Oct 30, 2023 · In this article, we'll go through the structure, function, location, characteristics, diagrams and examples of smooth muscle tissue. Start learning here.

Smooth muscles in the ciliary body of your eye pull on fibers called zonules to control how your eyes focus. Smooth muscles in your iris also control how your pupils dilate or constrict.

Nov 7, 2020 · All smooth muscle and smooth muscle cells are controlled by the nervous system. But the nervous system itself also includes several instances of smooth muscle, especially in the eye.

Smooth muscle is grouped into two types: single-unit smooth muscle, also known as visceral smooth muscle, and multiunit smooth muscle. Most smooth muscle is of the single-unit type, and is found in …

Apr 9, 2024 · Smooth muscle is one of three types of muscle tissue, alongside cardiac and skeletal muscle. It is a non-striated muscle tissue, lacking the characteristic markings of the other muscle types.

Smooth muscle, so-named because the cells do not have visible striations, is present in the walls of hollow organs (e.g., urinary bladder), lining the blood vessels, and in the eye (e.g., iris) and skin …

Smooth muscle fibers are spindle-shaped (wide in the middle and tapered at both ends, somewhat like a football) and have a single nucleus; they range from about 30 to 200 μ m (thousands of times shorter …

Because the actin and myosin are not arranged in a regular pattern in smooth muscle, the cytoplasm of a smooth muscle fiber has a nonstriated appearance resulting in the name – smooth muscle.

Smooth muscle facilitates digestion by controlling peristalsis, the rhythmic contractions that move food through the gastrointestinal tract. For instance, circular and longitudinal smooth muscles contract …

Jul 17, 2023 · Smooth muscle is found throughout the body where it serves a variety of functions. It is in the stomach and intestines where it helps with digestion and nutrient collection.