Concha Haliotidis

 

Source
The shell of Haliotis diversicolor Reeve, H gigantea discus Reeve and H ovina Chemnitz, family Haliotidae.

Characteristics
A spiral single shell, outer surface elliptical, inner surface auriculate, 3-9 cm long, 2-5 cm broad, 2-3 cm high or more. Dorsal side slightly protruding, coarse, grey-brown; umbo deviated to one side, slightly protruding, with dextrorotatory stflae and growth lines; a row of respiratory pores arranged from the umbo downwards along the right margin of the shell, about 30 in number, the last 4-9 of which open at the same level of the outer surface. The ventral side is a broad shell opening. Inner surface shining like pearls. Prepared as white powder. Salty in taste, mild in nature, and attributive to liver channel.

Indication
1. Calm the liver, benefit yin and suppress the sthenic yang: for sthenia of liver-yang or deficiency of yin leading to hyperactivity of yang manifested as dizziness, headache, tinnitus, irritability and insomnia.
2. Clear away liver-fire to improve visual acuity: For conjunctivitis of liver-heat type, used together with Spica Phineline and Semen Cassiae; for night blindness, used together with Rhizoma Atractylodis; for blurring of vision due to liver-deficiency, used together with Fructus Lycii and Semen Cuscutae; for nebula, ointment should be applied topically.
3. Antacid and analgesic: For stomachache and regurgitation.

Pharmacological Action
1. Improves eyesight.
2. Haemostatic.

Administration Decoction: 15-30g, crushed and decocted first. Powder: 2-3g bid or tid.
External use: Appropriate amount.


   

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Mr. Wang Tao

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