A spherical shell that is usually made of a biodegradable or resorbable plastic polymer, that has a very small diameter usually in the micrometer or nanometer range, and that is often filled with a substance (as a drug or antibody) for release as the shell is degraded.
A spherical shell that is usually made of a biodegradable or resorbable plastic polymer, that has a very small diameter usually in the micrometer or nanometer range, and that is often filled with a substance (as a drug or antibody) for release as the shell is degraded...
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
