A brachial lymph nodes (or lateral group) are group of four to six

lymph nodes A lymph node, or lymph gland, is a kidney-shaped Organ (anatomy), organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked throughout the body by the lymphatic vessels. They are major sites of lymphoc ...

which lies in relation to the medial and posterior aspects of the

axillary vein In human anatomy, the axillary vein is a large blood vessel that conveys blood from the lateral aspect of the thorax, axilla (armpit) and upper limb toward the heart. There is one axillary vein on each side of the body. Structure Its origin i ...

; the afferents of these glands drain the whole arm with the exception of that portion whose vessels accompany the

cephalic vein In human anatomy, the cephalic vein (also called the antecubital vein) is a superficial vein in the arm. It is the longest vein of the upper limb. It starts at the anatomical snuffbox from the radial end of the dorsal venous network of hand, a ...

. The efferent vessels pass partly to the central and subclavicular groups of

axillary glands The axillary lymph nodes or armpit lymph nodes are lymph nodes in the human armpit. Between 20 and 49 in number, they drain lymph vessels from the lateral quadrants of the breast, the superficial lymph vessels from thin walls of the chest and the ...

and partly to the

inferior deep cervical glands The inferior deep cervical lymph nodes are one of the two groups of the deep cervical lymph nodes (the other being the superior deep cervical lymph nodes). They are situated partial deep to the sternocleidomastoid muscle. They are closely related ...

Additional images

References

Lymphatics of the upper limb {{Portal bar, Anatomy