The distribution of microvilli over the villous surface of the normal human term placenta is homogenous

1995 ◽  
Vol 7 (5) ◽  
pp. 1269 ◽  
Author(s):  
AL Karimu ◽  
GJ Burton
Keyword(s):  
Regional Differences ◽  
Amplification Factor ◽  
Ultrastructural Examination ◽  
Human Term Placenta ◽  
Term Placenta ◽  
Intervillous Space ◽  
Normal Term ◽  
Significant Difference ◽  
Villous Surface ◽  
Normal Human

The study was carried out to estimate stereologically whether regional differences exist in the distribution of microvilli between vasculo-syncytial (VSM) and non-vasculo-syncytial (non-VSM) areas of the villous surface in normal term placenta. In ten placentae a normal lobe was perfusion-fixed at a pressure of 60 mm Hg, and the intervillous space was perfused at 10 mm Hg. The tissue was routinely processed for ultrastructural examination. Stereological estimates relating to the length and diameter of microvilli, and to the villous surface amplification factor in adjacent but contrasting (VSM and non-VSM) regions, were obtained. A paired 't' test showed no significant difference in the villous surface amplification factor between the two regions (5.18 +/- 0.54 and 5.22 +/- 0.54 respectively, mean +/- s.e.m. P > 0.05). In addition, there were no significant differences between the length and diameter of microvilli in both regions (P > 0.05 in both). The results confirm that the normal term placenta has a continuous and even covering of microvilli over the syncytium.

Immunohistochemical localization of extracellular matrix in various types of fibrinoid of the normal human term placenta

Placenta ◽  
1993 ◽  
Vol 14 (4) ◽  
pp. A55 ◽  
Author(s):  
Azizbeck K. Nanaev ◽  
Andrej P. Milovanov ◽  
Serguej P. Domogatsky
Keyword(s):  
Extracellular Matrix ◽  
Immunohistochemical Localization ◽  
Human Term Placenta ◽  
Term Placenta ◽  
Normal Human

Glycolytic Enzymes in the Normal Human Term Placenta

Enzyme ◽  
1975 ◽  
Vol 19 (3) ◽  
pp. 154-164 ◽  
Author(s):  
Hans-Henner Gustke ◽  
Sabina Kowalewski
Keyword(s):  
Glycolytic Enzymes ◽  
Human Term Placenta ◽  
Term Placenta ◽  
Normal Human

Immunohistochemical localization of extracellular matrix in perivillous fibrinoid of normal human term placenta

1993 ◽  
Vol 100 (5) ◽  
pp. 341-346 ◽  
Author(s):  
A. K. Nanaev ◽  
A. P. Milovanov ◽  
S. P. Domogatsky
Keyword(s):  
Extracellular Matrix ◽  
Immunohistochemical Localization ◽  
Human Term Placenta ◽  
Term Placenta ◽  
Normal Human

scholarly journals Specific tumour-associated methylation in normal human term placenta and first-trimester cytotrophoblasts

2008 ◽  
Vol 14 (9) ◽  
pp. 547-554 ◽  
Author(s):  
B. Novakovic ◽  
V. Rakyan ◽  
H.K. Ng ◽  
U. Manuelpillai ◽  
C. Dewi ◽  
...  
Keyword(s):  
First Trimester ◽  
Human Term Placenta ◽  
Term Placenta ◽  
Normal Human

IMMUNOLOGICAL REACTIVITY OF INSULIN IN HUMAN SERUM

1966 ◽  
Vol 53 (4) ◽  
pp. 673-680 ◽  
Author(s):  
Torsten Deckert ◽  
Kai R. Jorgensen
Keyword(s):  
Normal Subjects ◽  
The Other ◽  
Human Pancreas ◽  
Porcine Pancreas ◽  
Crystalline Insulin ◽  
Endogenous Insulin ◽  
Significant Difference ◽  
Human Sera ◽  
Normal Human ◽  
The One

ABSTRACT The purpose of this study was to investigate whether a difference could be demonstrated between crystalline insulin extracted from normal human pancreas, and crystalline insulin extracted from bovine and porcine pancreas. Using Hales & Randle's (1963) immunoassay no immunological differences could be demonstrated between human and pig insulin. On the other hand, a significant difference was found, between pig and ox insulin. An attempt was also made to determine whether an immunological difference could be demonstrated between crystalline pig insulin and crystalline human insulin from non diabetic subjects on the one hand and endogenous, circulating insulin from normal subjects, obese subjects and diabetic subjects on the other. No such difference was found. From these experiments it is concluded that endogenous insulin in normal, obese and diabetic human sera is immunologically identical with human, crystalline insulin from non diabetic subjects and crystalline pig insulin.

Does fresh or frozen embryo transfer affect imprinted gene expressions in human term placenta?

2021 ◽  
Vol 123 (3) ◽  
pp. 151694
Author(s):  
Asli Ozmen ◽  
Dijle Kipmen-Korgun ◽  
Bekir Sitki Isenlik ◽  
Munire Erman ◽  
Mehmet Sakinci ◽  
...  
Keyword(s):  
Embryo Transfer ◽  
Frozen Embryo Transfer ◽  
Gene Expressions ◽  
Human Term Placenta ◽  
Imprinted Gene ◽  
Term Placenta

scholarly journals Cytotrophoblast, Not Syncytiotrophoblast, Dominates Glycolysis and Oxidative Phosphorylation in Human Term Placenta

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Kevin S. Kolahi ◽  
Amy M. Valent ◽  
Kent L. Thornburg
Keyword(s):  
Oxidative Phosphorylation ◽  
Human Term Placenta ◽  
Term Placenta

Microfracture for the Treatment of Symptomatic Cartilage Lesions of the Knee: A Survey of International Cartilage Regeneration & Joint Preservation Society

Cartilage ◽  
2020 ◽  
pp. 194760352095450
Author(s):  
Jesus Medina ◽  
Ignacio Garcia-Mansilla ◽  
Peter D. Fabricant ◽  
Thomas J. Kremen ◽  
Seth L. Sherman ◽  
...  
Keyword(s):  
Surgical Technique ◽  
Regional Differences ◽  
Current Practice ◽  
Cartilage Regeneration ◽  
Postoperative Management ◽  
Cartilage Lesions ◽  
Significant Difference ◽  
Rehabilitation Protocols ◽  
Joint Repair ◽  
Vertical Walls

Objective The purpose of this study was to describe the current practice trends for managing symptomatic cartilage lesions of the knee with microfracture among ICRS (International Cartilage Regeneration & Joint Repair Society) members. Design A 42-item electronic questionnaire was sent to all ICRS members, which explored indications, surgical technique, postoperative management, and outcomes of the microfracture procedure for the treatment of symptomatic, full thickness chondral and osteochondral defects of the knee. Responses were compared between surgeons from different regions and years of practice. Results A total of 385 surgeons answered the questionnaire. There was a significant difference noted in the use of microfracture among surgeons by region ( P < 0.001). There was no association between the number of years in practice and the self-reported proportion of microfracture cases performed ( P = 0.37). Fifty-eight subjects (15%) indicated that they do not perform microfracture at all. Regarding indication for surgery, 56% of surgeons would limit their indication of microfracture to lesions measuring 2 cm2 or less. Half of the surgeons reported no upper age or body mass index limit. Regarding surgical technique, 90% of surgeons would recommend a formal debridement of the calcified layer and 91% believe it is important to create stable vertical walls. Overall, 47% of surgeons use biologic augmentation, with no significant difference between regions ( P = 0.35) or years of practice ( P = 0.67). Rehabilitation protocols varied widely among surgeons. Conclusions Indications, operative technique, and rehabilitation protocols utilized for patients undergoing microfracture procedures vary widely among ICRS members. Regional differences and resources likely contribute to these practice pattern variations.

scholarly journals The squalene epoxidase-cyclase activity of human term placenta

FEBS Letters ◽  
1973 ◽  
Vol 34 (2) ◽  
pp. 238-242 ◽  
Author(s):  
C. Tabacik ◽  
B. Descomps ◽  
A.Crastes de Paulet
Keyword(s):  
Cyclase Activity ◽  
Squalene Epoxidase ◽  
Human Term Placenta ◽  
Term Placenta

Purification and Properties of Choriogonadotropin from Human Term Placenta

1977 ◽  
Vol 358 (2) ◽  
pp. 909-914 ◽  
Author(s):  
Cheuk Y. LEE ◽  
Shirley WONG ◽  
Agnes S. K. LEE ◽  
Lin MA
Keyword(s):  
Human Term Placenta ◽  
Term Placenta ◽  
Purification And Properties
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