The olecranon bursa is a fluid filled sac-like structure that acts as a cushion, allowing the posterior skin of the elbow to glide past the olecranon process with minimal friction. 8 mm; proximal projection of olecranon process beyond proximal rim of semilunar notch, 0.
The nerve cell, being of an animal would contain various organelles, including the cell membrane,nucleus (which contains the nucleolus, the cytoplasm, mitochondria, lysosomes, â¦ cytoskeleton, chromatain Endoplasmic reticulum, Golgi Apparatus, and possibly flagella, cilia, centriols and ribosomes.
Gray and white matter. The brain of humans consists of gray matter and white matter. The gray matter contains the nerve cells. White matter - myelin. The white matter of the brain is composed of nerve fibers and myelin. The nerve fibers form the connections between the nerve cells. Myelin is a fatty sheath wrapped around nerve fibers. The myelin sheath has two functions: insulation and acceleration of impulse conduction.