Which of the following describes a chapped lip or hand condition?

A fissure is a narrow slit or crack, which is often associated with dry skin conditions such as chapped lips or hands. It occurs when the skin loses moisture and elasticity, leading to breaks in the outer layers. This condition can be painful and may result in bleeding, especially if the fissures are deep. Chapped lips, for instance, often develop fissures due to environmental factors like cold weather, dehydration, or excessive sun exposure.

In contrast, a callus is thickened skin that forms as a protective response to friction or pressure, typically not associated with cracking. A blister is a fluid-filled sac that develops as a result of friction or irritation, while an abscess is a localized collection of pus due to infection. These other options relate to different skin conditions and do not accurately describe the specific issue of chapped skin characterized by cracks, making "fissure" the correct term in this context.