spicule मीनिंग इन हिंदी

संज्ञा
• सुई जैसी नुकीली चीज

अधिक: आगे

This genus is characterized by a high density of siliceous spicules.
It has no calcareous spicules, but it has integumental concrements.
The skeletons include spicules or consists of a horny external cuticle.
The spicules are composed of 3 perpendicular rays giving them 6 points.
The sclerocytes produce spicules via formation of a cellular triad.
In pairs, the sclerocytes secrete the minerals which create the spicules.
Some equatorial regions of upwelling, where nutrients are abundant and spicules.
Siliceous spicules come in two sizes called megascleres and microscleres.
In ontogeny the first spicules to be secreted are diactines.
Amoeboid sperm crawl along the spicule into the female worm.

संज्ञा.

small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
पर्याय: spiculum