smooth muscle fiber

smooth muscle fiber

[′smüth′məs·əl ‚fī·bər]
(histology)
Any of the elongated, nucleated, spindle-shaped cells comprising smooth muscles. Also known as involuntary fiber; nonstriated fiber; unstriated fiber.
References in periodicals archive ?
Ultrastructure of the giant smooth muscle fiber of the ctenophore Beroe ovata.
The B-type is of smooth muscle fiber type that is mostly found in the metapodium, and functions to maintain greater tension.
Two-thirds of the way up is a bulge that has wisps of smooth muscle fiber attached to it.
The vessel walls consisted of smooth muscle fibers arranged circumferentially in the inner, and swirled in the outer layers, confirmed by immunohistologic expression of smooth-muscle actin (Fig.
The round ligament mainly consists of smooth muscle fibers, connective tissues, vessels, and nerves.
Immunohistochemical staining for smooth muscle actin showed that fusiform-cheroot-shaped cells were smooth muscle fibers (Figure 2).
It is mainly composed of connective tissue, smooth muscle fibers, vessels, and nerves with a mesothelial coating [2, 5].
Tunica muscularis of esophagus of duck was made up of thick inner circular and narrow outer longitudinal smooth muscle fibers layers.
Histologically, the tumor is formed by smooth muscle fibers, anarchically arranged in mass of stromal connective tissue.
On microscopic examination, the cervical growth consisted of blood vessels and smooth muscle fibers in the cervical stroma covered by stratified squamous epithelium (Figure 1).
Smooth muscle fibers constitute only about 2% of the thickness of the pulmonary artery wall.

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