What type of hair is typically associated with or emanates from round follicles?

Straight hair typically emanates from round follicles due to the structure and shape of the hair. Round follicles produce hair strands that have a uniform shape, resulting in straight hair growth. This occurs because the round cross-section allows the hair to grow out evenly without bending or curling.

In contrast, curly hair originates from oval or asymmetrical follicles, which create the bends and waves typical of curls. Wavy hair often has a slightly flattened or irregular follicle shape, resulting in the gentle waves that characterize this type of hair. Coarse hair refers to the thickness and texture of the hair strand itself, which can occur in straight, wavy, or curly forms, but does not specifically correlate to the shape of the follicle.

Thus, the association between round follicles and straight hair is based on the geometric relationship that influences the hair's growth pattern and overall appearance.