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Flashcards in Chapter 5 Deck (47)
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1
Q

Tissues

A

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

2
Q

What are the 3 germ layers?

A

ectoderm
mesoderm
endoderm

3
Q

outer membrane

A

ectoderm

4
Q

what does the ectoderm give rise to?

A

epidermis & nervous system

5
Q

inner membrane

A

endoderm

6
Q

what does the endoderm give rise to?

A

mucous membrane lining

7
Q

middle layer

A

mesoderm

8
Q

what does the mesoderm give rise to?differentiate into?

A
  • muscle, bone, & blood

- mesenchyme

9
Q

what are the four types of tissue?

A

epithelial
connective
muscular
nervous

10
Q

epithelial tissue (4)

A
  • flat sheets
  • covers body surface
  • allow no room for blood vessels
  • lie on layer of loss connective tissue
11
Q

layer between an epithelium & underlying connective tissue

A

basement membrane

12
Q

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

A

basal surface

13
Q

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

A

apical

14
Q

simple epithelium (2)

A

one layer

all cells touch basement membrane

15
Q

stratified (2)

A

two or more layers

some cells rest on other cells

16
Q

pseudostratified

A

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

17
Q

thin & scaly

A

squamos

18
Q

square or round

A

cuboidal

19
Q

tall & narrow

A

columnar

20
Q

mucus secreting cells

A

goblet cells

21
Q

who produces the basement membrane

A

epithelial cells & connective tissue cells

22
Q

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

A

simple

23
Q

connective tissue (4)

A
  • 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
Q

Types of connective tissue (4)

A
  • loose
  • adipose
  • dense regular
  • dense irregular
25
Q

loose connective tissue types (2)

A

areolar

reticular

26
Q

most adundant
tough & resist stretching
produce tendons & ligaments

A

collagen

27
Q

thin coated with glycoprotein

form framework of organs

A

reticular

28
Q

thin & branched

allows stretch & recoil

A

elastic

29
Q

purpose of dense connective tissue

A

fibers fill spaces between cells

30
Q

tissue in which adipocytes are the dominant cell type

A

adipose tissue

31
Q

what is the body’s primary energy reservoir

A

fat

32
Q

cell junctions

A

connections between one cell & another

33
Q

how are cells anchored to each other or their matrix

A

intercellular junctions

34
Q

tight junction (2)

A
  • adjacent cells are bound by fusion of the outer phospholipid layer of membrane
  • seals off intercellular space
35
Q

desmosomes (2)

A
  • patch that hold cells together

- serves to keep cells from pulling apart

36
Q

gap junction

A

communicating junction

37
Q

cell or organ that secretes substances for use elsewhere in the body

A

gland

38
Q

product useful to the body

A

secretion

39
Q

waste product

A

excretion

40
Q

types of glands (2)

A

endocrine

exocrine

41
Q

maintain their contact with body surface via a duct

A

exocrine

ex.sweat, tears, mammary

42
Q

lose their contact with the surface and have no duct

A

endocrine

ex. thyroid, pituitary

43
Q

where do exocrine/endocrine secrete

A

products into a duct/ hormones into the blood

44
Q

modes of secretion (3)

A

merocrine
apocrine
holocrine

45
Q

use vesicles that release their secretion by exocytosis

A

merocrine

46
Q

lipid droplet covered by membrane & cytoplasm bud

A

apocrine

47
Q

cells accumulate a product until they disintegrate

A

holocrine