Dermis Flashcards
Integumentary System
Dermis
Contains many fibers of collagen together with various kinds of cells
Strong and flexible
Sebaceous glands
Oil glands that are generally connected to hair follicles
Their secretion is an oily substance called sebum
Sweat glands
Delivers their watery secretions to sweat gland ducts which leads to sweat gland pores
Performs excretory functions by delivering metabolic waste products to skin surface for removal and it regulates body temperature
500cc to 12I/day (mostly water)
Papillary
Areolar connective tissues ; has derma; papillae (lies on top of dermal ridges)
One of the layers of the dermis
Reticular
Reticulum (network) of collagen and reticular fibers
The second layer of the dermis
Where is it found?
Found in fingerprints, palm prints, and foot prints
Flexion creases
Deep dermis from constant folding
Fibers
Collagen, electric fibers (stretch-recoil), striae (stretch marks), and tension lines (lines of cleavage)
Types of sweat glands
(most numerous, true sweat, opens through pores)
Eccrine or Merocrine, apocrine, modified glands
Apocrine
Axillary, anal and genital areas only
Ducts open into hair follicles
Ceruminous
Secrete earwax
Mammary
Secretes milk