Concha Meretricis seu Cyclinae (Gejie) — gecko
Origin
Tokay is the dried body of Gekko gecko Linnaeus. The drug is captured all the year round; remove from the viscera, wiped, opened with bamboo piece to make the whole body flattened and straight, and dried at a low temperature.
Description and Identification
Flattened slice in shape, head, neck and trunk 9 ~ 18cm long. Head and neck about one third as long as snout-vent; the dorsum and abdomen 6 ~ 11cm wide; tail 6 ~ 12cm long. The head somewhat flat triangualr.two eyes sunken deeply,forming holes. Tiny teeth present in the mouth,located at the margin of the jaw,heteromorphic large tooth lacking. The snout semirounded at tip,rostral not con-tactin nostril,but in contact with nasal; lsupranasal at each side, 12 to 14 pairs of upper labials,21 lower labials mental included. The trunk elliptic,the abdomen thin,the dorsum greyish-green spots scattered or concentrated to indistinct patterns. The vertebrae and ribs of both sides projecting. Four limbs all having 5 digits,bearing scansors at the base, and trace of web between the digits. Tail narrow and stong,the caudal vertebrae barely visible. Grund colour of the tail similar to that of the dorsum, with 6 ~ 7 distinct silver-grey circular band. Whole body densely covered with rounded or polygonal, somewhat lustrous,tiny scales. Odour,stinking; taste, slightly salty.
Chemical Ingredients
carnosine, choline, carnitine, guanine, protein, cholesterol, some kinds amino acid and phospholipid , etc.
Property and Channel Tropism
Property: salty in taste, neutral in nature. Channel tropism: lung,kidney.
var. mongholicus (Bge.) Hsiao or Astragalus membranaceus (Fish.) Bge. The drug is collected in psring and autumn, removed from rootlet and root stock, dried in the sun.
