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Hair Shaft
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What is a single hair called?
A single hair is called a "hair follicle" when referring to the structure from which the hair grows. The visible part of the hair itself is known as the "hair shaft." Each hair is composed of a protein called keratin and is part of the integumentary system in mammals.
What part of the hair extends from the hair papilla to the body surface?
The hair shaft extends from the hair papilla to the body surface. It is made up of keratinized cells that form the visible part of the hair.
Do people have hair bones?
No, people do not have "hair bones." Hair is primarily made of a protein called keratin and does not contain any bones. The structure of hair includes the hair shaft, which is the visible part, and the hair follicle, which is embedded in the skin, but neither part has any bony structure.
What portion if the hair is protrudes from the skin?
The portion of hair that protrudes from the skin is called the hair shaft. It is the visible part of the hair that extends above the skin's surface, while the root, which is embedded in the hair follicle, is not visible. The hair shaft is made up of three layers: the cuticle, cortex, and medulla. This structure is responsible for the hair's appearance, texture, and strength.
The part of the electromagnetic spectrum you can see is called ultraviolet light?
Actually, the part of the electromagnetic spectrum that we can see is called visible light, not ultraviolet light. Ultraviolet light is outside the visible spectrum and is not visible to the human eye.
Is the part of the electromagnetic spectrum you can see called ultraviolet light?
No, the visible part is called visible light. Ultraviolet is invisible to the human eye.
What two parts of a mature strand of human hair are?
The two parts of a mature strand of human hair are the shaft, which is the visible part of the hair that grows out of the scalp, and the root, which is the part of the hair that lies beneath the scalp and anchors the hair in place.
What is the externally observable part of a hair called?
The hair shaft.
What is the visible part of the nail called?
The visible part of the nail is called the nail plate or nail body. It is the hard, protective outer covering of the nail.
What is the innermost part of the hair called?
The innermost layer of the hair is the Medulla.
The part of the tooth that is visible above the gum line is called what?
The part of the tooth that is visible above the gum line is called the crown. This is the part of the tooth that is typically covered with enamel and is responsible for chewing food.
What is traits that are recognizable called?
The visible traits are called phenotypic traits. These are the traits that affect an individual's' appearance like their eye and hair color.
