In Albinism, ________ Is Lacking

question 37

Multiple Choice

In albinism, ________ is lacking.

• A) melanin
• B) keratin
• C) carotene
• D) keratinocytes
• E) collagen

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Definitions:

Vertebral Arteries

Vertebral arteries are major arteries of the neck that supply blood to the brainstem, cerebellum, and posterior part of the brain.

Vasa Vasorum

Small blood vessels that supply the walls of larger blood vessels, providing nutrients and oxygen to the outer layers of thick-walled blood vessels.

Artery Wall

The layer of tissue that forms the outer structure of an artery, made up of smooth muscle cells, connective tissue, and elastic fibers to withstand blood pressure.

Veins Overstretching

The condition where veins, typically those in the legs, are stretched beyond their normal capacity, often leading to varicose veins.