Tissues Flashcards

1
Q

Functions of Squamous cells

A

absorption and diffusion

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2
Q

Example of squamous cell

A

air sacs

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3
Q

Function of cuboidal and columnar cells

A

absorbs nutrients and produces secretion

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4
Q

Stratified

A

One layer of cells

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5
Q

Whats attached to the basement membrane

A

Basal laminar

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6
Q

Whats attaches to glands and contracts

A

Myoepithelial cells

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7
Q

Stomach lining mad up of

A

simple columnar cells

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8
Q

One layer with different shapes and sizes (looks multilayered)

A

pseudo-stratified

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9
Q

Mucus gland rich in

A

Proteoglycans

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10
Q

Proteoglycans absorb water and from

A

Mucus

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11
Q

Is epithelium vascular?

A

No is avascular (no blood supply)

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12
Q

Is muscle cells vasculated?

A

Yes

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13
Q

What do intercalated discs do in Cardiac muscle

A

pass electrical signal

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14
Q

Where is muscle tissue located

A

Skeletal, smooth, and cardiac

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15
Q

What is present in muscle fibres

A

Myosin and actin

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16
Q

What aids muscle tissue high demand

A

Swamped with mitochondria

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17
Q

Where is nervous tissue found

A

Grey matter in the CNS

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18
Q

What is cilla composed of (and arrangement)

A

tubulin (9 + 2 arrangment)

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19
Q

Example of what microvilli absorbs

A

Products of digestion

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20
Q

Example of role of cillia

A

Move fluid lining in the lung

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21
Q

Function of Glands

A

Secreting and absorbing epithelial cells

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22
Q

Multicellular gland

A

Liver

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23
Q

What does serous gland secrete (example)

A

watery secretion rich in propers e.g. digestive enzymes

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24
Q

Different epithelial cell arrangement called

A

transitional

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25
pseudo-stratified columnar epithelium located
Trachea
26
Why are gap junctions important in the heart
allow cells to contract together
27
Functions of tight junctions
Seals intracellular spaces and waterproof
28
Whats allows adhering and maintain integrity of epithelia cells
Desmosomes Junctions
29
Whats stronger desmosome junctions or tight junctions
desmosomes
30
What does every cell make contact with
basal laminar
31
what do hemidesmosomes do
attach cell to ECM
32
Small bundled up gland closer to the surface
Acinar
33
Long gland further away from the surface
Tubular
34
Mucus gland more likely to be acinar or tubular
acinar
35
myoepithelial cells more likely to be found on cells secreting
mucus (thick secretions)
36
Whats stored in vesicles of endocrine glands
Proteins
37
Example of endocrine gland and its secretion
Pancreatic islets and insulin
38
Endocrines secrete into blood vessels by what process
exocytosis
39
Why are epithelia tissues arranged in rows between blood vessels in the Liver
Maximise blood flow
40
Epithelium line what is digestive system
Bial ducts and Blood vessels
41
Epithelium cells line what in Kidney
Blood vessels and renal pelvis
42
Under proliferation and over proliferation of pituitary gland cause what abnormal functions
dwarfism and gigantism
43
Over secretion of mucus gland in uterine tube can cause
in-fertilisation as eggs can't move
44
What is connective tissue made up of (2 main components)
ECM and proteins
45
Examples of connective tissue
Blood, Bone, adipose, cartilage, proper
46
ECM composed of
Ground substance and fibre matrix
47
Connective tissue proper is either
loose or dense
48
Areolar connective tissue function
spongy layer holds intracelular fluid, and protection as where macrophages, mast cells and white blood cells
49
Loose connective tissue 3 types
Areolar, reticular and adipose
50
Function of adipose and example
required to protect your organs and help maintain your body temperature e.g. fat
51
Function of reticular and example
Forms the soft internal skeleton of something e.g. spleen and lymphoid organs
52
Where is areolar connective tissue widely disrupted
under epithelia of the body
53
Three Dense connective tissues
Regular, Irregular and elastic
54
Dense connective tissue has what more of what compared to loose, and connective tissue has more
collagen fibres, ground substance
55
Protein fibres of ECM
collagen, reticular and elastic
56
Difference between dense regular (e.g.) and irregular (e.g.)
Dense regular only pulls in one direction e.g. tendon where irregular allows movement in different directions e.g. shoulder
57
Dense Regular collagen fibres compared with Dense Irregular
Regular colagen fibres arranged parallel,
58
Where do cells in Connective tissue mostly secrete
Into ECM
59
Cells in connective tissue
Macrophages, WBC, fibroblasts, mast cells, adipose cells, osteoblasts,
60
Best example of loose connective tissue
blood
61
Loose compare to dense have
less fibres and more ground substance
62
All connective tissue develop from
Mesenchyme (undeveloped loose connective tissue)