Atlas of Acupuncture

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1 Jing luo(Channel and Network Vessel System)

1.1.3 Distribution and Organisation of

the Channel and Network Vessel

(jing luo) System

According to the law of the Exterior–Interior (biao-li) the ‘Exterior’
communicates with the ‘Interior’.
Exterior (biao) corresponds to the skin, the muscles and the
pathways of the channel and network vessel superficial (jing
luo) system. The deeper pathways of the channels and the Organ
systems (zangfu) are attributed to the Interior (li). A particular
organisational structure within the jing luosystem is necessary
to safeguard the circulation of Qi and the communication
between the Exterior and the Interior. In this respect, the extra-
ordinary vessels play a special role. While they play a major role
in coordinating and regulating the primary channels and the jing
luosystem in general, they do not directly connect the Interior
and the Exterior. There is also no direct connection between the
extraordinary vessels and the zangfu-Organs (see ➞1.7 and
Chapter 5).

Depth organisation of the jing luosystem
Differing ideas exist regarding the depth at which the various
channels and vessels are located within the body. The table
below and Fig. 1.4 show the ideas according to Solinas et al.
(1998) and Deadman et al. (1998) in a modified way. While
these authors regard the deep, Interior pathways of the primary

and divergent channels as the deepest channel structures, other
authors attribute this role to the eight extraordinary vessels (for
the eight extraordinary vessels, see ➞1.7).

Overview over the possible location with regard to
depth of the jing luo system

Superficial
levels

Mid
levels

Deep
levels

Pi bu (cutaneous zones) xue luo
fu luo

xue luo
fu luo
sun luo

Yang primary channel
External pathway

Yin primary channel

Deep (internal) pathway
of the Yin primary channels

Deep (internal) pathway
of the Yang primary channels

he-confluence

sun luo
Yang sinew channels
Yin sinew channels

Longitudinal branch
of the yang luo mai

Longitudinal branch
of the yin luo mai

Transverse branches
of the yin luo mai
Transverse branches
of the yang luo mai

Yin divergent channel
Yang divergent channel

li

li

Yang

Yin

yuan-source point*

luo point

External pathway

zangfu-Organs * according to some authors to the of the Interiorly–Exteriorlypaired channelyuan-source point

Fig. 1.4 Illustration of the possible organisation of the jing luosystem (channel and network vessel system)

Levels Channel system
Superficial levels • 12 cutaneous regions
(skin and muscles) • Superficial luo-connecting vessels
(xue luo, fu luo, sun luo)


  • 12 sinew channels (jing jin)
    Mid-levels • 15/16 luo-connecting vessels
    (luo mai)

  • External pathways of the 12 primary
    channels

  • External pathways of the 12 divergent
    channels (jing bie)

  • Eight extraordinary vessels
    Deep levels • Deep (internal) pathways of the 12
    (zangfu-Organs) primary channels

  • Deep (internal) pathways of the 12
    divergent channels


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