Without+vertebrae

  • 131pleuronectiform — ▪ fish order Introduction also called  flatfish,         any member of the order Pleuronectiformes, which includes about 600 species of bony, oval shaped, flattened fishes such as the flounder, halibut, and turbot. The pleuronectiforms are unique …

    Universalium

  • 132Spinal decompression — is a term that describes the relief of pressure on one or many pinched nerves (neural impingement) of the spinal column.[1] Spinal decompression can be achieved both surgically and non surgically and is used to treat conditions that result in… …

    Wikipedia