Chapter 6
Across
- 2. sweat glands found in the breast, eyelids and ears
- 4. the release of milk from mammary glands
- 5. subcutaneous tissue
- 6. organ secreting protein-rich thick fluid
- 8. cells that produce keratin
- 9. hard covering at the end of finger
- 10. dermal bone under epidermal scale
- 13. hard and thickened area on the skin
- 14. sweat gland that found most of the body
- 16. sharp curve part on the toe of an animal such as birds
- 17. chordate embryos that gives rise to skeletal muscle
- 18. nerve fibers that release the neurotransmitter acetylcholine
- 22. rigid external body covering
- 24. process which skin forms protein
- 25. fibrous protein
- 27. undifferentiated embryonic blocks of presumptive muscle
- 28. melanin-containing cell
- 34. in the mouth of some species of whales.
- 35. cornified and is the real protective layer of the skin
- 36. general term for pigment cell
- 38. parts of skin that produce hair
- 39. embryonic skin segment
- 40. cells that aid in tactile reception
Down
- 1. large gland in most bird usually secretes oil
- 3. basal layer
- 7. unicellular gland that is absent from lamprey skin
- 11. cytoplasmic process of a neuron
- 12. pigment producing cells
- 15. cortical protective layer
- 19. skin layer lies beneath the epidermis
- 20. part of vertebrate embryo that gives rise to skeletal tissue
- 21. exists only in the thickened layer of soles and palms
- 23. cell immune cells
- 26. outer layer of the skin
- 29. nerve fibers that release adrenaline-like neurotransmitter
- 30. contour feather
- 31. largest body organ
- 32. upper part of the body that produce milk
- 33. hard covering on the foot of an animal such as horse
- 37. keratinized straining plates that arise from the
- 38. hard painted parts on the head of some animals