it is a jaw bone
"Infundibulum is midline" refers to a structure called the infundibulum which lies in the midline of the body. The term highlights the specific location of the infundibulum along the midline of the body.
A medial structure is closer to the midline of the body or lies in the midline of the body. A lateral structure is on the sides of the body, or closer to the sides than some other structure to which it's being compared.
The gallbladder is lateral to the sternum. The sternum is a midline structure.
Yes, the right lung is lateral to the heart. Lateral is described from the midline outward; medial is outward toward the midline.
medial
The spine is a medial structure. It lies in the midline of the body.
A structure on the inside of the knee will be medial compared to a structure on the outside. For example, the medial condyles of the knee are closer to the body's midline than the lateral condyles.
The linea alba is a fibrous structure that runs down the midline of the abdomen.
The term is "medial."
The ulna is not a midline structure. It is, however, the most medial bone of the forearm.
The humerus is lateral to the sternum. The sternum, or breastbone, is midline.
AP diameter of 9mm in the midline means the front-to-back distance in the middle of the structure is less than a half inch.