flagellated cell


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  • noun

Words related to flagellated cell

any cell or one-celled organism equipped with a flagellum

References in periodicals archive ?
In calcareous sponges, larval flagellated cells are transformed into the choanocytes of a juvenile during metamorphosis (Duboscq and Tuzet, 1937; Amano and Hori, 1992, 1993).
Because larval flagellated cells change radically in morphology in the early stages of metamorphosis, it is almost impossible to follow their developmental fates unless the cells have some identification markers.
In this report, we show that larval flagellated cells transform into choanocytes during metamorphosis.
Flagellated cells make up the entire larval surface, except at the posterior end where many reddish brown pigment granules occur in the cytoplasm.
At the free surface of these flagellated cells is a flagellar socket composed of a pit about 2.
After settlement, the larval flagellated cells dedifferentiate into a simple cell mass on the substratum; thereafter they differentiate again into the three principal cell types of a juvenile sponge.
The coeloblastula is a hollow spheroid consisting of a layer of flagellated cells around a large central cavity (Fig.
Figure 2 shows the flagellated cells of the coeloblastula of L.
Only in the apical region are the neighboring flagellated cells united, by simple apposition (Figs.
We found a consistent arrangement and orientation in the apical region of larval flagellated cells.
Peripheral flagellated cells showed an intense brown stain with the con A probe for mannose [ILLUSTRATION FOR FIGURES 1A,B OMITTED], but only a weak stain with GlcNAc [ILLUSTRATION FOR FIGURE 1C OMITTED], and no stain at all with the other lectins tested (SBA, DBA, PNA, UEA-1) (not shown).
The brown staining of fragmented DNA produced by the TUNEL assay indicated that apoptosis was only located in the peripheral region of flagellated cells.
In summary, the results demonstrate that, in Microciona larvae, mannose is the only terminal, lectin-binding sugar on the surface of the flagellated cells as shown by con A staining.
We suggest that mannose receptors are present on the surface of phagocytes in the larvae (as shown in a variety of other organisms) (9) and that such receptors recognize and bind with mannose on apoptotic flagellated cells.
Our study supports the theory that peripheral flagellated cells in Microciona larvae are terminally differentiated; their fate is apoptosis and eventually phagocytosis.