Clavicular notch
Incisura clavicularis
Definition
The clavicular notch is an oval articular surface, directed upward, backward, and lateralward, for articulation with the sternal end of the clavicle.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).