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
Ring may refer to:
* Ring (jewellery), a round band, usually made of metal, worn as ornamental jewelry
* To make a sound with a bell, and the sound made by a bell
:(hence) to initiate a telephone connection
Arts, entertainment and media Film and ...
, and
little fingers, the medial portion of the
hand
A hand is a prehensile, multi-fingered appendage located at the end of the forearm or forelimb of primates such as humans, chimpanzees, monkeys, and lemurs. A few other vertebrates such as the koala (which has two opposable thumbs on each "h ...
, 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.
Clinical significance
The supratrochlear lymph nodes swell up when an infection is detected in the hand or forearm areas. They may be
palpable
Palpation is the process of using one's hands to check the body, especially while perceiving/diagnosing a disease or illness. Usually performed by a health care practitioner, it is the process of feeling an object in or on the body to determine ...
.
Additional images
File:Illu lymph chain03.jpg, Lymph Nodes of the Upper Limb and Breast
See also
*
Trochlea of humerus
In the human arm, the humeral trochlea is the medial portion of the articular surface of the elbow joint which articulates with the trochlear notch on the ulna in the forearm.
Structure
In humans and apes it is trochleariform (or trochleiform), ...
References
External links
*
* ()
Lymphatics of the upper limb
{{Portal bar, Anatomy