5.1 – The Study of Tissues

Question 1

tissue (def)

Answer 1

group fo similar cells and cell products that arise from the same region of the embryo and work together to perform a specific structural or physiological role in an organ

Question 2

4 primary tissues

Answer 2

epithelial
connective
nervous
muscular

Question 3

matrix (def)

Answer 3

aka extracellular material
surrounds the cell

Question 4

epithelial tissue (def)

Answer 4

tissue composed of layers of closely spaced cells that:
cover organ surfaces
form glands
serve for protection, secretion, and absorption

Question 5

epithelial tissue (location)

Answer 5

epidermis
inner lining of digestive tract
liver and other glands

Question 6

connective tissue (def)

Answer 6

tissue w/ usually more matrix than cell volume
often specialized to support and protect organs
and binds tissues and organs to each other

Question 7

connective tissue (location)

Answer 7

tendons and ligaments
cartilage and bone
blood

Question 8

nervous tissue (def)

Answer 8

tissue containing excitable cells specialized for rapid transmission of coded information to other cells

Question 9

nervous tissue (location)

Answer 9

brain
spinal cord
nerves

Question 10

muscular tissue (def)

Answer 10

tissue composed of elongated, excitable muscle c ells specialized for contraction

Question 11

muscular tissue (location)

Answer 11

skeletal muscles
heart (cardiac muscle)
walls of viscera (smooth muscle)

Question 12

matrix is composed of…

Answer 12

fibrous proteins and a clear gel known as ground substance/tissue fluid/extracellular fluid (ECF), or interstitial fluid

Question 13

ground substance (def)

Answer 13

clear gel in matrix

contains water, gases, minerals, nutrients, wastes, hormones, and other chemicals

cells obtain their oxygen, nutrients, and other needs from ground substance

cells release metabolic wastes, hormones, and other products into ground substance

Question 14

the extracellular material of a tissue is called the ___

Answer 14

matrix

Question 15

___ fluid is any body fluid that is not contained in the cells

Answer 15

extracellular

Question 16

ground substance is best described as what?

Answer 16

the clear gel portion of the matrix

Question 17

in histology, a very thin slice of a tissue is referred to as what?

Answer 17

a histological section

Question 18

what is a group of similar cells that performs some discrete function w/in an organ described as?

Answer 18

tissue

Question 19

what is the extracellular material of a tissue called?

Answer 19

matrix

Question 20

the tissue found covering body surfaces, lining body cavities, forming the internal and external linings of many organs, and constituting most gland tissue is ___ tissue

Answer 20

epithelial

Question 21

interstitial fluid is the matrix material located ___ the cells

Answer 21

outside

Question 22

extracellular fluid, interstitial fluid, tissue gel, and tissue fluid are all different names for what term?

Answer 22

ground substance

Question 23

a tissue found at surfaces, composed of one or more layers of closely adhering cells, is called ___ tissue

Answer 23

epithelial

Question 24

what is a histological section?

Answer 24

a thin slice of tissue prepared for microscopic observation