nucleus pulposus
medullary cavity
The intervertebral discs are composed of an outer layer called the annulus fibrosus, which is made of tough fibrous tissue, and an inner gel-like core called the nucleus pulposus. These components provide cushioning and support to the spinal column, allowing for flexibility and shock absorption.
Most of the umbrella mass is a gelatinous material - the jelly - called mesoglea which is surrounded by two layers of protective skin. The top layer is called the epidermis, and the inner layer is referred to as gastrodermis, which lines the gut.
The disks are firm yet compressible. On outer side you have tissue called as annulus fibrosus. On inner side you have soft gelatinous tissue called as nucleus pulposus.
Most of the umbrella mass is a gelatinous material - the jelly - called mesoglea which is surrounded by two layers of protective skin. The top layer is called the epidermis, and the inner layer is referred to as gastrodermis, which lines the gut.
the antecubital space
Inner Medulla
The cooler region in a Bunsen flame is called the outer cone or outer mantle. This region is typically blue in color and has a lower temperature compared to the inner cone.
The Inner Core is the most dense part of the Earth. It is a solid core of iron and nickel.
Shock absorbers in the spine are called intervertebral discs. These discs are located between the vertebrae and consist of a tough outer layer called the annulus fibrosus and a gel-like inner core known as the nucleus pulposus. They help absorb impact, provide flexibility, and allow for movement in the spine.
The Medulla is the inner region of a lymph node. It contains B cells, plasma cells, and macrophages.
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