What are the spaces in bones called?

What are the spaces in bones called?

Between the rings of matrix, the bone cells (osteocytes) are located in spaces called lacunae. Small channels (canaliculi) radiate from the lacunae to the osteonic (haversian) canal to provide passageways through the hard matrix.

Why do bones have spaces in them?

The spaces of the trabeculated network provide balance to the dense and heavy compact bone by making bones lighter so that muscles can move them more easily. In addition, the spaces in some spongy bones contain red marrow, protected by the trabeculae, where hematopoiesis occurs.

What is the white covering around the surface of the bone?

The periosteum covers all surfaces of the bone except for those capped with cartilage, as in the joints, and sites for attachment of ligaments and tendons.

What is the hardest part of a bone called?

show/hide words to know. Compact bone: the heaviest, hardest type of bone in the body. Lining cell: flat cells that make up and cover the outer layer of bone.

Why are bones white?

Bones are whitish because of their chemical composition. When alive, bones are white~yellow~red because of the mineral, fat and bloody components. Dead dry bone is white because of calcium phosphate which makes up a large portion of the mineral content.

What does whitespace mean?

White space or whitespace may refer to: Whitespace characters, characters in computing that represent horizontal or vertical space White spaces (radio), allocated but locally unused radio frequencies

What is white space in a drawing called?

(September 2017) In page layout, illustration and sculpture, white space is often referred to as negative space. It is the portion of a page left unmarked: margins, gutters, and space between columns, lines of type, graphics, figures, or objects drawn or depicted.

What is the white space between the pages called?

In page layout, illustration and sculpture, white space is often referred to as negative space. It is the portion of a page left unmarked: margins, gutters, and space between columns, lines of type, graphics, figures, or objects drawn or depicted.

What is an example of white space?

White space (visual arts) For example, upscale brands often use ad layouts with little text and a lot of white space. For publication designers, white space is very important. Publications can be printed on a variety of different papers, which can have different colours, textures, etc. In these cases, white space is used for good presentation…