annulate
/ˈanjʊlət
/adjective chiefly Zoology
Having rings; marked with or formed of rings: an annulate worm...
- In twelve of these cases the antennae were elongated annulate structures.
- Pleopods are made up of two narrow, annulate rami, the anteriormost being the slightly longer of the two.
- The main focus of this research proposal is to analyze the biogenesis of nuclear pore complexes and annulate lamellae.
Derivatives
annulated
- The most striking feature seen on the fossil annelids in this study is the ‘fan,’ a cephalic cage formed by annulated capillary setae.
- The shell surface is distinctly annulated along its sides, with broad annulae that are separated by deep narrow grooves.
- However, annulated tubes with definite tetraradial symmetry have been found in Ediacaran-age biotas in both South America and southwestern North America, and referred to the genus Corumbella.
annulation
- At the same time, both genera have well-developed, multiannulate first antennae, whereas modern branchiopods have dwarfed first antennae without much of annulation or segmentation at all.
- The annulations give the shell a segmented appearance.
- It is characterized by a very gently tapered, finely laminated conical tube lacking strong transverse annulations.
Origin
Early 19th century: from Latin annulatus, from anulus, annulus 'a ring'.