The family Salpingoecidae consists of species whose cells are encased in a firm theca that is visible by both light and electron microscopy.
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Theca cells are located in the ovarian follicles and become luteinized when the ovarian follicle breaks and a new corpus luteum is formed.
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It has a critical role in granulosa cell and theca cell growth, as well as in differentiation and maturation of the oocyte.
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Stocks are at a all-time high, " said David Saltoun, a trader at Theca brokerage in Rio de Janeiro.
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"The steel sector is the highlight, " said Marcio Rener, a trader at Theca brokerage in Rio de Janeiro.
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"The retail sector is pushing prices lower, " said David Saltoun, a trader at Theca brokerage in Sao Paulo.
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In armoured dinoflagellates, these support overlapping cellulose plates to create a sort of armor called the theca, as opposed to athecate dinoflagellates.
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In human embryogenesis, the theca cells form a corpus luteum after a Graafian follicle has expelled its secondary oocyte arrested in second meiosis.
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"Everybody is afraid about the meeting tomorrow, " said Marcio Rener, a trader at Theca brokerage in Rio de Janeiro.
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"Light is promising to cut costs further, " said Marcio Rener, a trader at Theca brokerage in Rio de Janeiro.