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Terms in this set (17)The skin is also known as a (the) _____ cutaneous membrane Which type of epithelium makes up the epidermis? keratinized stratified squamous Which feature(s) of the
skin protect(s) us against microbes such as bacteria? All of these are correct In addition to a thicker stratum corneum and the presence of a stractum lucidum, the thick skin of the palms and fingertips of the hands and of the soles of the feet have a denser array of sense receptors than skin found elsewhere on the body, and also is hairless. True In deep wound healing, an injury has penetrated through to the dermis or even the hypodermis (subcutaneous layer). In this type of wound, the healing process will leave a scar and could involve a loss of some functionality of the area of the wound. True Wounds that only damage the epidermis won't bleed because the epidermis is avascular. True Although they appear in the dermis, hair follicles are derived from the epidermis True Along with sweating, which other responses by skin assists with thermoregulation? blood vessels near the skin can dilate, increasing blood flow and heat loss Vitamin D, following acivation in the skin, is converted to the hormone calcitriol by enzymes in the livers and kidneys. People in northern climates who may not get adequate sun exposure can become deficient in Vitamin D. What mineral would be especially affected by this? calcium When an epidermal wound begins the healing process, basal cells migrate away from the basement membrane, enlarge, and migrate to fill in the wounded area. As these cells migrate from different sides of the wound, and reach each other, they stop migrating. This process is called _____. contact inhibition Formation of granulation tissue and a scab would only happen in deep wound healing where the dermis has been damaged. True Which is not true about eccrine/merocrine sweat glands? They begin to function at puberty Which is the correct sequence of phases for deep wound healing? inflammation, migration, proliferation, maturation This type of exocrine gland undergoes a higher rate of mitosis due to its holocrine secretion sebaceous gland "Goose bumps" are caused by contraction of arrector pili muscles Which statements describing vitamin D are true. 2, 3, 4 Which of the following are characteristics of thick skin? Select all that apply. -Found in the palms, soles of the feet and fingertips Other sets by this creatorChapter 4: Archaea5 terms gabrielle_nguyen18 Exercise 2- Practice15 terms
gabrielle_nguyen18 Chapter 17: The special senses39 terms gabrielle_nguyen18 Wiley Assessment Chapter 1430 terms gabrielle_nguyen18 Other Quizlet setsMaternity 201 PPT #4 and #566 terms emily_vilca Real estate14 terms ashleycortes93 Pathophysiology: Disorders of the Lower Urinary Tr…68 terms Kaeli_Ross9 Herbs that Drain Dampness11 terms peninaglad What process stops epidermal cell migration in response to epidermal injury?During wound repair, E-cadherin expression is reduced and alters cell adhesion, promoting cell migration. However, overexpression of E-cadherin makes cells become more tightly packed, thereby preventing cell migration and consequently re-epithelialization [81].
When epidermal cells encounter one another they stop migrating?When epidermal cells encounter one another, they stop migrating due to a cellular response called contact inhibition. Migration of the epidermal cells stops completely when each is finally in contact with other epidermal cells on all sides.
How does the skin try to repair itself when the epidermis is slightly injured?Before the basal stem cells of the stratum basale can recreate the epidermis, fibroblasts mobilize and divide rapidly to repair the damaged tissue by collagen deposition, forming granulation tissue. Blood capillaries follow the fibroblasts and help increase blood circulation and oxygen supply to the area.
How does skin respond to injury and repair itself?When skin is injured, immune cells rush to the site to remove debris, invading pathogens, and dead and damaged skin cells. A blood clot forms over the area, forming a protective scab. Skin cells manufacture new collagen and connective tissue to fill in the wound.
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What process stops epidermal cell migration in response to an epidermal injury quizlet?
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