الفهرس 
development of the human liver
silver diamino bydroxideOnly 14 pages are availabe for public view
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Abstract
SU!ii1!iARY
Tbe bist:Jlogy of tbe liver in its prenatal period
was stuaied in 16 buman foetuses durin5 various periods
of ~estation. rb~ cases oooained were ~~vided into 4
age g.r·oups n=ely 2% 1 (3 6o ’+) , (6 & 7) BJ1d 9 montbs to
facilitate tee study. .::c. .. age of tt:::. foetus was
deter~ined oy ~ts lengtb ~d by tbe nu~ocr of missed
periods. Alao tbe varic,us observable dGV0lcpmc:ltal
cnanges occurriug 1n t<ne I’c·e tus -...<::re o.r: t,::eat belp in
rt:cognizin(!; ·,:ne tn:e ag;, cf ;;bt. foetus.
sections were ooti:...nEa fro~ tbe:J e_1d s;;:;.L:ed r;itb H & E,
- ’+? -
l:lJe locy ”t;es a:Jd ::~egakax yocyt.:.s. :;’bt. s e t:. ac::.opoietic cells
were situated ::.:1 ti:l;; t::epatic pa:rc::JCh;i::.al tissue obscc.Jriug
tbe t.epatocytes co:;;.phtely. Crga:Jizao::.o:J of tbe liver
lobule staxteCi cs:1t.rally i::J o;ne :r<Jgio~’ of ohe c<=nt:ral
ve:io in tbe 6k :J.Ontb,
At full te:rm, obe bepatccyoes o..:ca.:€ a:.::_ a:.;ge:d i::nc
:radiating cords exte!Jdiog fro:: tbe cc~oral vein
towaxds tbc pcr:;..pb.:.ry c.:: ”C;:,e lobule. 3L:cd sinusoids
were: irl.igula:r a.’1d 7iide, iuo: portal tra::”Cs we.re
livc.r graauall;; sub::ided i:: ::t:<:o lase -c-;c;~ ::oYJtbs of tte
::’oetal life. ::u~:.e.rc·.Js f::>ci ..:c .. sHti::Jg ::.~::ly of all
”CiSS~o:c: of ::.l~ ;,::;:.;tal trac”C e .. :i ;;;,vcr tr.c he;:eto::ytes.
in<; liver ·cell-s wero; t:c.av1i;; lcacleci wic:. ~1;.-cogen wbicl::.
--- -~ .~ ..... ,_ . ”’··. GipiG was
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i?IcSent as large d.ropl.;;ts scattered tbxoue;bout tbe
cytoplasr:..
~t.c bac...:..opoictic i . .L.:ctioo c,f wQ~...- ic0tal liver
was raainly di:rec-ced for R.B.Cs productio_:: and this
baemopoi,tic activ .. ty was ”xtravasculax and was prese.Jt
ac tbo= t~ue of bix tb.