Base of patella
Basis patellae
Definition
The base of patella refers to its superior border. It is positioned in the opposite direction of the downward-directed apex.
The base of patella serves as an attachment site for the rectus femoris muscle in the front and the vastus intermedius muscle behind.
References
Standring, S. and Gray, H. (2016). ‘Chapter 80: Pelvic girdle, gluteal region and thigh’ in Gray’s anatomy The anatomical Basis of Clinical Practice. (41st ed.) New York: Elsevier, pp. 1327-1329.