Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

102 > tissues > Flashcards

tissues Flashcards

1
Q

physical properties of epithelial tissue

A
  • Densely arranged layers with fine spaces
  • Sheet like arrangements (glands)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Types of epithelial tissue

A

Membranous, glandular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does membranous epithelial tissue do?

A

Lines the blood vessels, lymphatic vessels, respiratory tract, digestive tract (oesophagus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does glandular epithelium do?

A

Follicles in endocrine and exocrine glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are 5 functions of epithelial tissue?

A
  • Protection- skin
  • Absorption- epithelium of gut and lungs
  • Excretion- waste in kidneys
  • Secretion- hormones
  • Sensory- ear, nose, eye, skin
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is found in the spaces between epithelial cells?

A

Interstitial fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Describe interstitial fluid.

A

Fluid which helps to bring oxygen and nutrients to cells and remove waste.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What connects epithelial tissue and connective tissue?

A

The basement membrane.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the function of the basement membrane

A

To feed epithelial cells.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are some types of epithelium?

A

Squamous, cuboidal, columnar, transitional, (simple, stratified)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the extracellular matrix

A

the outer shell of mammalian cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

are epithelial cells high or low in ECM?

A

low-tightly packed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Are connective tissues high or low in ECM?

A

high- loosely packed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are some types of ECM?

A
  • proteinaceous fibres
  • mineralised crystals
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what does the phospholipid bilayer do?

A

surround, support, give structure to cells and control entry and exit of waste and nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe collagen.

A

the most abundant structural protein fibre, a triple helix of collagen fibres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the structure of elastin?

A

Random coil formations that can be easily stretched- held together by microfilaments.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is connective tissue mostly made up of?

A

ECM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does connective tissue do?

A

Connects tissues to each other

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are the two main types of connective tissue?

A
  • Fibrous connective tissue
  • Blood
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Connective tissue is the human version of what?

A

The cytoskeleton

22
Q

What are some types of fibrous connective tissue?

A
  • loose
  • dense irregular
  • dense regular
  • reticular (bone marrow)
  • Adipose (fat)
23
Q

What are some types of ‘blood’ connective tissue?

A
  • Bone
  • Cartilage
24
Q

What are some additional types of connective tissue?

A

Bone, muscle, nervous tissue

25
Q

Describe loose fibrous connective tissue.

A

The most commonly distributed type in the body, like an elastic glue- hyaluronic acid (formed by fibroblasts)

26
Q

What are the two types of dense fibrous connective tissue?

A
  • Regular
  • Irregular
27
Q

What does dense fibrous connective tissue have few of?

A

Fibroblasts

28
Q

What is the arrangement of irregular dense fibrous connective tissue?

A

Forms a tough mat ie dermis of skin, outer layer of muscles

29
Q

What is the arrangement of regular dense fibrous connective tissue?

A

mainly collagen (tendons) or elastin bundles (arteries)

30
Q

Why is blood a unique connective tissue?

A

It is a liquid

31
Q

What are the main functions of blood?

A
  • Transport of gas, nutrients, waste
  • Homeostasis of temp, glucose, pH
  • Defence (immune system to destroy invaders)
32
Q

How and where is blood formed?

A

Haemotopoiesus in the red bone marrow

33
Q

What organelles do red blood cells have?

A

ribosomes, mittochondria, no nucleus (they are mainly haemoglobin)

34
Q

What makes red blood cells flexible?

A

Their spectrin fibre cytoskeleton

35
Q

What is it called when there are too few red blood cells?

A

Anaemia

36
Q

What is it called when there are too many red blood cells?

A

polycythemia

37
Q

What do red blood cells have on their surface?

A

Antigens

38
Q

What does plasma have?

A

Antibodies

39
Q

What forms the basis for ABO blood groupings?

A

Antigens on RBCs and Antibodies in plasma.

40
Q

What will incompatible blood transfusions result in?

A
  • Agglutination (clumping)
  • Possibly death
41
Q

Describe type A blood.

A
  • A antigens on RBCs
  • B antibodies in plasma (attack B antigens)
42
Q

Describe type B blood.

A
  • B antigens on RBCs
  • A antibodies in plasma (attack A antigens)
43
Q

Describe type AB blood.

A
  • Both A and B antigens on RBCs
  • No antibodies in plasma- dont attack!
44
Q

What is type AB blood also referred to as?

A

Universal acceptor.

45
Q

Describe type O blood.

A
  • No antigens on RBCs
  • Both A and B antibodies in plasma- attacks A and B!
46
Q

What is type O blood also referred to as?

A

Universal donor.

47
Q

What is the significance of blood clotting (coagulation)

A
  • Plugs leaks in blood vessels
  • Can isolate and trap invaders
48
Q

Why must blood clotting be controlled?

A

Conditions such as deep vein thrombosis (clot in deep vein ie leg) can occur, clot can become dislodged and move to lungs-death

49
Q

What are responsible for blood clotting?

A

platelets

50
Q

How does a blood clot form?

A

Thrombin (clotting enzyme) -> fibronigen -> fibrin

102 (19 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions