Index to the 1850, 1860, 1870, 1880, and 1900 U.S. Censuses of Portage County, Wisconsin. About the Portage County Census Index. Please read the introductions that are provided for each individual census index. The indexer has taken great pains to explain various factors that took place during each decade, which may affect your search, such as changes in Portage County political boundaries.
Extrinsic muscles. Definition. noun. A group of muscles lying superficially on a structure, in contrast to intrinsic muscles, which are located deeply. Supplement.For instance, the extrinsic muscles of the tongue include genioglossus muscle, hyoglossus muscle, styloglossus muscle, and palatoglossus muscle.Since they are extrinsic muscles, they are located on the surface of the tongue, and attach the tongue to other structures.xtrinsic muscles. Definition. noun. A group of muscles lying superficially on a structure, in contrast to intrinsic muscles, which are located deeply. Supplement.
Read more. These are different to the intrinsic muscles of the back which are deep, and which are responsible for controlling posture and movement of the spine and head. The extrinsic muscles of the back are the trapezius, the latissimus dorsi, the rhomboid major and minor, and the levator scapulae.hese are different to the intrinsic muscles of the back which are deep, and which are responsible for controlling posture and movement of the spine and head. The extrinsic muscles of the back are the trapezius, the latissimus dorsi, the rhomboid major and minor, and the levator scapulae.