1. Topic 6 Integumentary System

2. Function:
Protects
Excretes
Stores
Maintains
Produces
5.1

7. 5.2.1

8. 5.2(2,3)

9. More keratin & flattening “Spiney” Cytoplasm shrinking Dendritic cells
Keratin-filled
“Clear”
Dehydrating
“Grainy”
More keratin & flattening
“Spiney”
Cytoplasm shrinking
Dendritic cells
Cuboidal
Melanocytes
Merkel cells
5.2.4

12. Skin color Pigments: Blood supply Melanin Carotene Hemoglobin
Vasodilation
Others…
5.3.1

13. Different races…
have same amount of melanocytes
but produce different amounts of melanin.

14. Other factors that affect melanin production.

15. 5.3.(3,4)

16. Dermis Fibers… 1st- papillary 2nd-reticular Areolar CT
Meissner’s corpuscle
2nd-reticular
Dense irregular CT
Pacinian corpuscle
Accessory organs
5.4(1,2)

17. 5.4.5

18. Permits independent movement
Subcutaneous
Adipose tissue
Insulation
E storage
Permits independent movement
5.4(1,3)

20. Epidermal derivatives
bulb
5.7(1,2)

21. 5.7.4

25. 5.9.1

26. At follicle At surface Puberty Pores Found… Found… Odor No odor
Scent gland?
Hormones
& Emotion
Secretes…
Ex…
mammary gland
ceruminous gland
At surface
Pores
Found…
No odor
Thermoreg
Emotion
Antibacterial
Secretes…
5.8.2

28. Holocrine Found… Secretes… Lubrication Antibacterial Disorders…
Not thick skin
Secretes…
sebum
Lubrication
Antibacterial
Disorders…
Acne
Seborrhea
5.8.1

31. Cutaneous sensation
5.4.4

33. 5.10

34. 5.11.2

35. 5.12