internal surfaces Flashcards

1
Q

name the three parts of a mucous membrane

A

the epithelium lining the lumen
the connective tissue - lamina propria
muscularis mucosae - smooth muscle - in alimentary tract

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2
Q

lining of alimentary canal

A

mucosa
submucosa
external muscle layers
serosa

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3
Q

mucosa of gut wall three layers

A

epithelium
lamina propria - may have lymphocytes or mucosal gland
muscularis mucosae

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4
Q

submucosa of gut wall composition

A
connective tissue
glands 
arteries 
veins 
nerves 
not a rigid layer and may have glands that produce secretory products into lumen.
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5
Q

muscular external of gut wall two layers

A

inner circular layer

outer longitudinal layer - cigar shaped flat nuclei

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6
Q

serosa of gut wall

A

simple sqamous epithelium called the mesothelium
and a thin layer of connective tissue

maybe arteries, veins and nerves inbetween in mesentery

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7
Q

lining of oesophagus mucosa

A

epithelium - pseudostratified
lamina propria - loose connectiv etissue with blood and lymph vessels, some smooth muscle and some immune cells.
muscularis mucosae - thin layer of smooth muscle cells

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8
Q

submucosa of oesphagus

A

connective tissue with mucus secreting glands

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9
Q

muscularis externa of oesophagus

A

smooth muscle layer

with inner circular layer and outer longitudinal layer

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10
Q

outer surface of oesophagus

A

adventitia - thin connective tissue

no serosa

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11
Q

lining of stomach

A
gastric mucosa 
muscularis mucosae 
submucosa 
muscularis externa 
ruge - foldings
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12
Q

lining of jejunum

A

jejunal mucosa - simple columnar epithelium, lamina propria, muscular mucosae
submucosa
muscularis externa
permanent plicae circulares with vili and micro vili to increase sa.

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13
Q

lining of large intestine

A
muscularis muclosea - simple columnar epithelium of the crypts of leiberkuhn 
lymphoid tissue
muscosa 
submucosa 
muscularis externa
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14
Q

tracheal wall

A

epithelium - pseudostraftified ciliated
lamina propria - with elastic fibres
submucosa with seromuscous glands (serous darker stained)
c shaped cartilage

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15
Q

bronchus lining

A
epithelium - pseudostratified  ciliated 
smooth muscle 
submucosa wiht glands 
complete rings of cartilage 
may see vein/ artery
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16
Q

lining of bronchiole

A

epithelium - simple columnar ciliated
smooth muscle
alveoli - no cartilage

17
Q

alveoli

A

type 1 squamous cells
type 2 cuboidal cells to produce surfactant.
many macrophages

18
Q

lining of ureter

A

transitional epithelium
lamina propria - fibroelastic
no submucosa
muscularis externa

19
Q

where do mucous membranes line?

A

internal tubes that open to the exterior

20
Q

lining of bladder

A

transitional epithelium
smooth muscle of lamina propria
muscularis external
penile ureth

21
Q

lining of urethra

A

transitional epi
lamina propria muscularis
adentura
penile uretra is stratifed columnar epitheleium

22
Q

what are serous membranes

give the two layers

A

two part membranes that line certain closed body cavities

simple squamous epithelium (mesothelium)
thck layer of connective tissue that attached the eipthelium ot adjacent tissues

23
Q

serous membrane of pericardial sac

A

parietal serosa of pericardium
visceral serosa of pericardium
(lubricating fluid inbetween)

24
Q

serous membrane of pleural sac

A

parietal pleura

visceral pleura

25
Q

serous lining of peritoneum

A

parietal peritoneum

visceral peritoneum

26
Q

mesentery

A

a strand of serous lining that folds back

27
Q

components of a serous membrane and where are they?

A
simple squamous eptihelia - mesothelium - secretes lubricant 
connective tissue (with nerves and vessels) 

line closed body cavities e.g. peritoneum, pleural and pericardial

28
Q

components of a serous membrane

A
simple squamous eptihelia - mesothelium - secretes 
connective tissue (with nerves and vessels)
29
Q

where are mucous membranes and what do they consist of?

A

internal tubes that open to the exterior - alimentary, respiratory and urinary tract

epithelium
connective tissue (lamina propria)
smooth muscle - muscularis mucosae in the alimentary tract

30
Q

what does mucosa / mucosae?

A

a mucous membrane plural and singular

31
Q

what does serosa and serosae mean?

A

serous membrane plural and singular