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Morphometry of the Functional and Regressing Corpus Luteum of the Guinea Pig by Tengku I. Azmi; Jeremy D. O'Shea; Neville W. Bruce; Raymond J. Rodgers is a Medicine article available to read on EtoBox.

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A morphometric study of functional and regressing corpora lutea (CL) of guinea pigs (n = 5 per day) was performed on days 9, 12, and 16 of the estrous cycle. On day 9 the functional CL contained =750,000 cells, which included 565,200 \_+ 56,700 (S.D.) endothelial cells or pericytes and 137,300 f 7,700 luteal cells. Between days 9 and 12 the only significant change suggesting the onset of regression was a reduction in vascular luminal surface area. During this time the number of luteal cells per CL increased to 204,400 t 34,800 (P < .05), with a n accompanying reduction in luteal cell volume from 19.8 \_+ 1.8 to 14.4 k 2.4 pl/cell (P < .01). The increase in cell numbers was explicable by cell division, with mitotic indices of 0.83% and 0.97% on days 9 and 12, respectively. Luteal volume was unaltered. Between days 12 and 16, the mean volume of a single CL fell from 3.98 \_+ 0.2 to 1.42 + 0.3 mm3 (P < .01) and luteal cell volume was reduced to 5.3 1.1 plhell ( P < .01). Between these 2 days the number of endothelial cells per CL fell from 539,900 \_+ 75,500 to 144,400 & 63,300 (P < .Ol), with an accompanying reduction in vascular

Who reads Morphometry of the Functional and Regressing Corpus Luteum of the Guinea Pig?

Author

Tengku I. Azmi; Jeremy D. O'Shea; Neville W. Bruce; Raymond J. Rodgers

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0003-276X)

Published

1984

Language

EN

Field

Medicine (Health Sciences)