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The development of the excretory system in humans, focusing on the development of the midgut loop and the kidneys. It explains the rotation of the midgut loop and the formation of the duodenum. It also describes the development of the kidneys from the nephrogenic cord to the metanephros and the formation of the renal glomerulus. The document ends with the development of the urinary bladder and the absorption of the mesonephric duct.
Typology: Lecture notes
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DuDclenuum oluwelops Luom 2 sowLues ie, oluod 0ug
bolo l^ opunng^ oGBD^ algng
tlue wit 3rd f A4 pasut dauuap
duut Lom DGUT
deutlops Kom FtxEGUT 1SE (^) - fo bd
CBD 2nd (^) iun
At 3d (^) lundenal bop
Dueloptug
wau by maundy Mespduo denum
CLDekuu suotaliOu of Stomaeu to let makes^ duoclenum^ Loep^ t
Moe w uqur &ide
becomLs
AUAb (^) peubnea extept a^ Smau^ PAorimal paf Qf^
duoalenum niaal
Tus pout appeas as aA shadow the cluodunal lap u
Prouaion o ndoluumal^ teils^ oblitetate^ the^
uMen (^) e dLUDdonum
by &th week
Paxt o4 duodenum deueloped Hom jeutgt Suppued by- beliac A
M\dgut Superlor Mantuie A
wica Duoolunal stenosls
Du to intomplete Recan aus ation^ of lumen
failute (^) of RecanalsotlLon^
lomplot Oceuuion^ a Lumtn
X
Rotation of Gut LMidqut loup
Duing tue^ 61h^ week^ ef^
heunicutes (^) thaougtu
umbilftal openin9^ to^ ente^ uutd^
the (^) extrLembeyoinic Coelo m.^.
Physiologf cal uibitical
Heunfa
OcL due^ to^ saptd^ quwth^ o^ midqud^
L0op 4
enlaugement o liver^ at^ sáme^
time that^ maKas^ ab^ do^ rmuual
CavHy +emporari^ ly^ too (^) smo u to^ auDmodti^ op
Roiation O4 9ut ouus to help teluun hetrintd instetinal
ldop bauk to abdo minal Causiy'. Lat the End of Brd Morth
Pre ariei^ al^ tProximal) by Aupeuior Muui
asctu
Midqut is divi ded into Postcsteiial
Sup MesentricA
Prearterial
Vttiline- dud Cuecal ostartekial Seg Bud (^) (Coudal part)
Beyore (^) Aotation :Prearlerial^ Seq. t (^) Sup (^) Mekentric A +Postasuteual all 9 tie in (^) &ame (^) Nertlbal plane Mjdqut (^) l0op (^) underg (^) 6cs (^90) xotatlon antictockuie, 3times
1 in umbiliuu
Calsity &o')
Total (^) RoHation o! 210°
Hindqut t Proctodeum
Deuelops Lom^
L0uwOS
Uppeu pasd^ e^ Anal^
Canal,develops^ kom^
lstúmitwe Reclum
enctodermal u 0igin
duurleps om^ Anaf^ pit^
depression on
Surface Ettdderm
Initially ihe^ wwd^ panuU^
around (^) Qih kleek e^ 2pvdts
2p vcts
Communide^ uul 'eaoh othes
Site o4^ uttachmuut^ o^ anal^ Memb^ in^
adults Pectinati^ une
Hindaut
Anal column Anal valve Anal Peatinate^ ne Memb
Prociodeun (^) Disapp
Memb
Cinical
O ImpeeLalu Anus CLiua Cond u wuich ouI paiu a qut Jaiu to ommLuni catu wutu
exteig
Type
Failwe eupttue ot anal Menmb Failune a cyelopmart o
hnal pit uppa 4 uu poit otAnal Conal Remaiu sspataud hy gep
Stenosis o anal Canal
Development ei htdnes
Nephrognit cored^ duived^ puom inieumidiah^ moAaduun^ feUn
Aongtudinal
udgu ou post ab well 9 eau Liol a o0Aal ogd
Nephrogenic cord Jorms 3 Sucuessive kidneys
Psoneph ros MOJ0nephras
Metonephros
Pesmanent kidny
reumannt Kidnu in humans daselops u Aaual gLon
Eaun (^) Kidnuy dwelops hom 2 otittnet^
AaALLA
atexic bud
MetanephLOs
orm Coueuing dystum
korms &encay tem D
Developmut ¬ollestuugptum
e die
Grows-tousOLdS MetanepiDg.
uke Hunnd to^ heum
Raual pelut.
Dichotomus divlsion tor 12-14 anesationg to m
CoALuug ayaturn ot Xidhy
Couiti (^) n, (^) tubula )
Cocting tuhuls 1-3 milüon
inical
Conguntal Patycystic^ Kicluuy^ ya^ Lillad^
uilt iu
HRtooe (^) shaped Kidhy: (^) dwing acont^ qu^ HaPped^
uhdin ath
badder
uleek (^) Q4 development lDaca^
olividad ito
pat by^ meJodivumal^ úsonectal (^) &apHLm
Pri mtiye^ Rettnm
pening of Mesonephric duuet
Deinitive
Vesicowethxal Canal
Cranial Petvie
Caudal Phalic
Allartos (^) opens at^ ts^ Craníal^ ênd
lppest laegt^ end^ expands^ &^
D
Alontau at apex gtA ablutead +o jorm urauhu (Median Umbilíeal
ulch tonneu Apex bladder to Umbiliqu (^) gument)
Abso rption ot Meonephric duet
tia (^) Mesonepnule dud^ &elenk bud haLR a Common^ openirg u veicdunethalal^ canal^
.
(^40) abioaption (^) Mddnphic duct (^) n deua (^) weul
vestco (^) yaethial Canal,^ operungs (^) g dapautd
weteic buds moue Latnaly& anialy
Formatlon o a A aauea blu Openings o4 elC bud
&pithe Li um^ enclDoltam^ al^
Vesícdulethral Canal
ex (^) cept trlgone Mesodermal^ Mesonephric^
duct
ainical
OEctopí c Vesícae
Ertrophy of^ winay^ Bladde
Cocaeo Abrormalis
past e
Deicout ant^ wa1|^0
UB
tntexi ot bladder expesed
tlne (^) di bbles nom expoed^ bladodes
embryd ogical bauls
aluu a^ Complut^ Joumatdon a^
ladtunal (^) elol a Embuy
lazk (^) of miqnaton e^