Update Regarding Multitracks + Registration

    It's clear that this thread needs some love and attention. A lot of the links have either expired or been miss-labelled. With the amount of tracks there are, this is quite a practice. I have made the decision to lock this thread from further replies and to put out this notice that I will be refreshing this thread with updated links and guidance where needed.

    I will update the thread on multitracks and the first post with any forth coming updates about this in due course. For information - I have also disabled user registrations to do some tidyup. Stay tuned.

'smooth

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Smooth muscle is an involuntary non-striated muscle, so-called because it has no sarcomeres and therefore no striations. It is divided into two subgroups, single-unit and multiunit smooth muscle. Within single-unit muscle, the whole bundle or sheet of smooth muscle cells contracts as a syncytium.
Smooth muscle is found in the walls of hollow organs, including the stomach, intestines, bladder and uterus; in the walls of passageways, such as blood, and lymph vessels, and in the tracts of the respiratory, urinary, and reproductive systems. In the eyes, the ciliary muscle, a type of smooth muscle, dilate and contract the iris and alter the shape of the lens. In the skin, smooth muscle cells such as those of the arrector pili cause hair to stand erect in response to cold temperature or fear.

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