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Renal Physiology & renal disease overview, Study notes of Pathology

Renal Physiology & renal disease overview

Typology: Study notes

2022/2023

Available from 12/29/2023

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Nephron
<
Excretory
part
:
metanephric
mesenchy
set
part
:
weteric
bed
↳
connecting
tubule
+
collecting
duct
+
weter
+
calyces
+
pelvis
Kidney
S
-
Tubules
&
interstiti
a
7
-
>
T
-
>
glomerulus
7
Vascular
*
Proxima
tubate
function
:
(cuboidal
,
↑
Mitochondria
,
villi)
&
↳
water
-
>
intercellular
space
(passive
process
SALT-2-secondary
active
transport
ā‘­
site
of
acute
tubular
injury
(ATi)
<*
&
demand
a
supply
↓
ischemia
,
sepsis/drugs
.
pf3
pf4
pf5

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Nephron

<

Excretory

part

:

metanephric

mesenchyset

part

: weteric bed

connecting

tubule +

collecting

duct

weter +

calyces

pelvis

Kidney

S

Tubules & interstitia

  • 7

T

glomerulus

7

Vascular

Proxima

tubate

function

:

(cuboidal

,

↑ Mitochondria

,

villi)

&

water

intercellular

space

(passive process

SALT-2-secondary

active

transport

ā‘­

site

of

acute tubular

injury

(ATi)

<*

& demand

a

supply

↓

ischemia ,

sepsis/drugs

Ā·

Intermediate Tubule

permeable

to 10

Ā· Thick

Ascending

(OH

Nak'Cr

transport

and

m

site

for

ATI

.

Types

of

nephron

:

05 %

/p

of

Lo a

junction of

OM

and in

a

Juxtamedullary

: 15 %

(tip

of

LOH inside

im)

  • Macula

Densa

--

modified

Tall

Columnar

cells

of

DCT

buloglomerular feedback

Macla

Messa

sense

tubula

na

⑦

Renin

release

release denosine

contraction

of afferent

acterials

↓

decrease GFR

↓

serum creatinine

(findings)

Ā·

if

load

decrease

Adenosine

afferent

dilation

Renie

I

efferent

constriction GFR

.

Remin

stimulus

hypo

perfusion a

PaEz/Pais

AT

, receptor

Efferent

A In SKD

no

of

nephson

decreases

to maintain GFR

glomeruli undergoes hyberfiltration

.

I

intraglomeras

GIN

Capillary pare

size I

if

Etinuria

  • Tubulotoxic

↓

#PROTEINURIA

interstitia inflammatio a

--p-

fibrosis

150

mg/day

protein

in misse

-> Tamm

Horsfall

mucoprotein

(Uromodulin)

produced

by

thick

ascending

LOM

microalbuminuria

30-300mg/day

L

diabetic

glomerular

disease

types

v Tubular

p

.

(due

to tubula interstitium dis

Fo

eflow p

.

(a production

multiple

myeloma

,

Rhabdomyolysis

Ā·

glomerular

p.

physi

fee

exe an

ATURiA

gross

.

/microscopic

<

3 RBC/ per field)

Blood

during

intually voiding

Metha cause

Blood

during voidingI

full

time

  • Bladder on above

Blood

during

end

of voiding

prostate

/

Bladder Base

Glomerular

do

Cola

coloured

wine

Renal

pelvis/lower

UT -

Pink/red

alw

pain

:

Uti

,

pyelonephritis

,

renal calculus

costo-vertebral

tenderness

ApoSyndromes)

family history

Ā·

presence

of

RBC cast

Bleeding from

Kidney (often-glomerulonephritis)

Ā·

acanthocytes

in

Urine -

ds

of

glomerular

origin

Ā·

uniform

RBC

lower

UT

Ā·

clumps of

RBL

lower UT

.

Minary

Tract

<Upper

/

Kidney

,

uta

Prostate)

ā‘ 

Capillary

Endothelium :

endothelium covered

by

glycocalyx

(negative

Y change

invey

(A)

no

proteinuria

B

microhematuriaSEN

ā‘”

SBM

:

-silver

mason's trichome

stain

Type

I

collagen

at birth

: <

,

4

,

42

after

birth

<*

43yX5-GBM

, Cochlea Br

,

Ocula BM

Skin BM , Tubulal

BM

.

Alport

syndrome

/80 (linked

Skinimmunofluoroscence

defet

a