Gray's Anatomy states that "Aponeuroses are flattened or ribbon-shaped tendons, of a pearly white color, iridescent, glistening, and similar in structure to the tendons. They are only sparingly supplied with bloodvessels."
The Palmar Aponeuroses occur on the palms of the hands, and are referred to in the Patrick-O'Brian Aubrey-Maturin series of books
External link
Bartleby's online 1901 Grays Anatomy Article on Aponeuroses (http://www.bartleby.com/107/104.html)
The aponeurosis of the internal oblique muscle divides into anterior and posterior layers, which pass, respectively, in front of and behind the rectus muscle to reach the linea alba.
The anterior sheath is comprised of the aponeurosis of the external oblique and an anterior layer of the aponeurosis of internal oblique; the posterior sheath of the posterior layer of the internal oblique and the aponeurosis of the transversus abdominis muscle.
Each abdominal aponeurosis is said to be bilaminar, and the six layers of each side are oblique and cross the median plane in a common area of decussation, namely the linea alba.
The palmar aponeurosis is a strong, triangular membrane overlying the tendons in the palm (fig.
The aponeurosis continues distally as four slips (pretendinous bands), which overlie the flexor tendons of the medial four fingers.
The central compartment is bounded (1) on the anterior side by the deep aspect of the palmar aponeurosis, (2) on the posterior aspect by a fat pad on the interosseous fascia and by the fascia anterior to the adductor pollicis muscle, and (3) on the sides by the fascia covering the thenar and hypothenar muscles.
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