形如未开莲蕊，中有七孔三毛。位居背脊第五椎。各脏皆有系附于心。
属火，旺于夏四、五月，色主赤。苦味入心。外通窍于舌。出汁液为汗。在七情主忧乐，在身主
血与脉。所藏者神，所恶者热。
面色赤者，心热也。好食苦者，心不足也，怔忡善忘者，心虚也。
心有病，舌焦苦、喉干、不知五味，无故烦躁，口生疮、作臭，手心足心热。
形如悬瓠，有七叶，左三右四。位居背脊第九椎，乃背中间脊骨第九节也。
属木，旺于春正、二月，色主青，酸味入肝。外通窍于目。出汁液为泪。在七情主怒，在身主筋与
爪。所统者血，所藏者魂，所恶者风。
肝有病，眼生蒙翳，两眼角赤痒，流冷泪，眼下青，转筋，昏睡，善恐，如人将捕之。
面色青者，肝盛也。好食酸者，肝不足也。多怯者，肝虚也。多怒者，肝实也。
形如镰刀。附于胃。运动磨消胃内之水谷。
属土，旺于四季月，色主黄。甘味入脾。外通窍于口。出汁液为涎。在七情主思虑，在身主肌肉。
所藏者志，所恶者湿。
面色黄者，脾弱也。好食甜者，脾不足也。
脾有病，口淡，不思食，多涎，肌肉消瘦。
形如悬磬，六叶两耳，共八叶。上有气管通至喉间。位居极上，附背脊第三椎，为五脏之华盖。
属金，旺于秋七、八月，色主白。辛味入肺。外通窍于鼻。出汁液为涕。在七情主喜，在身主皮
毛。所统者气，所藏者魄，所恶者寒。
面色淡白无血色者，肺枯也。右颊赤者，肺热也。气短者，肺虚也。背心畏寒者，肺有邪也。
肺有病，咳嗽气逆，鼻塞不知香臭，多流清涕，皮肤燥痒。
The heart resembles an unopened lotus bud, containing seven orifices and three hairs. It is located at the fifth thoracic vertebra of the spinal column. All viscera are attached to the heart via their respective ligaments or connections.
The Heart belongs to Fire, flourishing in the fourth and fifth months of summer. Its associated color is Red. The Bitter taste enters the Heart. Externally, it opens into the tongue. Its secreted fluid manifests as sweat. In the Seven Emotions, it governs worry and joy. In the body, it governs Blood and vessels. What it stores is Shen (Spirit), and what it dislikes is Heat.
A red complexion indicates Heart Heat. A preference for bitter foods suggests Heart deficiency. Palpitations and forgetfulness indicate Heart Qi deficiency.
When the Heart is diseased, symptoms include a scorched and bitter tongue, dry throat, loss of taste, inexplicable irritability, mouth ulcers with foul odor, and heat in the palms and soles.
The liver resembles a hanging gourd, with seven lobes: three on the left and four on the right. It is located at the ninth thoracic vertebra of the spinal column, specifically the ninth segment of the midline spine.
The Liver belongs to Wood, flourishing in the first and second months of spring. Its associated color is Green/Cyan. The Sour taste enters the Liver. Externally, it opens into the eyes. Its secreted fluid manifests as tears. In the Seven Emotions, it governs anger. In the body, it governs sinews and nails. It controls Blood, stores Hun (Ethereal Soul), and dislikes Wind.
When the Liver is diseased, symptoms include visual obscurations (cataracts/epiphora), redness and itching at the corners of the eyes, cold tearing, bluish discoloration under the eyes, muscle spasms/twitching, drowsiness, excessive fear, and a sensation as if being pursued by someone.
A green/cyan complexion indicates Liver excess (hyperactivity). A preference for sour foods suggests Liver deficiency. Timidity indicates Liver deficiency. Irritability indicates Liver excess.
The spleen resembles a sickle. It adheres to the Stomach. Its movement grinds and digests the food and fluids within the stomach.
The Spleen belongs to Earth, flourishing in the last month of each season. Its associated color is Yellow. The Sweet taste enters the Spleen. Externally, it opens into the mouth. Its secreted fluid manifests as saliva. In the Seven Emotions, it governs overthinking/pensiveness. In the body, it governs muscles. What it stores is Zhi (Willpower), and what it dislikes is Dampness.
A yellow complexion indicates Spleen weakness. A preference for sweet foods suggests Spleen deficiency.
When the Spleen is diseased, symptoms include a bland taste in the mouth, anorexia/lack of appetite, excessive salivation, and muscle emaciation.
The lungs resemble a hanging chime stone, with six lobes and two auricles, totaling eight lobes. There is a trachea connecting from above to the throat. The Lungs are located at the highest position, adhering to the third thoracic vertebra of the spinal column, serving as the "Canopy" (Huagai) of the five viscera.
The Lung belongs to Metal, flourishing in the seventh and eighth months of autumn. Its associated color is White. The Pungent/Acrid taste enters the Lung. Externally, it opens into the nose. Its secreted fluid manifests as nasal mucus. In the Seven Emotions, it governs joy. In the body, it governs skin and body hair. It controls Qi, stores Po (Corporeal Soul), and dislikes Cold.
A pale white complexion lacking luster indicates Lung exhaustion/dryness. Redness on the right cheek indicates Lung Heat. Shortness of breath indicates Lung deficiency. Chills in the back region indicate pathogenic invasion of the Lung.
When the Lungs are diseased, symptoms include cough, rebellious Qi (asthma/wheezing), nasal congestion with loss of smell, frequent clear nasal discharge, and dry, itchy skin.