All of the following regarding the hair growth cycle and hair shedding are true EXCEPT that each hair grows continuously without stopping for 2–5 years the hair loses its attachment to the follicle in the resting phase it is typical for adults with full heads of hair to shed about 100 hairs per day hairs are shed from the scalp when the follicle regresses

Q: Define Major the growth, distribution, and replacement of hairs

A: The active phase of the hair is Anagen. The cells in the root undergo continuous division and divide…

Q: Below is a picture of the base of a hair. The section that is referred to as the matrix is shown in…

A: Skin is the largest organ of the integumentary system that covers the body and provides three main…

Q: Common folklore says that if a young man wants to know whether he will become bald, he should look…

A: Male pattern baldness is highly determined by the genes. There are some crucial genes located on the…

Q: Epidermal placodes contribute to the development of all of the following EXCEPT:     teeth   mammary…

A: Placode refers to ectodermal thickenings in the cranial region of the embryo which give rise to…

Q: Describe what happens in the anagen, catagen, andtelogen phases of the hair cycle

A: The hair follicle is an organ found in the mammalian skin. It resides in the dermal layer of the…

Q: List and discuss the three zones along the length of a hair.

A: Hair is one of the important features of mammals. It is a filament made of keratin protein. It…

Q: Partial or complete lack of hair due to genetic factors, aging, chemotherapy or skin diseases is…

A: Introduction : Hair Growth Cycle : Hair grows in a predictable pattern. There are three phases to…

Q: What are the differences in the length of hair growth cycles between the hair of the head and the…

A: The hair growth cycle has 3 stages, namely, anagen, catagen, and telogen. Anagen phase marks the…

Q: State the functions of the hair papilla, hair receptors, andpiloerector.

A: KEYWORDS :- Piloerection - It occurs when sudden cold currents or fright occurs suddenly our hair…

Q: Describe the three regions of a hair from its base to its tip, and the three layers of a hair seen…

A: A cell is a structural and functional unit of life. The structure and function of a cell have been…

Q: Why does my pimples only grow during my menstruation? Why does hair grow more on the intimate parts…

A: Menstruration is a term given for the process of releasing blood from the uterus. Menstruation…

Q: The three stages of hair growth are the ___________,___________, and ___________ phases.

A: A protein filament that grows from follicles located in the dermis generally called hair. This also…

Q: What are the concentric regions of a hair shaft, from the outside in?

A: The hair shaft is the hair segment that is not connected to the follicle, much of which is found on…

Q: What is the effect of 1,25(OH)2D3 on the GI tract?

A: 1,25 (OH)3 D3, commonly referred to as 1,25-dihydroxycholecalciferol, is an active metabolite of…

Q: he mechanism by which a functional MC1R protein affects skin color is it ______     directly…

A: Melanocytes are the cells that produce melanin- eumelanin and pheomelanin. The relative ratio of…

Q: Match the anatomical hair terms with the figure shown -6. (darker orange) 7. (yellow) (all content…

A: The sensory cells which are present in the inner ear are called hair cells. Keratin is the tough…

Q: Where do hair cells undergo mitosis?      hair papilla     sebaceous gland      hair matrix…

A: The hair is located outside of the body that is responsible for conserving heat. The hair root is…

Q: Why is having your hair cut painless?

A: The reason why it is painless when we cut the hair is because: it is composed of dead cells. it is…

Q: Why does some females have facial hair when ageing

A: A hair is a fine threadlike structure that are grown on the skin of mammals like humans. It is a…

Q: Concerning hair growth,a. hair falls out of the hair follicle at the end of the growth stage.b. most…

A: Hair is an accessory structure arising from the ectoderm which is involved in sensing,…

Q: The predominant function of hair, regardless of location, is O not recognized; there is no…

A: Hair serves as a physical barrier to protect the skin from external factors such as UV radiation,…

Q: Identify the accessory structure of the skin indicated by the arrow: O hair root O hair bulb O hair…

A: Hair develops from the follicle. This is situated at the intersection of the deep dermis and the…

Q: The hair present only prenatally is called most of which is replaced by by the time of birth.…

A: The hair present only prenatally is called Lanugo, most of which is replaced by Vellus by the time…

Q: Which of the following statements are true with regards to epidermal ridges? Select all that apply.…

A: Solution 1:The ridges ... dermis is damaged.Incorrect: If the dermis is damaged, scarring can alter…

Q: Epidermal derivatives Sebaceous glands • Sweat glands Arrector pili muscle • Hair follicle • Hair…

A: Skin is the largest organ in the body, it forms the outer covering. It consists of two layers- The…

Q: Describe the processes that produce hair and the structural basis for hair texture and color.

A: A hair or hair follicle is a filament made up of keratin that grows out of the skin's epidermis.…

Q: Researchers isolated a mutation that results in an FGF5 receptor that can bind the FGF5 protein but…

A: The objective of the question is to predict the effect of a mutation in the FGF5 receptor on hair…

Q: An oily secretion that helps to waterproof body surface Become active at puberty Responds to…

A: Skin is also referred as integumentary system, forms the outer tissue covering the body. The main…

Q: What does bleach do to hair

A: Melanin, the pigment that also affects the colour of your skin, also determines the colour of your…

Q: 3.

A: A nail is a hard, horny plate that covers the dorsal surface of the terminal phalanges of the…