The long cylindrical contractile organelles of STRIATED MUSCLE cells composed of ACTIN FILAMENTS; MYOSIN filaments; and other proteins organized in arrays of repeating units called SARCOMERES .
Myofilaments,Myofibril,Myofilament
D002648
Child
A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL.
Children
D005260
Female
Females
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man