Pressure dependence of so-called transtrophoblastic channels during fetal perfusion of human placental villi

Microscopy Research and Technique

Volumn 38, Issue 1-2, 1997, Pages 52-62

  Kertschanska, Sonya ^a   Kosanke, Georg ^a   Kaufmann, Peter ^a  

^a RWTH AACHEN UNIVERSITY   (Germany)

Author keywords

Electron microscopy; Lanthanum hydroxide; Perfusion pressures; Placenta; Trophoblast

Indexed keywords

CARDIOVASCULAR SYSTEM; ELECTRON MICROSCOPES; HYDRAULICS; HYDROSTATIC PRESSURE; LANTHANUM COMPOUNDS;

EXTRACELLULAR; HUMAN PLACENTA; IN-VITRO; PERFUSION PRESSURE; PLACENTA; PRESSURE DEPENDENCE; RINGER SOLUTIONS; TROPHOBLAST; VACUOLIZATION; VASCULAR SYSTEM;

ELECTRON MICROSCOPY;

HYDROXIDE; LANTHANUM;

ARTICLE; CELL VACUOLE; ELECTRON MICROSCOPY; FEMALE; FETUS CIRCULATION; FLUID BALANCE; HUMAN; HUMAN TISSUE; PERFUSION PRESSURE; PLACENTA VILLUS; PRIORITY JOURNAL; TROPHOBLAST;

EID: 0030835660     PISSN: 1059910X     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1097-0029(19970701/15)38:1/2<52::AID-JEMT7>3.0.CO;2-W     Document Type: Article

References (21)

1. Berhe, A., Bardsley, W.G., Harkes, A., and Sibley, C.P. (1987) Molecular charge effects on the protein permeability of the guinea-pig placenta. Placenta, 8:365-380.
2. Fox, H. (1978) Pathology of the Placenta. W.B. Saunders, London.
3. Hedley, R., and Bradbury, M.B.W. (1980) Transport of polar nonelectrolytes across the intact and perfused guinea-pig placenta. Placenta, 1:277-285.
4. Kaufmann, P. (1985) Influence of ischemia and artificial perfusion on placental ultrastructure and morphometry. Contrib. Gynecol. Obstet., 13:18-26.
5. Kaufmann, P., and Davidoff, M. (1977) The guinea-pig placenta. Adv. Anat. Embryol. Cell Biol., 53:1-91.
6. Kaufmann, P., Schröder, H., and Leichtweiss, H.-P. (1982) Fluid shift across the placenta: II Fetomaternal transfer of horseradish peroxidase in the guinea pig. Placenta, 3:339-348.
7. Kaufmann, P., Schröder, H., Leichtweiss, H.-P., and Winterhager, E. (1987) Are there membrane-lined channels through the trophoblast? A study with lanthanum hydroxide. Trophoblast Res., 2:557-571.
8. Kaufmann, P., Firth, J.A., Sibley, C.P., and Schröder, H. (1989) Feto-maternal protein permeability of the placenta - Tracer studies using various haem proteins and lanthanum hydroxide. Gegenbaurs Morphol. Jahrb., 135:312.
9. Kertschanska, S., and Kaufmann, P. (1992) Morphological evidence for the existence of transtrophoblastic channels in human placental villi. Placenta, 13:A33.
10. Kertschanska, S., Kosanke, G., and Kaufmann, P. (1995) Is there morphological evidence for the existence of transtrophoblastic channels in human placental villi. Trophoblast Res., 8:581-596.
11. Orgnero de Gaisán, E., Aoki, A., Heinrich, D., and Metz, J. (1985) Permeability studies of the guinea pig placental labyrinth. II. Tracer permeation and freeze-fracture of fetal endothelium. Anat. Embryol., 171:297-304.
12. Revel, J.P., and Karnovsky, M.J. (1967) Hexagonal array of subunits in intercellular junctions of the mouse heart and liver. J. Cell Biol., 33:C7-C12
13. Rostgaard, J., and Mollgard, K. (1980) Morphologic evidence for a transcellular pathway via elements of endoplasmic reticulum in rat proximal tubules. In: Functional Ultrastructure of the Kidney. A.B. Maunsbach, T.S. Olsen, E.I. Christensen (eds). Academic Press, London, pp. 251-264.
14. Schröder, H., Nelson, P., and Power, B. (1982) Fluid shift across the placenta. I. The effect of dextran T40 in the isolated guinea pig placenta. Placenta, 3:327-338.
15. Schröder, H., Leichtweiss, H.-P., and Rachor, D. (1985) Passive exchange and the distribution of flows in the isolated human placenta. Contrib. Gynecol. Obstet., 13:106-113.
16. Schweikhart, G., and Kaufmann, P. (1977) Zur Abgrenzung normaler, artefizieller und pathologischer Strukturen in reifen menschlichen Plazentazotten. I. Ultrastruktur des Syncytiotrophoblasten. Arch. Gynäkol., 222:213-230.
17. Stulc, J. (1989) Extracellular transport pathways in the haemochorial placenta. Placenta, 10:113-119.
18. Stulc, J., and Stulcova, B. (1986) Transport of calcium by the placenta of the rat. J. Physiol., 371:1-16.
19. Stulc, J., Friederich, R., and Jiricka, Z. (1969) Estimation of the equivalent pore dimensions in the rabbit placenta. Life Sci., 8:167-180.
20. Thornburg, K., and Faber, J.J. (1977) Transfer of hydrophilic molecules by placenta and yolk sac of the guinea pig. Am. J. Physiol., 233:C101-C124.
21. Woods, L.L., Thornburg, K.L., and Faber, J.J. (1978) Transplacental gradients in the guinea pig. Am. J. Physiol., 235:200-207.