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Respiratory System Anatomy


Anatomy of Respiratory System


Parts of respiratory system :


  • Nose

  • Pharynx.





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Digestive System Anatomy


Anatomy Of Digestive System

     The parts of digestive system are:
  •  Mouth.
-         Duodenum.
-         Jejunum.
-         Ileum.
-         Caecum,
-         Vermiform Appendix,
-     Ascending Colon,
-     Transverse Colon,
-     Descending Colon,
-     Sigmoid Colon, 
  •  Rectum.
  • Anal Canal.
          Digestive glands release their secretion into the digestive tube. The glands are 3 
pairs of salivary glands.
  • Salivary Glands : Parotid Glands,
                                 Sub mandibular Glands,
                                
    Sub Lingual Glands.

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Sublingual Salivary Glands Anatomy

Anatomy Of Sublingual Salivary Glands

  • These are the smallest of all the salivary glands.
  • They are present in the floor of the oral cavity.
  • Their secretions are released directly into the floor of oral cavity.

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Salivary Glands Anatomy


Salivary Glands


  • There are three pairs of salivary glands, a pair of parotid glands, a pair of submandibular glands and a pair of sublingual glands.

  • They produces saliva which will moisten the food and helps in chewing and swallowing. 
  • It also contains salivary amylase which is digestive in function.

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Parotid Glands Anatomy

Anatomy of Parotid Glands :

  • These are the largest of all salivary gland.
  • They are present infront below and behind the auricle.
  • Each gland is pyramidal in shape with a base which is directed above in close contact with the ear and an apex which is directed below and extends into the neck.
  • The gland has 3 borders, Anterior border, Posterior and medial border.
  • It has 3 surfaces, superficial, anteromedial and posteromedial surface.
  • Within the gland 3 importan structures are present facial nerve, retromandibular vein, External parotid artery.
  • The secretions of the glands pass through the parotid duct which opens into the oral cavity opposite to the upper second molar tooth.
  • The parotid duct is also called as stensens duct.
  • Arterial supply : Superficial temporal and maxillary arteries.
  • Nerve supply : Auriculo temporal nerve.
  • Lymphatic Drainage : Superficial parotid group of lymph nodes.

Applied Anatomy :

     It a viral infection called as mumps, the parotid gland is inflamed and enlarged. It is a very painful condition. The patient will not be able to open his mouth.

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