Sentence examples for surrounded by a layer from inspiring English sources

The vascular cylinder of the root is surrounded by a layer of parenchymatous pericycle cells.

The spermatheca duct ends in a capsule-like structure surrounded by a layer of gland cells.

They consist of a core of bone surrounded by a layer of horn (keratin) that is in turn covered by keratinized epidermis.

The ovulated mammalian egg typically is surrounded by a layer of columnar follicular cells, the corona radiata; but it is naked in some insectivores and some marsupials.

Mature valve leaflets are composed of a heterogeneous population of interstitial cells and stratified extracellular matrix, surrounded by a layer of endothelial cells.

The resulting grains consist of Ti cores surrounded by a layer of T3Al which in turn is surrounded by another layer of TiAl.

The eyeball and its functional muscles are surrounded by a layer of orbital fat that acts much like a cushion, permitting a smooth rotation of the eyeball about a virtually fixed point, the centre of rotation.

Unlike a cable hanging in the air, the live conductor in a buried or submerged cable has to be surrounded by a layer of insulation and then clad in a metal sheath.

As the arterioles become smaller in size, the three coats become less and less definite, with the smallest arterioles consisting of little more than endothelium, or lining, surrounded by a layer of smooth muscle.

The structure of the stable low-temperature iron catalyst is considered to consist of a core that is Fe3O4 with the core surrounded by a layer of iron carbide.

If possible, the tumor will be resected surrounded by a layer of healthy tissue „en bloc" in terms of an oncological radical resection ("wide/radical resection").