meridian


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meridian

 [mĕ-rid´e-an]
an imaginary line on the surface of a globe or sphere, connecting the opposite ends of its axis. adj., adj merid´ional.

me·rid·i·an

(mĕ-rid'ē-an),
1. A line encircling a globular body at right angles to its equator and touching both poles, or the half of such a circle extending from pole to pole. Synonym(s): meridianus [TA]
2. In acupuncture, the lines connecting different anatomic sites.
[L. meridianus, pertaining to midday, on the south side, southern]

meridian

/me·rid·i·an/ (mĕ-rid´e-an)
1. an imaginary line on the surface of a spherical body, marking the intersection with the surface of a plane passing through its axis.
Enlarge picture
Meridians of eyeball.
2. in acupuncture, a system of 20 lines connecting acupoints and regarded as channels through which qi flows.

meridian

Chinese medicine
Any of 12 channels that are believed to extend over the length of the body and believed to carry chi (vital energy) through the body; the meridian concept is central to acupuncture and other forms of oriental medicine. Mainstream Western medicine has been frustrated by its inability to verify the presence of meridians; data suggest that the “trigger points” (which, when stimulated, ameliorate pain elsewhere in the body) identified by neurologists may be identical to acupuncture points.

me·rid·i·an

(mĕr-id'ē-an)
1. A line encircling a globular body at right angles to its equator and touching both poles, or the half of such a circle extending from pole to pole.
2. acupuncture The lines connecting different anatomic sites.

meridian

(mĕ-rĭd′ē-ăn) [L. meridianus, pert. to noon]
1. An imaginary line encircling a globe at right angles to its equator and passing through the poles, or half of such a line.
Enlarge picture
QI MERIDIANS
2. In complementary medicine, traditional Chinese medicine, and acupuncture, any of several pathways believed to conduct energy between the surface of the body and the internal organs. Blockage along these pathways is believed to disrupt energy flow (chi or qi) and to cause imbalances that are reflected in symptoms or disease. Meridians and the energy flows they are thought to direct have eluded identification by western scientific methods. See: illustration
3. In visual field testing, a line that denotes an equal level of visual registration. meridional, adjective

meridian of eye

A circle passing through anterior and posterior poles of the eyeball.

Meridian

A section of a sphere. For example, longitude or latitude on the globe. Or, on a clock, a section going through 12:00-6:00 or 3:00-9:00, etc.

me·rid·i·an

(mĕr-id'ē-an)
Line encircling a globular body at right angles to its equator and touching both poles, or the half of such a circle extending from pole to pole.

meridian

1. an imaginary line on the surface of a globe or sphere, connecting the opposite ends of its axis.
2. in Western acupuncture includes the system of channels and their collaterals which are thought to connect all body parts and most acupuncture points are located on them. There are 12 bilaterally distributed meridians—lung meridian of the hand (Tai Yin), heart m. of the hand (Shao Yin), pericardium m. of the hand (Jue Yin), large intestine m. of the hand (Yang Ming), small intestine m. of the hand (Tai Yang), triple heater m. of the hand (Shao Yang), stomach m. of the foot (Yang Ming), urinary bladder m. of the foot (Tia Yang), gallbladder m. of the foot (Shao Yang), spleen m. of the foot (Tao Yin), kidney m. of the foot (Shao Yin), liver m. of the foot (Jue Yin).

meridian points
acupuncture points located on one of the meridians.
meridian theory
traditional Chinese medicine is based on the theory that all body parts are connected by a network of main and collateral channels along which are situated the bulk of the acupuncture points; there are also some meridians, the dorsally located Governing Vessel and the ventrally located Conception Vessel, which are not connected to specific anatomical organs.
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