Dictionary > Intrinsic muscles

Intrinsic muscles

Definition
noun
A group of muscles located within or situated deeper in a structure, in contrast to extrinsic muscles located rather superficially
Supplement
Based on the above definition, the intrinsic muscles refer to the muscles closest to the axial and appendicular skeleton. For example, the intrinsic muscles of the hand are those lying deeper in the hand, such as the interossei and lumbrical muscles.
In another view, the intrinsic muscles of the tongue pertain to the muscles within the tongue with their insertions and origins within the tongue as well. Intrinsic muscles of the tongue include the superior longitudinal muscle, the inferior longitudinal muscle, the transverse muscle, and the veticalis muscle.
Compare:


You will also like...

Hormone Production
Hormone Production

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

Pollution in Freshwater Ecosystems
Pollution in Freshwater Ecosystems

There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..

Neural Control Mechanisms
Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Salmon jumping upstream in the river
Lotic Communities & Animals

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

Hominid
The Hominids

The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..

Plant meristem
Plant Meristems and Growth

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..