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PRINCIPLES > Histology > Flashcards

Histology Flashcards

1
Q

golgi apparatus function

A

transports vesicles of SER modifies secretions of SER

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2
Q

microfilaments composition and function

A

globular actin to form filamentous structure

move intracellular components

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3
Q

intermediate filaments function

A

structural integrity

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4
Q

microtubules - components

A

alpha and beta tubulin dimers

originate from centreosomes

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5
Q

function of dyenin and kinesin

A
  1. ATPase - moves to centre of cell

2. ATPase moves to cell periphery

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6
Q

RER or SER?

protein synthesis and glycoprotein formation

A

RER

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7
Q

RER or SER?
processes other’s products
lipid synthesis

A

SER

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8
Q

3 intracellular joints

A

occluding/tight
anchoring/desmosomes
communicating/gap

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9
Q

tight junctions

A

prevent diffusion
block out water and ions
e.g. in bladder, kidneys

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10
Q

desmosomes/anchoring junctions

A

give mechanical strength
submembrane attachments
cadherin + desmosomes
e.g. skin, intestines

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11
Q

gap junctions

A

molecule movement between cells
circular patch studded with pores
e.g. electrical coupling cells - cardiac cells, ICCs, neurons

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12
Q

H+E stain

A 
h = purple basic stain
e = pink acidic stain
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13
Q

H+E stain for:

nuclei
cytoplasm
muscle fibres
RBCs
Fibrin
A
  1. darkblue/black
  2. pink
  3. red
  4. orange/red
  5. deep pink
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14
Q

classification of shape

A

squamous
cuboidal
columnar

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15
Q

classification of layers

A

simple 1
stratisfied >1
pseudostratisfied - appers >1

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16
Q

examples of soft CT

A

tendons
ligaments
mesentery

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17
Q

examples of hard CT

A

bone

cartilage

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18
Q

bone at epiphysis

A

cancellous/trabecular

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19
Q

bone at diaphysis

A

outer cortical

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20
Q

uses of hyaline cartilage

A

articular surfaces
tracheal rings
costal
epiphyseal growth plate

21
Q

fibrocartilage examples

A

TMJ
intervertebral discs
pubic symphysis

22
Q

elastic cartilage examples

A

epiglottis

pinnae

23
Q

acstrocyte function

A

support + ion transport

24
Q

oligodendrocytes

A

myelin production

25
Q

microglia

A

immune surveillance

26
Q

Schwaan cells (PNS)

A

myelin production and axon support

27
Q

neuron connective tissue coat in…
CNS
PNS

A

meninges

epineurium

28
Q

GI Mucosa layers

A

epithelium
lamina propria
muscularis mucosae (SM)

29
Q

GI tissue layers

A

mucosa
submucosa
muscularis externae
serosa

30
Q

non-keratinised stratisfied squamous epithelium is…

A

protective mucosa

31
Q

simple columnar epithelium with villi and glands is…

A

absorptive mucosa

32
Q

simple columnar epithelium with extensive glands is…

A

secretory mucosa

33
Q

where would you find absorptive + protective mucosa

A

large intestine

34
Q

respiratory epithelium is

A

pseudostratisfied cuboidal ciliated epithelium

35
Q

arterial tunica

A

initima - simple squamous epithelium
media - SM
adventitia - supporting CT

36
Q

veins - thick or thin adventitia

A

thick

37
Q

types if capillaries

A

continuous
fenestered
sinusoidal

38
Q

continuous capillaries where:

A

muscle
nerve
lung
skin

39
Q

fenestrated capillaries where:

A

gut mucosa
endocrine glands
kidneys

40
Q

sinusoidal capillaries where:

A

liver, spleen, bone marrow

41
Q

capillary layers

A

endothelium and basal lamina

42
Q

what controls lymphatic system

A

hydrostatic pressure + compression

43
Q

5 types of leukocyte:

A 
neutrophils
eosinophils
basophils
monocytes 
lymphocytes
44
Q

neutrophils

A

granulocytes
inactive circulation
multi-lobed nucleus
pink granules

45
Q

eosinophils

A

released from marrow and circulate then move to tissue
bilobed
allergic reaction + parastiism

46
Q

basophils

A

bilobed nucleus - obscured by granules
largest circulatinf cell
in CT
e.g. kupffer cells in liver

47
Q

lymphocytes

A

round nucleus, thin cytoplasm rim

B and T cells and NKCs

48
Q

monocytes

A

horseshoe nucleus
groundglass cytoplasm
phagocytosis, antigen presenting, cytokine producing

PRINCIPLES (11 decks)

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