（《本经》下品）
【校正】并入《拾遗》齐蛤。
【释名】马蛤（《别录》）、齐蛤（《吴普》）
出《周礼》）、 KT （音亭 ）、单姥（音善
时珍曰∶俗称大
也。《说文
刀即齐蛤，而唐、宋本草失收，陈藏器重出齐蛤，今并为一。
【集解】《别录》曰∶马刀生江湖池泽及东海。取无时。
弘景曰∶李当之言∶生江汉，长六七寸，食其肉似蚌。今人多不识，大抵似今 KT
而未见方用。
韩保升曰∶生江湖中细长小蚌也。长三四寸，阔五六分。
颂曰∶今处处有之，多在沙泥中。头小锐。人亦谓之蚌。
藏器曰∶齐蛤生海中。状如蛤，两头尖小。海人食之，别无功用。
时珍曰∶马刀似蚌而小，形狭而长。其类甚多，长短大小，浓薄斜正，虽有不同，而性
味功用，大抵则一。
（炼粉用）
【气味】辛，微寒，有毒。得水，烂人肠。又云∶得水良。
恭曰∶得火良。
时珍曰∶按∶吴普云∶神农、岐伯、桐君∶咸，有毒。扁鹊∶小寒，大毒。
藏器曰∶远志、蜡，皆畏齐蛤。
【主治】妇人漏下赤白，寒热，破石淋。杀禽兽，贼鼠（《本经》）。
中鼠鼷，止烦满，补中，去厥痹，利机关（《别录》）。
肉
同蚌。
（音
【释名】生 （《嘉 》）
【集解】藏器曰∶
颂曰∶似蛤而长，身扁。
宗 曰∶顺安军界河中亦有之。与马刀相似。肉颇冷，人以作 食，不堪致远。
壳
【主治】烧末服，治痔病（藏器）。
肉
宗 曰∶多食发风。
(Recorded in the Lower Grade of *Shennong Bencao Jing*)
[Correction] This entry is merged with "Qige" (Clam) from the *Supplement* section of *Xinxiu Bencao*.
[Names] Mage (from *Mingyi Bielu*), Qige (from *Wu Pu Bencao*).
Mentioned in *Zhou Li* as "KT" (pronounced 'ting'), and "Danmu" (pronounced 'shan', meaning large clam).
Li Shizhen states: Commonly known as large clam. The *Shuowen Jiezi* records that "Madao" is Qige, but it was omitted in Tang and Song dynasty materia medica. Chen Cangqi listed Qige again; now they are combined into one entry.
[Collection & Explanation] *Mingyi Bielu* states: Madao grows in rivers, lakes, ponds, marshes, and the East Sea. It can be harvested at any time.
Tao Hongjing states: According to Li Dangzhi: It grows in the Jianghan region, measuring six or seven cun in length. Its meat resembles that of a clam. Most people today do not recognize it; it generally resembles the current "KT," though it is rarely used.
Han Baosheng states: It is a slender, small clam living in rivers and lakes. It measures three to four cun in length and five to six fen in width.
Su Song states: It is found everywhere nowadays, mostly buried in sand and mud. The head is small and sharp. People also call it a clam (bang).
Chen Cangqi states: Qige grows in the sea. It resembles a clam with pointed ends. Seafarers eat it, but it has no other medicinal efficacy.
Li Shizhen states: Madao resembles a clam but is smaller, with a narrow and elongated shape. There are many varieties; although they differ in length, size, thickness, and orientation, their nature, flavor, and efficacy are largely the same.
(To be processed into powder for use)
[Nature & Flavor] Pungent, slightly cold, toxic. Contact with water causes intestinal rot. Another view holds that contact with water enhances its efficacy.
Meng Shen states: Fire processing enhances its efficacy.
Li Shizhen states: According to Wu Pu: Shennong, Qibo, and Tongjun considered it salty and toxic. Bian Que considered it slightly cold and highly toxic.
Chen Cangqi states: Yuanzhi (Radix Polygalae) and wax both fear Qige.
[Indications] Treats leukorrhea (red and white discharge) in women, alternating chills and fever, and breaks down stone strangury. Kills poultry/beasts and thieves/rats (*Shennong Bencao Jing*).
Meat: Treats rat bites, relieves restlessness and fullness, tonifies the Middle Jiao, removes jue-bi syndrome, and benefits the joints (*Mingyi Bielu*).
Efficacy is the same as that of Clam (Bang).
(Pronounced "...")
[Names] Sheng... (from *Jiayou Bencao*)
[Collection & Explanation] Chen Cangqi states: ...
Su Song states: Resembles a clam but is longer, with a flat body.
Kou Zongshi states: It is also found in rivers within the jurisdiction of Shun'an Jun. It resembles Madao. The meat is quite cold; people use it for food, but it is not suitable for long-distance transport.
Shell
[Indications] Burned to ash and taken orally to treat hemorrhoids (Chen Cangqi).
Meat
Kou Zongshi states: Excessive consumption induces wind disorders.