(Tang materia medica)
[synonyms] Ma Ke, Ma Ke Luo (Xu Biao's records of foreign bodies),? (Tongdian), Ma Lu Bei (zoology Dictionary).
[source] it is the shell of clam, Mactra concha.
[animal morphology] Mactra concha
The shell is 2 pieces, thick, long oval, about 40-58mm long, about 3 / 4 of the length in height and 1 / 2 of the length in width. The left and right lights are equal. The top of the shell is smooth, located in the middle of the dorsal margin, slightly forward, higher than the dorsal margin. From the top of the shell, the front and back edges are semicircular, and the meniscus and? Surface are very wide and heart-shaped. There are obvious growth lines on the shell surface, forming concentric concave lines in the middle and above the abdominal margin. The top of the shell is slightly blue and the ventral surface is yellowish brown. The color of the shell varies from the ventral surface to the ventral surface. The inner surface of the shell is yellowish white, the main teeth and lateral teeth of the hinge are flaky, there are strong internal ligaments behind the main teeth, the coat mark is thick and obvious, the coat sinus is deep and blunt; the posterior adductor muscle mark is slightly larger, nearly circular, and the anterior adductor muscle mark is small, peach shaped. The outer layer is smooth. The foot is large and the end is rhombic in cross section. The aqueduct is short, healed, with small tentacles at the end.
They live in the shallow sea. It is distributed in the Yellow Sea and Bohai Sea.
[collection] generally in winter and spring.
[nature and taste] Tang materia medica: "it tastes salty, flat and nontoxic. "
[functions and indications] 1. Bielu: "it is used to remove the Yimo and tendon pterygium, and to scrape it. "
② Tang materia medica: "the main eye in the Yi, cut off blood and muscle. "
[usage and dosage] external use: eye drops at the end of research.
[selected formula] for the treatment of eye pain, it causes skin opacity, hyperopia, itching and astringency: three points for Marco, half for borneol, and one point for alum ash. The same research as powder. Each with copper sheath take such as rice, point it. (Sheng Hui Fang)
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