Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
A bond in the context of anatomy and physiology is a force of attraction that holds atoms together within a molecule or compound. These chemical bonds are essential for forming the structural components of cells and tissues.
Related terms
Ionic bond: An ionic bond is formed when one atom donates an electron to another atom, creating ions that attract each other due to opposite charges.
Covalent bond: A covalent bond occurs when two atoms share one or more pairs of electrons, allowing them to stick together within molecules.
Hydrogen bond: A hydrogen bond is a weak attraction between a hydrogen atom in one molecule and an electronegative atom (like oxygen or nitrogen) in another, important for shaping the properties of water and biological molecules