Too much rise and you could die of heatstroke. A common cause of dandruff is inflammation around sebaceous glands. The significance of human , and the role of apocrine secretions in males, remains unknown. It is not uncommon for parents to feed babies what they will eat best. All of the above are true.
D Are compound alveolar glands. C The hair produced by the follicle will change from terminal to vellus. The stratum corneum just under the free-edge of a nail is the hyponychium. Definition apocrine sweat gland Term Cells that are specialized for secretion. B increase surface area and friction on fingertips. Latent heat of vapourisation is heat energy required for the molecules in a liquid to vibrate fast enough to escape from the confines of the liquid and become water vapour.
© American Chemical Society Human eccrine sweat is essentially a dilute with trace amounts of other electrolytes. C Sebum functions to lubricate the hair and skin. The body of the nail is covered by the cuticle. B is usually some shade of brown or black. C A lack of hair follicles and sebaceous glands in the injured area. The chief function of sweat glands and perspiration is to maintain the body temperature at a constant level. When he reaches the emergency room, the examining physician finds that he can remove entire hair follicles from Charlie's arm when he gently pulls on a hair with his forceps.
This covers the skin in minute droplets of water which evaporate in the heat, abs … orbing latent heat of vapourisation from the body as it does. To prevent possible abnormal bone development, what essential organic nutrient is necessary in the diet? In extreme conditions, beings may excrete several litres of such sweat in an hour. It therefore contains mainly sodium chloride, but also other small molecules in the blood. Definition connective Term Wrinkles in elderly individuals are the result of Definition loss of elastic filaments in the reticular layer of the dermis Term Forensic scientists analyzed a substance found at a crime scene. C fibroblasts in the dermis can give rise to new germinal cells in the epidermis. B permits independent movement of deeper structures. E hair production will not be affected.
They begin secreting at puberty; the sweat produced may be acted upon by bacteria, causing a noticeable odor. B stem cells persist in the skin even after injury. Definition synthesis of vitamin C Term The three types of protein fibers in connective tissues are Definition Collagen Reticular Elastic Term While walking barefoot on the beach, Joe stepped on a thorn that penetrated through the sole of his foot to the dermis. Sweating is increased by nervousness and nausea and decreased by cold. This carries heat away from the skin rapidly, leading to a cool sensation.
D the hair matrix will lose its blood supply. C Terminal hairs are heavy and more darkly pigmented than other types of hair. Definition Messiners corpuscle Term An athlete who suffers torn knee cartilage must prepare for a prolonged recovery period primarily becasue Definition cartilage is avascular Term What would be of most importance to goblet cells and other glandular epithelium? A Most sebaceous glands are coiled tubular glands. Stretch marks occur when the skin is so extensively stretched that its elastic limits are exceeded. E Increased heat causes the skin to turn red.
True False The Clear Answers feature requires scripting to function. B the color of the hair will become lighter. This fluid is composed mainly of water and salt. Cyanosis signifies that a patient has oxygen-starved skin. The eponychium is a pale crescent at the base of the nail. Its water-based secretion represents a primary form of cooling in humans.
D helps to prevent bacteria from colonizing the skin. The secretory activities of the gland cells and the contractions of myoepithelial cells are controlled by both the autonomic nervous system and by the circulating hormones. It is the most important lesson she wanted to teach her female contemporaries: women had to value their common sense, their logic, their brain much more than their heart, their sensibility. Copyright © 1995 - 2018. B The texture of the hair will become coarser. What type of junction allows a sodium ion in the cytoplasm of one cell to pass directly into the cytoplasm of the adjacent cell? The body perspirates, or sweats, as a natural instinct to cool down. Definition It allows the hair to assist in touch sensations Term The framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of what kind of connective tissue? Substances eliminated in sweat include water, sodium chloride and small amounts of urea, lactic acid and potassium ions.
The blood in the capillaries of the skin likewise is cooled before it courses back into the body. The apocrine sweat glands are large, branched, specialized glands that empty into the upper portion of a hair follicle instead of directly onto the skin surface, and are found only on certain areas of the body, such as around the anus and in the axilla. After examining the child and learning about the infant's diet, the pediatrician declares him perfectly healthy and advises the mother to watch the child's diet. D Club hair is hair that has ceased growing. Most non-primate mammals, however, have apocrine sweat glands over the greater part of their body.
C Melanocytes increase production of red pigments. Definition Irregular Term Which type of connective tissue is found in the trachea? A first-degree B second-degree C third-degree D partial-thickness E epidermal 81 Why would an elderly person be more prone to skin infections than a younger person? E The color of the hair will become lighter. Scalp hairs grow constantly throughout life. D Scalp hairs grow constantly throughout life. They concluded that the substance came from a gland that had what type of secretory process? E All of the answers are correct. Emotional stress stimulates contraction of the gland, expelling its contents.