The vagus nerve The right vagus enters the thorax posterolateral to the right  brachiocephalic artery and descends lateral to the trachea ...

According to Davenport theory, hydrochloric acid  secretion is an active process that takes place in the  canaliculi of parietal cells in g...

The ascending aorta is a wide vessel some 5 cm long. It begins  at the aortic orifice behind the 3rd right costal cartilage below  the lev...

           In humans, the saliva is secreted by three pairs of major  salivary glands and some minor salivary glands. MAJOR SALIV...

GI tract has two types of nerve supply: Intrinsic nerve supply Extrinsic nerve supply. Intrinsic nerve supply Int...

            Digestion is defined as the process by which food is  broken down into simple chemical substances that can be absorbed and ...

The arch   of the aorta passes upwards from the sternal angle  behind the manubrium to arch backwards and to the left over  the left lung ...

The pleura is a fibroelastic serous membrane lined by squamous  epithelium forming a sac on each side of the chest. Each  pleural sac is a c...

         Epithelium forms a protective covering over the internal and external surfaces of the body.The ectoderm forms the skin,the  m...

This is found in the heart. It consists of short, branched cylindrical fibres joined end to end. The adherent ends of adjacent fibres...