Tissue Connections

3. _____ are the rings of compact bone which surround the central canal.
5. _____ are specialized nervous cells that serve, protect, and support.
6. Hyaline cartilage is found in the ______.
7. Secretions are ____ by the body (hormones), while excretions are expelled from the body (waste, eggs, sperm).
8. The ____ in tissues are holes that hold chondroblasts in cartilage and osteoblasts in bone.
10. Hormones are secreted by glands made up of _____ tissue.
15. Mucus, whole cells, and _____ fluid are all types of secretions.
16. The two types of osseous tissue are spongy bone and _____ bone.
17. _______ membranes are found on the skin, while serous membranes are found in simple squamous epithelium (serous fluid), and mucous membranes lines passages leading outside the body.
18. Stratified squamous __________ cells provide waterproofing to skin.
19. Regeneration is the regrowth and repair of normal tissues, while fibrosis is the formation of _____ tissue.
20. Skeletal muscle is voluntary, while _____ and cardiac muscle are involuntary.
22. Embryonic stem cells are totipotent and pluripotent (able to become any cell), and adult stem cells are multipotent and ______ (limited to a few or one type of cell).

1. Intercalated discs are found in _____ tissue.
2. Differentiation is when unspecialized embryo tissues become specialized mature tissue, and _______ is when one type of mature tissue changes to another.
4. The types of connective tissues are fibrous connective tissue, ¬_____ connective tissue, adipose, supportive connective tissue, and fluid connective tissue.
5. Nervous tissue cells are called ____ and communicate by electrical and chemical signals.
9. Tight junctions prevent ____, while desmosomes prevent tearing, and gap junctions serve as tunnels.
10. Leukocytes are white blood cells, while _______ are red blood cells.
11. The _____ surface is touching the tissue underneath.
12. Merocrine is a mode of secretion which uses exocytosis (the cell throws up). What does the cell do in holocrine secretion?
13. Hyperplasia causes cell growth by increasing the number of cells through _______, while hypertrophy is an enlargement of cells, and neoplasia is tumor growth.
14. Cancaliculi in compact bone are used by lacunae to _______.
21. Exocrine is excreted, while endocrine is ______.