tuberosity
/ˌtuːbəˈrɑːsəti/
noun
- A rounded, bumpy projection on a bone where muscles or tendons attach.
- The ischial tuberosity is the bony part you sit on.
- A fracture of the tibial tuberosity can make it difficult to straighten the knee.
- The deltoid tuberosity on the humerus is where the deltoid muscle attaches.