Structure and Function Small Group Work Flashcards
Two main layers of skin?
Dermis and Epidermis
Basic tissue groups found in skin?
Epithelium Nervous tissue Connective tissue Adipose tissue Hair Muscle Glands
What does epithelium in the skin consist of?
Stratified squamous epithelium
What glands are particularly common on the face?
Sebaceous glands
Derived from the epidermis.
Lobulated masses in dermis which usually secrete an oily substance into hair follicle to coat hair and skin.
Not present in palm and sole skin
Sebaceous glands
Found over the whole body except the lips & genitals.
Coiled tubular structures which regulate heat and salt loss. What are these glands?
Eccrine glands
Limited to axillae/nipple/genitals.
Develop at puberty and open into hair follicles. What are these glands?
Apocrine glands
Nervous Tissue of the skin? Types of nerves/function?
Meissner’s corpuscles (for tactile sensation) and Pacinian corpuscles (deep pressure) are found in the dermis, while free nerve endings (for pain) are located in the basal layer of the epidermis
Structure of a nail?
Nail plate –sits on the nail bed
•Matrix –cells divide and then produce hard keratin
•Cuticle –extension of the skin fold covering the nail root
•Hyponychium–secures the free nail edge