歧伯答曰：下焦者，别迴腸，注于膀胱，而滲入焉。故水榖者，常并居于胃中，成糟粕，而俱下于大腸，而成下焦，滲而俱下，濟泌别注，循下焦而滲入膀胱焉。
歧伯答曰：下焦者，别回肠，注于膀胱，而渗入焉。故水榖者，常并居于胃中，成糟粕，而俱下于大肠，而成下焦，渗而俱下，济泌别注，循下焦而渗入膀胱焉。
Qí Bó dá yuē: xià jiāo zhě, bié huí cháng, zhù yú páng guāng, ér shèn rù yān. gù shuǐ gǔ zhě, cháng bìng jū yú wèi zhōng, chéng zāo pò, ér jù xià yú dà cháng, ér chéng xià jiāo, shèn ér jù xià, jǐ mì bié zhù, xún xià jiāo ér shèn rù páng guāng yān.
Qi Bo replied: The lower burner separates from the coiled intestine and pours into the bladder, seeping into it. Thus grain and water constantly lie together in the stomach, become dregs, and descend together into the large intestine, where the lower burner is formed; the seeping part descends by a separate course and filters into the bladder.
「下焦」本篇6見。此段言其別迴腸、滲膀胱，篇末「下焦如瀆」為之定象。
伯高曰：臣請言其故。胃大一尺五寸，徑五寸，長二尺六寸，横屈受水榖三斗五升，其中之榖，常留二斗，水一斗五升而滿。上焦泄氣，出其精微，慓悍滑疾。下焦下漑諸腸。
伯高曰：臣请言其故。胃大一尺五寸，径五寸，长二尺六寸，横屈受水榖三斗五升，其中之榖，常留二斗，水一斗五升而满。上焦泄气，出其精微，慓悍滑疾。下焦下漑诸肠。
Bó Gāo yuē: chén qǐng yán qí gù. wèi dà yī chǐ wǔ cùn, jìng wǔ cùn, cháng èr chǐ liù cùn, héng qū shòu shuǐ gǔ sān dǒu wǔ shēng, qí zhōng zhī gǔ, cháng liú èr dǒu, shuǐ yī dǒu wǔ shēng ér mǎn. shàng jiāo xiè qì, chū qí jīng wēi, piào hàn huá jí. xià jiāo xià gài zhū cháng.
Bo Gao said: Let me state the reason. The stomach is one chi and five cun in girth, five cun across and two chi and six cun long; bent crosswise, it receives three dou and five sheng of water and grain, of which two dou of grain are always retained, and it is full with a dou and five sheng of water. The upper jiao disperses qi and sends out its essence, swift and fierce and slippery and rapid. The lower jiao irrigates the intestines below.
「下焦」平人絶榖第2段見，義與本條相合，引全段為證。
陰陽氣道不通，四海閉塞，三焦不寫，津液不化，水榖并行腸胃之中，别于迴腸，留于下焦，不得滲膀胱，則下焦脹，水溢則爲水脹。此津液五别之逆順也。
阴阳气道不通，四海闭塞，三焦不写，津液不化，水榖并行肠胃之中，别于回肠，留于下焦，不得渗膀胱，则下焦胀，水溢则为水胀。此津液五别之逆顺也。
yīn yáng qì dào bù tōng, sì hǎi bì sāi, sān jiāo bù xiè, jīn yè bù huà, shuǐ gǔ bìng xíng cháng wèi zhī zhōng, bié yú huí cháng, liú yú xià jiāo, bù dé shèn páng guāng, zé xià jiāo zhàng, shuǐ yì zé wéi shuǐ zhàng. cǐ jīn yè wǔ bié zhī nì shùn yě.
When the qi pathways of yin and yang are blocked, the four seas are stopped, the triple burner does not drain, and the fluids are not transformed, then water and grain move together through the stomach and intestines and divide at the large intestine; what stays in the lower burner cannot seep into the bladder, the lower burner swells, and the water overflowing becomes water distension. Such is the following and opposing of the five divisions of fluid.
「下焦」五癃津液别第6段見，義與本條相合，引全段為證。
五藏氣：心主噫，肺主欬，肝主語，脾主吞，腎主欠。六府氣，膽爲怒，胃爲氣逆噦，大腸小腸爲泄，膀胱不約爲遺溺，下焦溢爲水。
五藏气：心主噫，肺主欬，肝主语，脾主吞，肾主欠。六府气，胆为怒，胃为气逆哕，大肠小肠为泄，膀胱不约为遗溺，下焦溢为水。
wǔ cáng qì: xīn zhǔ yī, fèi zhǔ kài, gān zhǔ yǔ, pí zhǔ tūn, shèn zhǔ qiàn. liù fǔ qì, dǎn wéi nù, wèi wéi qì nì yuě, dà cháng xiǎo cháng wéi xiè, páng guāng bù yuē wéi yí niào, xià jiāo yì wéi shuǐ.
The qi of the five viscera: the heart governs sighing, the lung coughing, the liver speaking, the spleen swallowing, the kidney yawning. The qi of the six bowels: the gallbladder makes anger, the stomach rebellious qi and retching, the large and small intestine diarrhoea, the bladder’s failure to restrain makes bed-wetting, the lower burner’s overflow makes water.
「下焦」九鍼論第19段見，義與本條相合，引全段為證。