Head And Neck

The Pharyngeal Arches Write a short note on pharyngeal apparatus. Answer. The pharyngeal apparatus consists of the following components: Five pharyngeal arches Four pharyngeal pouches Four pharyngeal clefts Four pharyngeal membranes All these components develop in the lateral wall of the primitive pharynx caudal to the primitive mouth/stomodeum. … [Read more...] about The Pharyngeal Arches

Pharyngeal Arches, Pouches, And Clefts Write a short note on pharyngeal arches. Answer. These are horseshoe-shaped cylindrical bars/elevations on either side in the anterolateral portion of wall of primitive pharynx. Each pharyngeal arch consists of four components: A core of mesoderm A cartilaginous bar A pharyngeal arch artery A nerve … [Read more...] about Pharyngeal Arches, Pouches, And Clefts

Pharyngeal Arches: Anatomy And Clinical Aspects Enumerate the mesodermal derivatives of 1st and 2nd pharyngeal arches in tabular form. Answer. These are as follows: … [Read more...] about Pharyngeal Arches: Anatomy And Clinical Aspects

Hyoglossus Muscle: Attachments And Function Describe the origin, insertion, nerve supply and actions of the hyoglossus muscle. Answer. It is the key muscle of the submandibular region. Hyoglossus Muscle Origin From the greater cornu and lateral part of the body of the hyoid bone. Hyoglossus Muscle Insertion Fibres run upwards and forward to be inserted into the side … [Read more...] about Hyoglossus Muscle: Attachments And Function

Hyoglossus Question 1. Enumerate the structures passing deep to the posterior border of the hyoglossus. Answer. From above to downwards, these are as follows: Glossopharyngeal nerve (CN 9) Stylohyoid ligament Lingu Question 2. Write briefly about the sublingual gland. Answer. It is a small, almond-shaped salivary gland located on the floor of the … [Read more...] about Hyoglossus