Integumentary System
Name: ______________________ Date: ____________
Write the letter of the matching item on the line next to each number.
1. Hypodermis
A. The outer layer of the skin covering the exterior body surface of vertebrates
2. Subcutaneous
B. A bluish discoloration of the skin and mucous membranes
3. Dermis
C. The innermost layer of the epidermis
4. Epidermis
D. Layer of cells that secretes the chitinous cuticle in e.g. arthropods
5. Stratum basale
E. Insoluble pigments that account for the color of e.g. skin and scales and feathers
6. Stratum corneum
F. Relating to or located below the epidermis
7. Callus
G. Containing an unusual amount of grease or oil
8. Melanin
H. Bony tissue formed during the healing of a fractured bone
9. Albinism
I. The outermost layer of the epidermis consisting of dead cells that slough off
10. Cyanosis
J. The congenital absence of pigmentation in the eyes and skin and hair
11. Carotene
K. The deep vascular inner layer of the skin
12. Sebaceous
L. An orange isomer of an unsaturated hydrocarbon found in many plants