What does the central core of a whorl pattern act as?

Which whorl pattern typically resembles an “S” shape or a yin-yang symbol?

Which statement about arches is TRUE?

How many deltas are typically seen in an accidental whorl pattern?

Which of the following best describes a central pocket loop whorl?

Which type of arch has a smooth, uniform ridge flow?

What shape does a delta resemble?

What is a primary difference between a tented arch and a plain arch?

What happens in a whorl pattern when an imaginary line is drawn from delta to delta?

Which of the following subcategories of whorls has an imaginary line from delta to delta that does not cut through any recurving ridges?