1. Diagrams For Chapter 4 Test Skin & Body Membranes
Anatomy & Physiology Honors
Instructor: Phyllis Smith
Jefferson Township High School

3. Figure 4.1a Classes of epithelial membranes. (a) Cutaneous membrane.
membrane (skin)
(a) Cutaneous membrane

5. Figure 4.1b Classes of epithelial membranes. (b) Mucous membranes.
Mucosa of
nasal cavity
Mucosa of
mouth
Esophagus
lining
Mucosa of
lung bronchi
(b) Mucous membranes

7. Figure 4.1c Classes of epithelial membranes. (c) Serous membranes.
Parietal
peritoneum
Visceral
peritoneum
(c) Serous membranes

9. Outer wall (comparable to parietal serosa)
Figure 4.1d  Classes of epithelial membranes. (d) Relationship between the parietal and visceral serous membrane layers.
Parietal
pleura
Visceral
pleura
Parietal
pericardium
Visceral
pericardium
Outer wall (comparable to parietal serosa)
Air or water (comparable to serous fluid)
Inner wall (comparable to visceral serosa)
(d)

11. Figure 4.2 A typical synovial joint.
Ligament
Joint cavity
(contains
synovial fluid)
Articular (hyaline)
cartilage
Fibrous
capsule
Articular
capsule
Synovial
membrane

12. Figure 4.3 The epidermis of thick skin.

13. Figure 4.3 The epidermis of thick skin.
Stratum
corneum
Stratum
lucidum
Stratum
granulosum
Stratum
spinosum
Stratum
basale
Dermis

14. Skin structure
Sensory nerve fiber
Hair follicle receptor

15. Cutaneous blood vessels Pacinian corpuscle Sensory nerve fiber
Figure 4.4  Skin structure.
Hair shaft
Pore
Dermal papillae
Epidermis
Arrector pili
muscle
Papillary
layer
Appendages
of the skin:
Sebaceous (oil)
gland
Dermis
Reticular
layer
Eccrine sweat
gland
Hair follicle
Hair root
Hypodermis
(subcutan-
eous tissue)
Adipose (fat) tissue
Nervous structures:
Meissner’s corpuscle
Cutaneous blood vessels
Pacinian corpuscle
Sensory nerve fiber
Hair follicle receptor

16. Appendages of the Skin
Figure 4.6b

17. Appendages of the Skin
Figure 4.6a

18. Figure 4. 7a Structure of a hair and hair follicle
Figure 4.7a  Structure of a hair and hair follicle. (a) Longitudinal section of a hair within its follicle.
(a)

19. Hair shaft Arrector pili Sebaceous gland Hair root Hair bulb
Figure 4.7a  Structure of a hair and hair follicle. (a) Longitudinal section of a hair within its follicle.
Hair
shaft
Arrector
pili
Sebaceous
gland
Hair root
Hair bulb
in follicle
(a)

20. Figure 4.7b Structure of a hair and hair follicle. (b) Hair.

21. Figure 4.7b Structure of a hair and hair follicle. (b) Hair.
Cuticle
Cortex
Medulla
(b) Hair

22. Figure 4. 7c Structure of a hair and hair follicle
Figure 4.7c   Structure of a hair and hair follicle. (c)  Enlarged longitudinal view of the expanded hair bulb in the follicle showing the matrix, the region of actively dividing epithelial cells that produces the hair.
(c)

23. Dermal sheath Hair follicle Epidermal sheath Matrix (growth
Figure 4.7c   Structure of a hair and hair follicle. (c)  Enlarged longitudinal view of the expanded hair bulb in the follicle showing the matrix, the region of actively dividing epithelial cells that produces the hair.
Dermal
sheath
Hair
follicle
Epidermal
sheath
Matrix (growth
zone) in hair bulb
Melanocyte
Connective tissue
papilla containing
blood vessels
(c)

24. Figure 4.9a Structure of a nail. (a) Surface view.

25. Figure 4.9a Structure of a nail. (a) Surface view.
Body of
nail
Lateral
nail fold
Lunula
Cuticle
(a) Surface view

26. (b) Longitudinal section of the distal part of a finger
Figure 4.9b  Structure of a nail. (b) Longitudinal section of the distal part of a finger.
(b) Longitudinal section of the distal part of a finger

27. (b) Longitudinal section of the distal part of a finger
Figure 4.9b  Structure of a nail. (b) Longitudinal section of the distal part of a finger.
Nail
matrix
Root of
nail
Proximal
nail fold
Nail bed
Free edge
of nail
Cuticle
Body of nail
Bone of
fingertip
Stratum
basale
(b) Longitudinal section of the distal part of a finger