Indented vertical lines down the nail plate that may be caused by illness or injury are called:

Indented vertical lines down the nail plate that may be caused by illness or injury are called:

• A. Furrows
• B. Ridges
• C. Striations
• D. Grooves

Answer: (A)

Indented vertical lines down the nail plate are furrows. Furrows are narrow grooves that run lengthwise along the nail, and they typically appear when growth is disrupted by illness or injury affecting the nail matrix. This makes them look like indentations along the length of the nail. Ridging, by contrast, describes raised lines that run lengthwise, often linked to aging or systemic conditions. Striations refer to lines that cross or run in other patterns, not vertical indentations, and grooves is a broader term that can describe various channels or indentations on the nail. So the precise term for those vertical indentations caused by illness or injury is furrows.

Indented vertical lines down the nail plate are furrows. Furrows are narrow grooves that run lengthwise along the nail, and they typically appear when growth is disrupted by illness or injury affecting the nail matrix. This makes them look like indentations along the length of the nail. Ridging, by contrast, describes raised lines that run lengthwise, often linked to aging or systemic conditions. Striations refer to lines that cross or run in other patterns, not vertical indentations, and grooves is a broader term that can describe various channels or indentations on the nail. So the precise term for those vertical indentations caused by illness or injury is furrows.