Distribution of smooth muscle actin-containing cells in the human meniscus.
basic_science · Level V
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Abstract
This is the first report of a contractile actin isoform, a-smooth muscle actin (SMA), in the cells of the human meniscus that lacked meniscal tears based on gross anatomical appearance. Approximately 25% of the cells in the tissue contained SMA by immunohistochemistry. Most of the SMA-positive cells were chondrocytic in morphology.
Medical subject headings
- Actins
- Chondrocytes
- Menisci, Tibial
Anatomy
- tibia