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Panminerva Medica 2001 March;43(1):33-7

Copyright © 2009 EDIZIONI MINERVA MEDICA

language: English

The development of the suprarenal gland. Surgical and anatomical considerations

Boglione L., Bondone C., Corno E., Gastaldo L., Borghi F., Gattolin A., Levi A. C.

From the Department of Anatomy, Pharmacology and Forensic Medecine, University of Turin *Valdese Hospital, Turin, Italy


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Background. Aim of ­this ­research is to ­study the sit­u­a­tion and rela­tion­ships of the ­adrenal ­gland in the ­first ­stage of devel­op­ment in ­order to ­give ­some con­trib­utes for the appli­ca­tion of lapar­os­copic adren­a­lec­tomy; in the mean­time we ­describe the ­series of the ­debat ­changes occur­ring in the con­sti­tu­tion of the ­cortex and ­medulla.
Methods. Analysis of his­to­logic ­slices of tho­raco-abdom­inal and abdom­inal ­regions of ­human ­embryos and ­fetuses ­ranging ­from the ­fifth (12 mm CR) to the twen­tieth ­week (170 mm CR).
Results. At 12 mm CR an ­unique ­type of ­cells is ­present in the ­cortex; at 16 mm CR ­there are two dif­ferent ­groups of ­cells. Sympathogonia ­enter ­into the ­cortex at 16 mm CR. The ­right ­adrenal ­gland ­seems ­enclosed ­into the ­liver and a lig­a­ment con­taining the ­middle ­adrenal ­vein ­reaches the ­vena ­cava infe­rior ­sulcus. The ­left ­adrenal ­gland, ­through the ­coelomic ­cavity, is in rela­tion­ship ­with the ­stomach, the ­medial ­border of the ­spleen and the pan­creatic ­body con­tained in the prim­i­tive ­dorsal mes­o­gas­trium.
Conclusions. The ­timing of pen­e­tra­tion of the gan­gliar ­cells ­into the ­cortex is ­defined as ­well as the hypoth­esis ­that the ­matrix of the ­fetal and defin­i­tive ­cortex is the ­same: more­over the ­study of the ­early devel­op­ment ­allows to under­stand the ­main char­ac­ter­is­tics of ­both the ­adrenal ­glands ­which are sig­nif­i­cant for a ­rational and dif­fe­ren­tial lapar­os­copic ­approach.

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