Across
- 4. Refers to the region of the body toward the head
- 5. keratinous structures found on avian species originating from within the epidermis
- 7. Is the thin, outer layer of the skin
- 9. Is a protein formed within the epidermis
- 11. Are permanent projections which grow on the head of various hoofed animals
- 12. Refers to a region nearest a major point of reference
- 14. Refers to a region farthest from a point of reference
- 15. Refers to the two external openings of the nose which lead to the nasal cavity
Down
- 1. Is the innermost region of the integumentary system
- 2. Refers to the region of the body toward the tail
- 3. Refers to the middle layer of the skin
- 6. Refers to the belly, or underside, of the animal
- 8. Is the soft outer covering of an animal
- 10. Refers to the back of the body
- 13. Are the tips or the toes of a mammal with hooves, also referred to as an ungulate