antecubital
/ˌæntɪˈkyuːbɪtəl/Definitions
1. adjective
relating to or situated near the front part of the elbow, especially the area where the arm bends.
“The antecubital fossa contains the radial and ulnar arteries.”
2. noun
the area on the inside of the elbow, at the front of the bend.
“A blood test was taken from the antecubital area to check the patient’s blood sugar levels.”