Sentences with phrase «urchin spines»

Unlike hydroxyapatite, the scaffolds made from sea urchin spines could be cut and drilled to a specified shape and size.

«Sea urchin spines could fix bones.»

Using a hydrothermal reaction, the researchers converted sea urchin spines to biodegradable magnesium - substituted tricalcium phosphate scaffolds while maintaining the spines» original interconnected, porous structure.

To help improve the outcomes of these surgeries, scientists have developed a new grafting material from sea urchin spines.

See urchin spines and mussel shells are made of calcite, because large quantities of calcium are available in water.

«Nature's blueprint for fracture - resistant cement: Based on the nanostructure of the sea urchin spines, scientists develop fracture - resistant cement.»

The sea urchin spines are mostly made of calcite, usually a very brittle and fragile material.

To understand why the long - spined urchins have not returned to the reef more than 30 years later, Scripps scientists Katie Cramer and Dick Norris analyzed the amount of fossilized urchin spines that accumulated in reef sediment layers over the past 3,000 years to paint a picture of life on the reef before it was altered from the disease outbreak and human activities such as fishing and pollution.

A thin section of sea urchin spine reveals this structural principle: crystalline blocks in an orderly structure are surrounded by a softer amorphous area.

Not exact matches

When the compressed material was introduced into laboratory tanks, the spines of sea urchins and the shells of mollusks dissolved.

The first sea - floor lab to test the effects of CO2 (top) on deep - sea animals didn't kill these caged eelpouts and an octopus, but sea urchins died and their spines dissolved (bottom, before and after

More extraordinary is how urchins go about regenerating spines that have broken off.

Sea urchins use spines for protection from predators and for locomotion.

Sea urchins have seemingly countless spines each made from a single calcite crystal.

Unlike typical crystal structures like shells, which incorporate thousands of smaller, geometrically symmetrical crystals attached to each other, each spine on a sea urchin is a single large calcite crystal with its own convoluted shape.

Sea urchins may not have brains, but they've managed to outsmart the scientists studying them by growing their sharp spines in ways that seem to defy the laws of nature.

Urchin bodies are mobile pincushions in purples and pinks to browns and blacks, bristling with a mix of spiky spines and soft, stretchy tube feet.

In the meantime, marine divers are now collecting those miniature fish that they already knew about but never figured were worth anything: shrimp gobies (with their commensal shrimp), crabs that live in the spines of sea urchins, fish that live in the body cavity of sea cucumbers and jawfish and garden eels that live in the substrate.

The urchin moves slowly through the Thalassia by moving its spines to let it «walk».

Due to the intact connectivity of the extensive seagrass beds, desnse mangrove forests, and robust coral reefs, the remoteness of the area, and the history of protection from coastal development, the Gardens of the Queen represents a «baseline» for a nearly pristine Caribbean marine ecosystem; an ecosystem that includes healthy populations of apex predators like sharks and groupers, important grazers like Rainbow parrotfish and long - spine sea urchins, and recovering endangered species like elkhorn coral and hawksbill sea turtles.