👉 The term "bullae" is used in the context of various animal and plant species. It refers to structures on the surface of the skin that are primarily made up of bony tissue, which can be arranged in a variety of ways such as forming horns or spikes. These structures serve various functions in the animal kingdom, including protection from predators, storing fat for energy reserves, and facilitating movement through the body. For example, bullae are often found on the surface of animals like horses, sheep