Head And Neck

Systems Biology Of Facial Development Describe the development of the face in brief. Answer. The face develops from five mesenchymal processes, which appear around the stomodeum (primitive mouth). Frontonasal process – unpaired Maxillary processes – paired Mandibular processes – paired Frontonasal process: It lies above the stomodeum and is formed by … [Read more...] about Systems Biology Of Facial Development

Deep Cervical Fascia Enumerate the various layers of the deep cervical fascia. Answer. The deep cervical fascia consists of the following three layers: Investing layer pretracheal fascia/layer Prevertebral fascia/layer … [Read more...] about Deep Cervical Fascia

Prevertebral Fascia Write a short note on prevertebral fascia. Answer. It is so called because it lies in front of the cervical part of the vertebral column. Attachments Superiorly: The base of the skull. Inferiorly: Bodies of T3 and T4 vertebra. Laterally: Merges with posterior lamina of investing layer of the deep cervical fascia enclosing trapezius … [Read more...] about Prevertebral Fascia

Submandibular Triangle: Anatomy And Clinical Notes Describe the digastric (submandibular) triangle in brief. Answer. Boundaries Anteroinferiorly: Anterior belly of digastric. Posteroinferiorly: Posterior belly of digastric and stylohyoid. Superiorly (base) Base of mandible An imaginary line, joining the angle of the mandible to the mastoid … [Read more...] about Submandibular Triangle: Anatomy And Clinical Notes

Ansa Cervicalis: Anatomy And Function Write a short note on the ansa cervicalis. Answer. The ansa cervicalis is a ‘U’-shaped nerve loop derived from ventral rami of C1, C2 and C3 nerves. Location It lies on the anterior wall of the carotid sheath in the carotid triangle. Roots The superior root (limb) is formed by descendants hypoglossal (a branch of the … [Read more...] about Ansa Cervicalis: Anatomy And Function