Reptile Systems

Paper Summary:

This paper examines the nervous and digestive systems of reptiles, emphasizing their main characteristics and briefly compare them to the nervous and digestive systems at other vertebrates including humans. The author points out that the anatomical characteristics of the reptile's nervous system, such as the position of the brain or the spinal cord, resemble closely those of the human and higher vertebrates; the reptilian nervous system has developed to provide the best adaptation of the reptiles' necessities, with emphasis on sight, smell and motor functions. The paper relates that birds and reptiles are the only vertebrates to have the cloacae chamber, the removal system of the body, is where the feces is discharged; the urodaeum receives the urogenital tract ducts and the proctodaeum acts as a common collecting area prior to evacuation.

From the Paper:

"As such, the reptilian nervous system is formed of two different components: the central nervous system (CNS) and the peripheral nervous system (PNS). The central nervous system is composed of the brain and the spinal cord, while the peripheral nervous system is composed of all nervous tissues and structures that do not actually belong to the CNS. As at other vertebrates, the brain, constituent part of the central nervous system, is protected by the skull. The bones forming the skull similarly have names such as parietal and occipital, which also form the human skull, for example."

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