Definition
noun
A flat muscle with fascicles arranged obliquely to the central tendon.
Supplement
Penniform muscles, especially the bipennate muscles, resemble a feather. These muscles can produce very powerful actions. They allow better stabilization but less flexibility. They also tire easily.
Examples of penniform muscles are extensor digitorum longum, rectus femoris, and deltoid muscle.
Synonym: pennate muscle
Compare: fusiform muscle
Dictionary > Penniform muscle
You will also like...
Darwin and Natural Selection
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
Roots
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Adaptation Tutorial
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Biosecurity and Biocontrol
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
Gene Regulation in Eukaryotes
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
Biological Cell Introduction
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..