Integument

    Integument
    One of the following is NOT a type of sweat gland. Which one?
    Endocrine is a general term for glands that produce hormones. Merocrine is another name for eccrine.
    Integument
    What is one difference between the dermis and the epidermis? The
    The stratum germinativum of the epidermis and the more superficial layers being without blood capillaries receives their nutrition via diffusion from capillaries in the dermis.
    Integument
    What is the name given to the most superficial layer of the integument?
    The stratum corneum is the horny (i.e. keratinised), dead covering to the epidermis. Choice D is another name for the hypodermis.
    Integument
    What are three functions of the skin? To:
    Fat is not stored in the skin. Bile is not excreted. Dendrocytes are not produced.
    Integument
    What must be the case for a drug to be administered transdermally?
    Integument is virtually waterproof. Lipid-soluble drugs may penetrate between the keratinised cells.
    Integument
    Where are sebaceous glands found?
    Sebaceous glands produce sebum (oil) and are located in the dermis.
    Integument
    The hypodermis is which of the following?
    Hypodermis is “below” the dermis. Although it has “dermis” in its name, it is not part of the integument.
    Integument
    Where must the ink in a skin tattoo be placed for the tattoo to be permanent?
    The epidermis is continually replaced as new cells from the stratum basale move the over lying cells more superficially until eventually the stratum corneum flakes off. If the ink is placed below the stratum basale of the epidermis into the dermis, it remains there and can be seen through the translucent epidermis.
    Integument
    Which cell type produces a pigment that affords the skin some protection against ultraviolet radiation?
    Melanin causes the skin to darken (tan) which absorbs some of the incoming UV radiation.
    Integument
    Which glands secrete “oil” into a hair follicle?
    Eccrine sudoriferous glands secrete to skin surface via a duct.