chpter 11

• what are the functions of integumentary system?


  protection, thermoregulation, sensation, immunity and vitamin D synthesis
• what are the three skin layers?

  epidermis, dermis, hypodermis
• the epidermis is made up of?

  KSSE
• the dermis is made up of?

  dense irregular CT
• the hypodermis is mostly made up of?

  adipose CT
• what are four types of epidermal cell types?

  keratinocytes

  melanocytes

  langerhans

  merkel
• what are the cells that make melanin called?

  melanocytes
• what are the cells that make keratin fibers called?

  keratinocytes
• what are known as the dendritic cells?

  langerhans cells
• is the epidermis vascularized?

  no
• what types of cells are also known as tactile cells?

  merkel cells
• merkel cells combine with nerve endings to create --- for touch.

  sensory receptor
• what is the difference between thick skin and thin skin?

  stratum lucidum
• langerhans cells are most like what kind of cells?

  macrophages
• what are the five layers of the epidermis?

  corneum

  lucidium

  granulosum

  spinosum

  basale

  come let's get sun burned
• what epidermis layer is associated with prickly?

  stratum spinosum
• what are cell types found in the dermal layer of the skin?

  fibroblasts

  mast cells

  macrophages

  leukocytes

  adipocytes
• what are the two dermal layers?

  papillary

  reticular
• what contribute to dermatoglyphs?

  dermal ridges
• the papillary layer is --- CT

  loose
• the reticular layer is --- CT

  dense irregular
• what are the two types of hair?

  vellus

  terminal
• what is peach fuzz called?

  vellus hair
• the internal root sheath is continuous with

  stratum corneum
• the external root sheath is continuous with

  stratum basale and stratum spinosum
• what is known as the basement membrane along the length of the follicle?

  glassy membrane
• what are the three types of skin glands?

  sebaceous gland

  apocrine sweat gland

  eccrine sweat gland
• what kind of skin gland secrete sebum?

  sebaceous gland
• what kind of gland secrete sweat in the arm pits?

  apocrine sweat gland
• what kind of gland secrete sweat in the hands?

  eccrine sweat glands
• the nail bed is continuous with

  stratum basale and stratum spinosum
• the nail cuticle is the dead edge of the

  eponychium
• general layers of the tubes

  mucosa

  submucosa

  muscularis externa
• what are the two sub-parts of mucosa?

  lamina propria

  muscularis mucosae
• what are the three sub-parts of the muscularis externa?

  inner circular layer

  myenteric plexus

  outer longitudinal layer
• what are the three mucosas of the oral cavity?

  oral mucosa

  masticatory mucosa

  specialized mucosa
• the oral mucosa is mostly made up of what kind of epithelium?

  NKSSE
• the masticatory mucosa is found ?

  gingivae and hard palate
• the masticatory mucosa is mostly made up of?

  KSSE or PKSSE
• the specialized mucosa is found?

  tongue's upper surfaces/sides