Meretrix meretrix

Meretrix meretrix

(Ben Jing)

[synonyms] clam (MengXiBiTan), yellow clam (Modern Practical Chinese Medicine), round clam (collection of medicinal materials), and shell (records of Chinese Medicine).

[source] it is the shell of Meretrix meretrix.

[animal morphology] Meretrix meretrix

Shell 2 pieces, thick, back edge slightly triangular, abdomen edge slightly round. The shell is about 5-12 cm in length, 4 / 5 in height and 1 / 2 in width. The top of the shell is protruding, the apex is pointed, slightly curved to the ventral surface, and it is located in the middle of the back of the shell and slightly forward. The meniscus is long and narrow, spearhead shaped; the? Surface is wide and oval. The ligaments are dark brown, thick and short, protruding from the shell. The surface of the shell is swollen and smooth, covered with a yellow gray shell with luster like lacquer. From the top of the shell, there are many annular brown bands. The top has dentate or wavy brown pattern. The shell is often worn off, making the shell surface white. The inner surface of the shell is white, and the front and rear edges are sometimes slightly purple. The hinge is wide. The right shell has three main teeth and two front teeth, the two front teeth are short and high, arranged in a herringbone; the back teeth are strong and oblique; the left shell has three main teeth and one front tooth, the two front teeth are slightly triangular; the back teeth are long, parallel to the back edge of the shell, with longitudinal groove on the tooth surface and wavy transverse ridge in the groove; the front teeth are short and high. The coat is short and semicircular. The scar of anterior adductor is small and slightly semicircular, while the scar of posterior adductor is large and oval. Feet flat, tongue shaped.

Living in shallow sea sediment, they usually secrete colloidal bands or sacs to suspend their bodies in water and migrate by tidal current. It is distributed along the coast of China.

[collection] harvest from April to October, remove meat, wash and dry.

[medicinal materials] the shell is slightly triangular, protruding outwards, grayish white outside, with brown or silver gray ring lines near the top of the shell or covered with brown film, smooth and glossy. The inner surface is milky white or slightly purplish, smooth and glossy. The texture is hard and heavy, and the section is layered. There is no breath, and the taste is light. Smooth, yellow white, no dirt is better.

Produced in Guangdong, Shandong, Fujian, Jiangsu and other places.

This product and clam shells, medicinal materials known as clam shells.

[processing] Meretrix meretrix: wash, dry and grind. Calcined Meretrix meretrix: put the Meretrix meretrix on the non pyrotechnics, calcine it red, take it out, let it cool, and crush it.

① "Materia medica Huiyan": "boil with wine for a while, pound with heat. "

② "Ben Jing Feng Yuan": "use sour water or vinegar, boil for half a day, mash powder. "

[flavor] salty, flat.

① Bielu: "it tastes salty, flat and nontoxic. "

② "Ben Jing Feng Yuan": "salty, flat, slightly cold, non-toxic. "

[Guijing] ① annotation of treatise on Febrile Diseases: "walking the kidney. "

② "Changsha medicine solution" says: "start with Taiyin lung, foot Taiyang bladder meridian. "

Functions and indications: clearing away heat, removing dampness, resolving phlegm, softening and strengthening. It can treat thirst, fever, cough, chest obstruction, rash, phlegm, metrorrhagia, hemorrhoids and fistula.

① "Ben Jing": "the main evil sores erosion, five hemorrhoids. "

② Bielu: "cough against chest obstruction, lumbago, hypochondriac urgency, rat flaccidity, macroporus hemorrhage, collapse in leakage.". "

③ "Tang Ye Ben Cao": "can benefit water. Treat acute chancre erosion of the mouth and nose, burn ash wax pig fat and apply it. "

④ "Changsha medicine solution" says: "Qingjin Lishui, Jieke Chufan, Huatan Zhisou, Ruanjian Xiaopi. "

[usage and dosage] oral administration: decoction, 2-4 Qian, or powder. External use: grind and apply.

[taboo] in the book of Materia Medica, it is said that "the disease is due to pathogenic heat and phlegm stagnation, and it should not be used in the case of qi deficiency and cold. "

[formula selection] ① those who are thirsty and want to drink more than water: Meretrix meretrix. On Yiwei, pestle for powder, boiling soup five, kimono square inch dagger. (Wenge powder in Synopsis of the Golden Chamber)

② For the treatment of phlegm retention, cough and chest obstruction, there are one or two clams (burned, finely ground), one or two ginger Pinellia ternata, Danxing, Magnolia officinalis, chenguangpi, BAIJIEZI, yubaizhu and Zhishi (stir fried with bran). At the end of the study, every morning and evening each take a money, after eating white soup tune service. (Fang Mai Zheng Zong)

Chinese PinYin : Wen Ha