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...

Cell junction is the connection between the neighboring  cells or the contact between the cell and extracellular  matrix. It is also ...

        This is characterized by having a large amount of intercellular substance. It forms areolar tissue, the packing material of th...

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

Digestive system is made up of gastrointestinal tract  or alimentary canal and accessory organs,  which help in the process of dige...

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...

This is a contractile tissue. There are skeletal, smooth and cardiac muscles. Skeletal (striated, voluntary) muscle This acts...

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

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 ...