Rats Anatomy

Rats have a cleft upper lip called a philtrum and an intact lower lip. Note the hairy coat that covers the rat and the sensory hairs whiskers located on the rats face called vibrissae.

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Among the many laboratory experiments rat dissection is a compulsory exercise for science students.

Rats anatomy. Students followed guidelines from ap biology anatomy unit. External and internal anatomy of a rat an example of a mammal with a comparison of male and female reproductive structures. Other rat genera include neotoma pack rats bandicota bandicoot rats and dipodomys kangaroo rats.

The anatomy of a rat can be classified into two parts namely external and internal. Rats are typically distinguished from mice by their size. Rats are various medium sized long tailed rodents.

Water taste receptors have not been identified in the rat and it is believed that rats can not taste water. Phylum chordata subphylum vertebrata class mammalia. Cranial region head cervical region neck pectoral region area where front legs attach thoracic region chest area abdomen belly pelvic region area where the back legs attach 1.

These are photos taken from the annual rat dissection. Rat dissection walk through is also available if you are looking for a more descriptive approach to the rat dissection. Species of rats are found throughout the order rodentia but stereotypical rats are found in the genus rattus.

With reference to the internal anatomy students are expected to study the important organ systems along with their respective organs. The rats body is divided into six anatomical regions.

Figure 1 From Intrahepatic Vascular Anatomy In Rats And Mice