Histology & Tissue Organization

Question 2

4 types of tissues:

Answer 2

1) epithelial
2) connective
3) nervous
4) muscle

Question 3

What tissue lines body surfaces and cavities? It is also the lining of organs and in many of the glands.

Answer 3

epithelial

Question 4

Which tissue has high regeneration capability and has continual replacement?

Answer 4

epithelial

Question 5

________________ tissue is composed of one or more layers of closely packed cells that form a barrier between two compartments having different components.

Answer 5

Epithelial

Question 6

TRUE OR FALSE

little to no extracellular matrix in epithelial cells

Answer 6

true

Question 7

Doe blood vessels penetrate the epithelium?

Answer 7

NO (avascular)

Question 8

What are the 4 purposes/functions of epithelial tissue?

Answer 8

1. protection
2. regulation of materials into and out of the organ or tissue
3. detect changes in the external environment
4. Make up glands that produce secretions (endocrine v. exocrine)

Question 9

Which tissue type provides communication with the CNS?

Answer 9

epithelial

Question 10

What type of glands contain duct systems and secrete materials onto the surface of skin?

Answer 10

EXOcrine

Question 11

What are types of glands?

Answer 11

simple (unbranched) and compound (branched)

Question 12

What are types of ducts in glands?

Answer 12

tubular (uniform in diameter) and acinar (pear/bulb shaped)

Question 13

Secretion types (exocrine)

Answer 13

1) serous
2) mucus
3) mixed

Question 14

____________ glands produce and secrete a nonviscous, watery fluid, such as sweat, milk, tears, or digestive juices.

Answer 14

Serous

Question 15

___________ glands secrete mucin, which forms mucus when mixed with water

Answer 15

Mucus

Question 16

_________ glands contain both serous and mucus cells, and produce a mixture of the two types of secretions.

Answer 16

Mixed

Question 17

What are the three types of secretion?

Answer 17

merocrine (salivary)
holocrine (sebaceous/oil gland)
apocrine (mammary gland)

Question 18

What involves producing the secretion within the cells and secreted into space (produced and released)?

Answer 18

merocrine gland

Question 19

Which method of secretion involves the cell being the secretion?

Answer 19

holocrine gland

Question 20

Which secretion method involves portion of the cell being released/secreted?

Answer 20

apocrine

Question 21

Which tissue involves:
* most diverse, abundant, widely distributed, and microscopically variable of the tissues
* support, protect, and bind organs
* binds body structures together

Answer 21

connective

Question 22

What are the functions of connective tissue?

Answer 22

1. Protection
2. Support and structural framework
3. Binding of structures
4. Storage
5. Transport
6. Immunity

Question 23

What are the 3 basic components of connective tissue?

Answer 23

1. cells
2. protein fibers
3. ground substance

Question 24

What are the cell components of Connective Tissue?

Answer 24

Connective Tissue = fibroblasts Adipose Tissue = adipocytes Cartilage = chondrocytes
Bone = osteocytes

Question 25

What are the 3 types of protein fibers in connective tissue?

Answer 25

1. collagen fibers (strong and stretch resistant) 2. elastic fibers (flexible and resilient) 3. reticular fibers (form an interwoven framework)

Question 26

Cells and protein fibers reside within a material are called _________________________.

Answer 26

ground substance

Question 27

ground substance is _________________ material produced by the connective tissue cells.

Answer 27

nonliving

Question 28

Ground connective tissue primarily consists of molecules composed of protein and carbohydrate and variable amounts of ___________.

Answer 28

water

Question 29

Ground substance can be viscous (________________), semisolid (_____________________) or solid (______).

Answer 29

blood cartilage bone