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《内经》曰∶脾胃者，仓廪之官，五味出焉。又曰∶中央黄色，入通于脾，开窍于口，藏精
于脾，故病在舌本。其味甘，其类土，其畜牛，其谷稷，其应四时，上为镇星，是以知病之在肉
也。其音宫，其数五，其臭香，其液涎，其色黄。中央生湿，湿生土，土生甘，甘生脾，脾生肉。
其在天为湿，在地为土，在身为肉，在脏为脾，在声为咳，在变动为哕，在窍为口，在味为甘，
在志为思，思伤脾，怒胜思，湿伤肉，风胜湿，甘伤肉，酸胜甘。
脾者仓廪之本，荣之居也。其华在唇四白，其充在肌。此至阴之类，通于土气，孤藏以灌四
旁。脾主四肢，为胃行其津液。
足太阴脾脉起于大指之端，循指内侧白肉际，过核骨后，上内踝前廉，上 内，循 骨后，
交出厥阴之前，上循膝股内前廉，入腹，属脾络胃，上膈，挟咽，连舌本，散舌下。其支别者，
复从胃别上膈，注心中。凡二十一穴，左右共四十二穴。
隐白 在足大指端内侧，去爪甲角如韭叶，脾脉所出为井木。针一分，灸三壮。
【主治】腹胀喘满不得卧，呕吐食不下，胸中热，暴泄衄血，尸厥不识人，妇人月事过时不
止，小儿客忤惊风。
大都 足大指本节后内侧陷中，骨缝赤白肉际。脾脉所溜为荥火。针三分，灸三壮。
[Diagram of the Spleen]
The *Huangdi Neijing* (Yellow Emperor's Inner Canon) states: The spleen and stomach are the officials in charge of granaries, from which the five flavors emerge. It also states: The central direction corresponds to yellow, internally connecting with the Pi (Spleen), opening into the mouth, storing essence in the Pi, therefore diseases manifest at the root of the tongue. Its flavor is sweet, its category is Earth, its animal is the ox, its grain is Ji (Setaria italica), it corresponds to the four seasons, and above corresponds to Zhenxing (Saturn); thus one knows that disease lies in the flesh. Its sound is Gong (Palace), its number is five, its odor is fragrant, its fluid is saliva, its color is yellow.
Central generates dampness; dampness generates Earth; Earth generates sweetness; sweetness generates Pi (Spleen); Pi generates flesh. In heaven it is dampness, on earth it is Earth, in the body it is flesh, in the zang organs it is Pi, in vocalization it is cough, in movement it is hiccups (Yue), in orifices it is the mouth, in flavor it is sweet, in emotion it is overthinking (Si). Overthinking injures the Pi; anger overcomes overthinking. Dampness injures flesh; wind overcomes dampness. Sweetness injures flesh; sourness overcomes sweetness.
The Pi is the root of the granary and the residence of Ying Qi (Nutritive Qi). Its luster manifests in the white skin around the lips, and its nourishment fills the muscles. This belongs to the category of extreme Yin, communicating with Earth Qi, acting as an isolated organ to irrigate the four directions. The Pi governs the four limbs and transports fluids for the Wei Stomach.
The Foot-Taiyin Spleen Meridian originates at the tip of the great toe, follows the medial white flesh margin of the toe, passes behind the nuclear bone (first metatarsal base), ascends to the anterior edge of the medial malleolus, ascends along the medial aspect of the lower leg, follows posterior to the tibia, crosses anterior to the Foot-Jueyin Liver Meridian, ascends along the anterior edge of the medial knee and thigh, enters the abdomen, connects with the Pi and links with the Wei Stomach, ascends through the diaphragm, flanks the pharynx, connects with the root of the tongue, and scatters under the tongue. A branch separates from the stomach, ascends through the diaphragm, and pours into the Xin Heart. There are twenty-one acupoints in total, forty-two bilaterally.
Yinbai (SP1): Located on the medial side of the tip of the great toe, about the width of a leek leaf from the corner of the toenail. It is the Jing-Well point (Wood) where the Spleen meridian emerges. Needle 1 fen, moxa 3 cones.
【Indications】Abdominal distension, wheezing and fullness preventing lying down, vomiting, inability to eat, heat in the chest, sudden diarrhea, epistaxis, Shijue (coma/unconsciousness), women with prolonged menstrual bleeding, pediatric Ke Wu (fright due to strangers) and convulsions.
Dadu (SP2): Located in the depression medial to the proximal interphalangeal joint of the great toe, at the junction of red and white flesh within the bone gap. It is the Ying-Spring point (Fire) where the Spleen meridian flows. Needle 3 fen, moxa 3 cones.