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Flashcards in Chapter 5 Deck (47)
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1

Tissues

a group of similar cells that arise from the same region of the embryo

2

What are the 3 germ layers?

ectoderm
mesoderm
endoderm

3

outer membrane

ectoderm

4

what does the ectoderm give rise to?

epidermis & nervous system

5

inner membrane

endoderm

6

what does the endoderm give rise to?

mucous membrane lining

7

middle layer

mesoderm

8

what does the mesoderm give rise to?differentiate into?

-muscle, bone, & blood
-mesenchyme

9

what are the four types of tissue?

epithelial
connective
muscular
nervous

10

epithelial tissue (4)

-flat sheets
-covers body surface
-allow no room for blood vessels
-lie on layer of loss connective tissue

11

layer between an epithelium & underlying connective tissue

basement membrane

12

surface of an epithelial cell that faces the basement membrane; separates from connective tissue

basal surface

13

surface of an epithelial cell that faces away form the basement membrane

apical

14

simple epithelium (2)

one layer
all cells touch basement membrane

15

stratified (2)

two or more layers
some cells rest on other cells

16

pseudostratified

looks stratified, but is really simple (every cell reached the basement membrane)

17

thin & scaly

squamos

18

square or round

cuboidal

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tall & narrow

columnar

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mucus secreting cells

goblet cells

21

who produces the basement membrane

epithelial cells & connective tissue cells

22

when the cells that line an epithelium are ciliated, the epithelium is always _____

simple

23

connective tissue (4)

-cells usually occupy less space than extracellular material
-binds organs to each other
-not in direct contact with each other
-most abundant & widely distributed

24

Types of connective tissue (4)

-loose
-adipose
-dense regular
-dense irregular

25

loose connective tissue types (2)

areolar
reticular

26

most adundant
tough & resist stretching
produce tendons & ligaments

collagen

27

thin coated with glycoprotein
form framework of organs

reticular

28

thin & branched
allows stretch & recoil

elastic

29

purpose of dense connective tissue

fibers fill spaces between cells

30

tissue in which adipocytes are the dominant cell type

adipose tissue