Sentence examples for longitudinal ridges from inspiring English sources

Mesepimeron with two longitudinal ridges connecting anterior and posterior mesopectal margin and separating long rectangular area.

In some plants, the surfaces are corrugated with longitudinal ridges and grooves.

Green aerial stems have longitudinal ridges and furrows extending the length of the internodes, and stems are jointed (articulated).

When young it has three longitudinal ridges on the upper shell; these become worn down with time.

The pollen grains are boat-shaped, with longitudinal ridges and furrows that run from one end of the grain to the other.

By the Cretaceous, fossils with well-defined longitudinal ridges appear, as in modern species of Dentalium and its close relatives (Family Dentaliidae).

Most of the dorsal plates have a longitudinal ridge, or keel.

This part of the urethra has on its floor (or posterior wall) a longitudinal ridge called the urethral crest.

In the upper molars these ridges are fused with a longitudinal ridge (ectoloph), which runs along the outer edge of the tooth.

In nano-dimension, the smaller the height and the smaller the width and the bigger the spacing of the longitudinal ridge, the stronger the hydrophobicity of the wing surfaces.

A longitudinal ridge divides the cartilaginous surface into medial and lateral facets.