Supratrochlear lymph nodes

Supratrochlear lymph nodes
The superficial lymph glands and lymphatic vessels of the arm (supratrochlear gland labeled at bottom center)
Regional lymph tissue
Details
System	Lymphatic system
Drains to	Lateral lymph nodes[1]
Identifiers
Latin	nodi lymphoidei supratrochleares
Anatomical terminology [edit on Wikidata]

One or two supratrochlear lymph nodes are placed above the medial epicondyle of the humerus, medial to the basilic vein.

Their afferents drain the middle, ring, and little fingers, the medial portion of the hand, and the superficial area over the ulnar side of the forearm; these vessels are, however, in free communication with the other lymphatic vessels of the forearm.

Their efferents accompany the basilic vein and join the deeper vessels.

They are distinguished in Terminologia anatomica from the "epitrochlear" (or "cubital") lymph nodes, but the region is similar.^[2][3]

The supratrochlear lymph nodes swell up when an infection is detected in the body.^[4] They may be palpable.^[5]

• 
  Lymph nodes of the upper limb and breast

• Trochlea of humerus

This article incorporates text in the public domain from page 699 of the 20th edition of Gray's Anatomy (1918)

• Patel D (2001). "The supratrochlear lymph nodes: their diagnostic significance in a swollen elbow joint". Ann R Coll Surg Engl. 83 (6): 425–6. PMC 2503686. PMID 11777140.
• clinicalconsiderations at The Anatomy Lesson by Wesley Norman (Georgetown University) (lymphdrainageul)

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