Of or pertaining to both fibrous and muscular tissue(adjective)
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Use "fibromuscular" in a sentence
"A few months later, the patient read about a disease called fibromuscular dysplasia FMD, an unusual disorder in which the walls of arteries narrow and limit blood flow to essential organs - usually the kidneys or brain."
"So can diseases such as FMD, or fibromuscular dysplasia, and Marfan syndrome, which cause a range of problems throughout the body."
"The odd growth of the artery wall suggested the presence of a disease called FMD, or fibromuscular dysplasia, the examiner concluded."