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Chapter 4 - Skin and Body Membranes
Across
5. Clear, watery fluid secreted by cells of a serous membrane.
6. Tiny, smooth muscles attached to hair follicles; cause the hair to stand upright when activated.
8. Membrane that lines a cavity without an opening to the outside of the body (except for joint cavities).
10. The skin that covers the palms of the hands and the soles of the feet has an extra layer of epidermis called the stratum __________.
11. The deepest layer of the dermis is called the __________ layer.
12. The white crescent area located over the nail matrix is called the __________.
13. The part of a hair that projects from the surface of the scalp or skin is called the __________.
14. Layer of skin deep to the epidermis; composed of dense irregular tissue.
15. In a hair, the outermost single layer of cells that overlap one another like shingles is called the __________.
16. The white, cheesy-looking substance that is produced by the sebaceous glands and protects a baby's skin while it is floating in its water-filled sac inside the mother is called __________.
Down
1. Epidermal gland that produces sweat.
2. Serous membrane lining the interior of the abdominal cavity and covering the surfaces of abdominal organs.
3. The layer of the serous membrane that covers an organ is known as the __________ layer.
4. Two-layered serous membrane that lines the thoracic cavity and covers the external surface of the lung.
7. A cell that produces melanin.
9. Water-soluble protein found in the epidermis, hair, and nails that makes those structures hard and water-repellent.