Aponeurosis
Gray's	subject #104 376

Aponeuroses (plural of aponeurosis: απο, "away" or "of", and νευρον, "sinew") are layers of flat broad tendons. 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.

Their primary function is to join muscles and the body parts the muscles act upon.^[1]

Contents 1 Anterior abdominal aponeuroses 2 Posterior lumbar aponeuroses 3 Palmar aponeuroses 4 Scalp aponeuroses 5 See also 6 References 7 References 8 External links

[edit] Anterior abdominal aponeuroses

The anterior 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.

[edit] Posterior lumbar aponeuroses

The Posterior lumbar aponeuroses are situated just on top of the epaxial muscles of the thorax, which are multifidus spinae and Sacrospinalis.

[edit] Palmar aponeuroses

The palmar aponeuroses occur on the palms of the hands.

[edit] 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.

[edit] 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

[edit] References

• This article incorporates text from the Encyclopædia Britannica, Eleventh Edition, a publication now in the public domain.

[edit] References

[edit] External links

• Gray's s104 - Aponeuroses
• Aponeurosis at eMedicine Dictionary

v • d • e Histology: connective tissue Classification Proper/ Fibrous Loose Areolar · Reticular non-fibrous: Adipose (Brown, White) Dense Dense irregular connective tissue (Submucosa, Dermis) · Dense regular connective tissue (Ligament, Tendon, Aponeurosis) Embryonic Mucous · Mesenchymal Specialized Cartilage · Bone · Blood Composition Extracellular matrix (noncellular) Ground substance Tissue fluid Fibers Reticular fibers: Collagen Elastic fibers: Fibrillin (FBN1, FBN2, FBN3) Cells Resident Fibroblast · Reticular cell · Tendon cell Adipocyte Chondroblast · Osteoblast Wandering cell Mast cell · Macrophage see also soft tissue integument, SF, LCT navs: anat/physio, noncongen/congen/neoplasia, symptoms+signs/eponymous, proc muscle, DF+DRCT navs: anat/hist/physio, acquired myopathy/congenital myopathy/neoplasia, symptoms+signs/eponymous, proc

v • d • e Muscular system (TA A04.0, GA 4.361) Topics Muscular tissue · Muscles of the human body Types of muscles Cardiac muscle · Skeletal muscle · Smooth muscle Other Unipennate muscle · Bipennate muscle · Origin · Insertion · Fascia (Superficial fascia, Deep fascia, Visceral fascia) · Tendon/Aponeurosis · Fascial compartment muscle, DF+DRCT navs: anat/hist/physio, acquired myopathy/congenital myopathy/neoplasia, symptoms+signs/eponymous, proc