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What is The layer of soft keratin within the hair shaft?
The layer of soft keratin within the hair shaft is the medulla. It is found in the center of the hair and its presence can vary between individuals and hair types. The medulla's function is not fully understood and it may play a role in providing structural support to the hair.
What is the purpose of the hair shaft?
the purpose of the hair shaft is to protect and moisturize the scalp.
How is the medullary index of hair calculated?
The medullary index measures the diameter of the medulla relative to the diameter of the hair shaft. MI= Medulla Diameter -------------------------- x 100 Hair Diameter
What are the three main layers of the hair shaft?
The three main layers of the hair shaft are the medulla (innermost layer), cortex (middle layer), and cuticle (outer layer). The medulla is the innermost part of the hair shaft, often absent in fine hairs. The cortex provides strength, color, and texture to the hair, while the cuticle is the protective outer layer made up of overlapping scales.
The inner core of a hair is called the?
The inner core of a hair is called the medulla. It is a central part of the hair shaft found in some types of hair, but it may be absent in others, depending on the hair type.
What is the soft core of the hair strand?
The soft core of the hair strand is called the medulla. It is a cylindrical column running through the center of the hair shaft and may or may not be present in all hair types.
What are function of a medulla in hair?
The medulla is the innermost layer of the hair shaft, consisting of cells and air spaces. Its function is not entirely understood, but it may provide structural support to the hair shaft and help regulate the passage of nutrients and other substances to the cortex and cuticle layers. The presence, absence, and characteristics of the medulla can vary among different hair types and species.
Functions of hair shaft?
The hair shaft is the portion of the hair that projects above the skin, it has 3 layers.The 3 layers are the cuticle, the cortex and the medulla. If you need more information on the 3 layers respond back!
Why is the part of the hair and part of the brain both called the medulla?
Because medulla means the middle or interior part of something. With regard to hair, the medulla of a piece of hair is the innermost layer of the hair shaft; with regard to the brain, the full term is the medulla oblongata, which is often shortened to just medulla when it's clear that the reference is to the brain, and I think the term is used in this instance to mean the first part of the brain, between the spinal cord and the rest of the brain.
What is the soft core of a hair strand?
The soft core of a hair strand is called the medulla. It is a column of cells that runs through the center of the hair shaft and is present in some but not all hair types. Its function is not entirely understood, but it may help with the flexibility and strength of the hair.
How do you find the medulla in a hair?
To find the medulla in a hair strand, you should first examine it under a microscope, as the medulla is a central core that may not be visible to the naked eye. Look for a distinct, often lighter or hollow area running longitudinally through the hair shaft. The medulla can vary in appearance; it may be absent, fragmented, or continuous depending on the type of hair. Observing cross-sections can also help in identifying the medulla's presence and structure.
What is the part of a hair that is containing fusi?
The hair follicle is the part of the hair that contains the hair bulb, which is where the hair matrix or hair-producing cells are located. The hair bulb is connected to the rest of the hair strand by the hair shaft.
