Histology

Question 1

golgi apparatus function

Answer 1

transports vesicles of SER modifies secretions of SER

Question 2

microfilaments composition and function

Answer 2

globular actin to form filamentous structure

move intracellular components

Question 3

intermediate filaments function

Answer 3

structural integrity

Question 4

microtubules - components

Answer 4

alpha and beta tubulin dimers

originate from centreosomes

Question 5

function of dyenin and kinesin

Answer 5

1. ATPase - moves to centre of cell

2. ATPase moves to cell periphery

Question 6

RER or SER?

protein synthesis and glycoprotein formation

Answer 6

RER

Question 7

RER or SER?
processes other’s products
lipid synthesis

Answer 7

SER

Question 8

3 intracellular joints

Answer 8

occluding/tight
anchoring/desmosomes
communicating/gap

Question 9

tight junctions

Answer 9

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

Question 10

desmosomes/anchoring junctions

Answer 10

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

Question 11

gap junctions

Answer 11

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

Question 12

H+E stain

Answer 12

h = purple basic stain
e = pink acidic stain

Question 13

H+E stain for:

nuclei
cytoplasm
muscle fibres
RBCs
Fibrin

Answer 13

1. darkblue/black
2. pink
3. red
4. orange/red
5. deep pink

Question 14

classification of shape

Answer 14

squamous
cuboidal
columnar

Question 15

classification of layers

Answer 15

simple 1
stratisfied >1
pseudostratisfied - appers >1

Question 16

examples of soft CT

Answer 16

tendons
ligaments
mesentery

Question 17

examples of hard CT

Answer 17

bone

cartilage

Question 18

bone at epiphysis

Answer 18

cancellous/trabecular

Question 19

bone at diaphysis

Answer 19

outer cortical

Question 20

uses of hyaline cartilage

Answer 20

articular surfaces
tracheal rings
costal
epiphyseal growth plate

Question 21

fibrocartilage examples

Answer 21

TMJ
intervertebral discs
pubic symphysis

Question 22

elastic cartilage examples

Answer 22

epiglottis

pinnae

Question 23

acstrocyte function

Answer 23

support + ion transport

Question 24

oligodendrocytes

Answer 24

myelin production

Question 25

microglia

Answer 25

immune surveillance

Question 26

Schwaan cells (PNS)

Answer 26

myelin production and axon support

Question 27

neuron connective tissue coat in... CNS PNS

Answer 27

meninges | epineurium

Question 28

GI Mucosa layers

Answer 28

epithelium lamina propria muscularis mucosae (SM)

Question 29

GI tissue layers

Answer 29

mucosa submucosa muscularis externae serosa

Question 30

non-keratinised stratisfied squamous epithelium is...

Answer 30

protective mucosa

Question 31

simple columnar epithelium with villi and glands is...

Answer 31

absorptive mucosa

Question 32

simple columnar epithelium with extensive glands is...

Answer 32

secretory mucosa

Question 33

where would you find absorptive + protective mucosa

Answer 33

large intestine

Question 34

respiratory epithelium is

Answer 34

pseudostratisfied cuboidal ciliated epithelium

Question 35

arterial tunica

Answer 35

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

Question 36

veins - thick or thin adventitia

Answer 36

thick

Question 37

types if capillaries

Answer 37

continuous fenestered sinusoidal

Question 38

continuous capillaries where:

Answer 38

muscle nerve lung skin

Question 39

fenestrated capillaries where:

Answer 39

gut mucosa endocrine glands kidneys

Question 40

sinusoidal capillaries where:

Answer 40

liver, spleen, bone marrow

Question 41

capillary layers

Answer 41

endothelium and basal lamina

Question 42

what controls lymphatic system

Answer 42

hydrostatic pressure + compression

Question 43

5 types of leukocyte:

Answer 43

``` neutrophils eosinophils basophils monocytes lymphocytes ```

Question 44

neutrophils

Answer 44

granulocytes inactive circulation multi-lobed nucleus pink granules

Question 45

eosinophils

Answer 45

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

Question 46

basophils

Answer 46

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

Question 47

lymphocytes

Answer 47

round nucleus, thin cytoplasm rim | B and T cells and NKCs

Question 48

monocytes

Answer 48

horseshoe nucleus groundglass cytoplasm phagocytosis, antigen presenting, cytokine producing