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OB extra nuggets > histolology > Flashcards

histolology Flashcards

1
Q

what is structure A

A

elastin

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2
Q

structure labelled B is produed from protein molecules that form to form a

A

triple helix

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3
Q

component of ECM not elastin or collagen

A

proteoglycans

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4
Q

nucleus labelled labelled C is most likely an organelle within which cell type

A

fibroblast

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5
Q

immune cell found in loose connective tissue

A

mast cell

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6
Q

zones of bone epiphyseal plate

A

resting cartilage

zone of proliferation

zone of hypertrophy

zone of calcification

ossified bone

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7
Q

actin molecules form

A

thin filaments

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8
Q

label

A

1: sarcomere
2: H zone
3: actin
4: myosin
5: Z line
6: A band
7: I band
8: M line

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9
Q

method of growth of skeletal tissue

A

hypertrophy

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10
Q

fucntion of intercalated discs

A

electrical coupling

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11
Q

structure formed from myosin molecules

A

thick filament

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12
Q

does cardiac muscle have t tubules?

A

yes

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13
Q

epithelium type

A

keratinised squamous

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14
Q

purpose of skin squamous layer

A

protection

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15
Q

nerve ending 1

A

meissner

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16
Q

where do sensory nerve endings extend into

A

dorsal root ganglion

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17
Q

identify nerve ending

A

meissner

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18
Q

identify nerve ending

A

pacinian corpuscle

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19
Q

identify nerve ending

A

merkel

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20
Q

identyf nerve ending

A

ruffini

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21
Q

identufy nerve ending

A

free nerve ending

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22
Q

identify all nerve endings

A
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23
Q

component of conducting system to warm and humidfy air

A

conchae

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24
Q

type of epithelium in BRONCHIOLES

A

cuboidal

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25
Q

respiratory epithelium (trachea and bronchi)

A

pseudostratified columanr

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26
Q

cell responsible for gas exchange

A

type 1 pneumocyte

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27
Q

cell labelled 2 (in lung)

A

type 1 pneuomocyte

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28
Q

what is between pneumocytes and endothelial cells

A

fused basement membrane

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29
Q

function of blood air barrier

A

diffusion of gases

30
Q

main inactive thryoid product

A

t4

31
Q

parafollicular hormone

A

calcitonin

32
Q

mechanism of T3 action

A

nucelar receptors

33
Q

symptoms of hypothyroidism

A

cold intolerance, low basal metabolic rate

34
Q

3 renal cortex layers

A

glomerulosa, fasciluata, reticularis

35
Q

granulosa releases

A

aldosterone

36
Q

fasciculata release

A

cortisol (glucocorticoid)

37
Q

reticularis produces

A

androgens

38
Q

layer in follicle directly around oocyte

A

zona pellucida

39
Q

stages of cell division in oocytesn

A

fetal = arrested in prophase 1

in menstrual cycle = arrested in metaphase 2

fertilisation = meiosis finishes

40
Q

function of cells marked 2

A

secrete renin

cells of afferent arteriole

41
Q

label B

A

basement membrane

42
Q

label C

A

pedicels

43
Q

label D

A

podocyte

44
Q

type of collagen in basement membrane

A

type IV

45
Q

effect of podocyte damage

A

proteinuria

46
Q

identify tissue

A

mouth

big glands underneath = salivary glands

47
Q

identify tissue

A

stomach

obvious gastric pits into glands

48
Q

idenitfy tissue

A

large intestine

regular surface

obvious crypts of lieberkuhn, all at base next to basement membrane

49
Q

identify tissue

A

small intestine

villi very obvious

50
Q

identify tissue

A

oesophagus

obvious squamous epithelium

irregular base to attach to connective tissue

51
Q

what part of the GI tract does the epithelial lining invaginate into the mucosa

A

stomach

52
Q

principle hormone in stomach

A

gastrin

53
Q

method of image taken

A

freeze fracture TEM

54
Q

part of alimentary tract and labels

A

large intestine

55
Q

vein opposite to portal triad

A

central vein (into hepatic and then IVC)

56
Q

what is this and label

A

oesophagus

57
Q

what is this and label

A

oesophagus

58
Q

oesophagus - deep the epithelium are clusters of small rounded blue stained cells, what are they?

A

lymphocytes

59
Q

when do veins in the lower oesophagus become distended

A

porto systemic anastamosis, distend from an increase in blood pressure in the portal system

caused by liver disease

60
Q

what is this and label

A

stomach

61
Q

cell types label

A
62
Q

what is this?

A

stomach - gastric glands

63
Q

label

A

stomach, base of glands

64
Q

label - stomach

A
65
Q

what is this and label

A
66
Q

label junctional complexes

A
67
Q

what are plicae circularis

A

small intestine wall modification

folds of mucosa AND submucosa

transverse folds

68
Q

what is this and label

A

colon

69
Q

label crypt of colon

A
70
Q

what is this + label

A

appendix

OB extra nuggets (9 decks)

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