proximal epiphysis
The xyphoid process that is the terminal end of the sternum, should be pretty close
it is a jaw bone
The closest bone to the midline on the anterior (front) of the body is the sternum, the lower tip of the sternum is called the xyphoid process. Other than that, there really is no bone close to the midline of the body that has an end. On the back (posterior) is the vertebral column, but those bones do not have ends on them.
the sternum
The tibia is a large bone located in the lower front portion of the leg. The tibia is also known as the shinbone.
The dagger-shaped bone in the nasal cavity is called the vomer bone. It is located in the midline of the nasal cavity and helps to separate the left and right nasal passages.
Furthest from the midline is "distal". The ischium is the bone closest to the seat of a chair while you are sitting.
The vomer is the inferior bone of the nasal septum. It is located in the midline of the nasal cavity, separating the left and right nostrils. The vomer articulates with the ethmoid bone superiorly and the maxillary bone anteriorly.
The gracilis muscle lies on the inner thigh, connecting from the lower portion of your pubic bone to the upper inner surface of your knee bone. The Sartorius muscle connects from the upper portion of your pubic bone and wraps around the thigh and connecting to the inner portion of the knee.
the urinary bladder is in the midline of the abdomen, behind the pubic bone. the gallbladder is in the upper right abdomen.
The relatively fixed point of a muscle's attachment to a bone is called the origin. It is typically located closer to the body's midline and usually remains stationary during muscle contraction.
The ulna is not a midline structure. It is, however, the most medial bone of the forearm.