Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.3 The epidermis of thick skin.
Epidermis•Stratum corneum
Dermis
•Stratum spinosum•Stratum basale
•Stratum granulosum
•Stratum lucidum
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.3 The epidermis of thick skin.
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.7a Structure of a hair and hair follicle. (a) Longitudinal section of a hair within its follicle.
ArrectorpiliSebaceousgland
Hair root
Hair bulbin follicle
Hairshaft
(a)
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.7a Structure of a hair and hair follicle. (a) Longitudinal section of a hair within its follicle.
(a)
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.7b Structure of a hair and hair follicle. (b) Hair.
Cuticle
Cortex
Medulla
(b) Hair
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.7b Structure of a hair and hair follicle. (b) Hair.
(b) Hair
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
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.
Hairfollicle
Matrix (growthzone) in hair bulb
Connective tissuepapilla containingblood vessels
Melanocyte
DermalsheathEpidermalsheath
(c)
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
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)
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.9a Structure of a nail. (a) Surface view.
Body ofnail
Lateralnail fold
Lunula
Cuticle
(a) Surface view
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.9a Structure of a nail. (a) Surface view.
Surface view
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
Figure 4.9b Structure of a nail. (b) Longitudinal section of the distal part of a finger.
Nailmatrix
Root ofnail
Proximalnail fold
Cuticle Body of nail
Nail bed
Free edgeof nail
Bone offingertip
Stratum basale
(b) Longitudinal section of the distal part of a finger
Essentials of Human Anatomy and Physiology, 9eby Elaine N. Marieb
Copyright © 2009 Pearson Education, Inc.,publishing as Pearson Benjamin Cummings.
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
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Appendages of the Skin
Figure 4.6b
Copyright © 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Appendages of the Skin
Figure 4.6a