Placentas sentence example

placentas
  • The ovary is incompletely divided into many chambers by the ingrowth of the placentas which bear numerous ovules and form in the fruit a many-seeded short capsule opening by small valves below the upper edge.
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  • The ovary of passionflowers is one-celled with three parietal placentas, and bears at the top three styles, each capped by a large button-like stigma.
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  • The flowers spring from, or are enclosed in, a spathe, and are unisexual and regular, with generally a calyx and corolla, each of three members; the stamens are in whorls of three, the inner whorls are often barren; the two to fifteen carpels form an inferior ovary containing generally numerous ovules on often large, produced, parietal placentas.
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  • In many cases, however, the placentas are formations from the axis (axile), and are not connected with the carpellary leaves.
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  • This is seen in cases where the margins of the carpel do not unite, but remain separate, and consequently two placentas are formed in place of one.
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  • The placentas are parietal, and the ovules appear sessile on the walls of the ovary.
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  • In these instances the placentas may be formed at the margin of the united contiguous leaves, so as to appear single, or the margins may not be united, each developing a placenta.
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  • In this case the ovary is unilocular, and the placentas are parietal.
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  • From the centre, processes go to circumference, ending in curved placentas bearing the ovules.
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  • At other times they are vertical, as in Datura, where the ovary, in place of being two-celled, becomes four-celled; in Cruciferae, where the prolongation of the placentas forms a vertical partition; in Astragalus and Thespesia, where the dorsal suture is folded inwards; and in Oxytropis, where the ventral suture is folded inwards.
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  • The early scans had shown two separate placentas - one each side of the uterus.
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  • It was the scene of two naval battles of the t Transverse section of the fruit of the melon (Cucumis melo), showing the placentas (p1), with the seeds attached to them.
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  • Fraternal twins are easy to identify on an ultrasound as they always have their own placentas.
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  • Retained placentas may also be a problem.
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  • Watch for the placentas, and make sure each one comes out after the birth of the last kitten.
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  • If the two fetuses have separate amniotic sacs, they can either share a placenta or have two separate placentas.
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  • The day the egg splits determines whether your twins will have one large placenta they share with two umbilical cords or two separate placentas.
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