Plastrum Testudinis

 

Source
The plastron of Chinemys reevesil (Gray), family Testudinidae.

Characteristics
The plastron nearly elliptical, 8-15 cm long, 5-8 cm broad, outer surface yellowish, with purple striae; ventral surface with 12 abdominal plates, and winged costal plates on both sides; truncate at the anterior end and with a triangular gap at the posterior. Hard in texture. Sour and sweet in taste, slightly cold in nature, and attributive to kidney and liver channels.

Indication
1. Nourish yin and suppress the sthenic yang: For yin-deficiency with fire hyperactivity manifested as hectic fever, night sweat, noctumal emission, dizziness and tinnitus, yin-deficiency with wind hyperactivity manifested as convulsion.
2. Benefit kidney and invigorate bone: For hypofunction of liver and kidney manifested as flaccidity of the waist and lower limbs, weakness of the tendons and bones, delayed ability of standing and walking, delayed growth of teeth and delayed closure of fontanel in infants.
3. Regulate menstruation and relieve metrorrhagia: For yin-deficiency with blood-heat manifested as metrorrhagia, menorrhagia and leucorrhagia.

Pharmacologic Action
1. Its decoction causes uterine contraction of rats in vitro.
2. Inhibiting the growth of Bacillus tuberculosis horn mis in vitro.

Administration Decoction: 10-30g (decocted first).


   

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