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Aponeuroses (plural of aponeurosis: απο, "away" or "of", and νευρον, "sinew") are layers of flat connective tissue (fascia) separating muscles from each other. They have a shiny, whitish-silvery color, and are histologically similar to tendons, but are very sparingly supplied with blood vessels and nerves. When dissected, aponeuroses are papery, and peel off by sections. The primary regions with thick aponeurosis is in the ventral abdominal region, the dorsal lumbar region, and in the palmar region.
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Ventral abdominal aponeuroses
The ventral abdominal aponeuroses are located just on top of the rectus abdominis muscle. It has for its borders the external oblique, pectoralis muscles, and the latissimus dorsi.
Dorsal lumbar aponeuroses
The dorsal lumbar aponeuroses are situated just on top of the epaxial muscles of the thorax, which are multifidus spinae and Sacrospinalis.
Palmar aponeuroses
The palmar aponeuroses occur on the palms of the hands, and are referred to in the Patrick O'Brian Aubrey–Maturin series of books.
Scalp aponeuroses
The aponeurosis (or galea aponeurotica) is a tough layer of dense fibrous tissue which runs from the frontalis muscle anteriorly to the occipitalis posteriorly.
See also
- Aponeurosis of the Obliquus externus abdominis
- Aponeurosis of the Serratus posterior superior muscle
- Plantar aponeurosis
- Inguinal aponeurotic falx
- Bicipital aponeurosis
- Palatine aponeurosis
- Fascia
References
- This article incorporates text from the Encyclopædia Britannica Eleventh Edition, a publication now in the public domain.
External links
- Gray's s104 - Aponeuroses
- Aponeurosis at eMedicine Dictionary
Wikipedia content modification information:
- This page was last modified on 28 June 2008, at 03:57.
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