WebAssocited with the formation of the male sex cells from the time they leave the testes until the spermatozoön becomes fully grown there is a protoplasmic structure, termed the blastophore (Bloomfield, '80, Calkins, '95) in Lumbricus, and the cytophore (Voigt, '85) in Branchiobdella varians. WebApr 12, 2016 · The cytophore in the spermatogonial cysts were small and had the form of an irregular mass of cytoplasm (Figs. 2a, 3a–a''''') that contained numerous ribosomes, mitochondria, short ER cisternae and …

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WebJul 5, 2024 · Cyproterone (sye pro' ter one) is a synthetic steroidal antiandrogen that has been used to treat prostate cancer in many countries of the world, but was never approved for this use in the United States. … WebFeb 5, 2012 · anuclear cytoplasmic mass, the cytophore, by a cytoplasmic bridge. Organelles such as mitochondria, cisternae of rER, Golgi complexes and ribosomes are transported via intercellular bridges and the cytophore towards the growing oocytes (Figs. 3a-h). 3.2.1. Follicle Cells . In . A. levis. there were outer follicular cells surrounding the how do yellow jackets help the environment

Trochophore - definition of trochophore by The Free Dictionary

Webtroch·o·phore. (trŏk′ə-fôr′) n. The small, free-swimming, ciliated aquatic larva of various invertebrates, including certain mollusks and annelids. [Greek trokhos, wheel (from … WebFeb 25, 2011 · The rosette stages become increasingly disrupted, with fragmentation of the cytoplasmic cytophore. After longer time periods (12–24 h) the testis tubules were almost completely empty with few spermatogenic stages or mature spermatozoa present. The ultrastructural effects of TCBZ-SX bear some resemblance to those observed after … WebThe cytophore is surrounded by a mass of unidentified cells and spermatozoa. The scattered dark cells seen in both testes are probably spermatogonia. 1000. FIG. 5. Early formation of the cytophore. The cells still retain their individual characteristics, but early fusion near the center of the mass (C) can be seen. ph product sdn bhd