Wearing inappropriately tight shoes can put undue pressure on feet. such pressure may then lead to painful heterotopic bone formation in the soft tissues of the foot. what medical term describes this condition?

Sesamoid is the medical term that describes this condition

Sesamoid is a small nodular bone that is firmly fixed in a tendon or muscle. Sesamoid forms as a result of pressure, or it can form normally on its own. Sesamoids are present in many joints in the body such as in the foot and knee. Sesamoids functions like pulleys for tendons. They enhance the ability of the tendons to transmit muscle forces by creating a smooth surface for the tendons to slide over.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.