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.
The central nervous system is made up of the brain and spinal cord. The peripheral (outside) nervous system is all the other nerves in the body. The nerves are very close together. Special chemicals called neurotransmitters carry messages from one nerve to the next nerve.he central nervous system is made up of the brain and spinal cord. The peripheral (outside) nervous system is all the other nerves in the body. The nerves are very close together. Special chemicals called neurotransmitters carry messages from one nerve to the next nerve.