| ANATOMICAL FEATURES OF ELEPHANTS • Small intestine is a mucous membrane forming longitudinal and transverse folds in honeycomb patterns. • Diaphragmatic face of liver is strongly convex and the visceral face is deeply concave. The deep umbilical fissure divides the organ into a larger right and a smaller left lobe. The right lobe is extensive. The gall bladder is absent. • Pancreas is dark brown, lobulated and situated in the mesoduodenum. 2. Respiratory system • Proboscis is highly mobile, tactile and prehensile organ. It is made up of two nasal tubes separated by the septum nasi. The anterior margin of the tip of the proboscis has the "prehensile finger" which is highly tactile. • The parietal pleura are very thick and adherent to the visceral pleura completely obliterating the pleural cavity. The parietal pleura are closely attached to the thoracic wall and are easily separable from the thoracic wall due to the abundance of the endothoracic facia. • The left lung is smaller and extends from the 3rd rib to the 16th rib. Deep fissures mark the apical, cardiac and diaphragmatic lobes. The right lung is larger and extends from the 2nd rib to the 16th rib. Mediastinal lobe is attached to it. 3. Cardiovascular system • Heart is situated in the middle mediastinum extending frorm the 1st to the 5th rib with the apex resting on the 4th interchondral space. It is large, ovoid and longer on the left side. • The apex of the heart in majority of the cases is bifid, incisura cordis separating the two apices of the ventricles. Previous Next |
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