Anatomy

Thyroglossal Duct "What is the thyroglossal duct? A detailed question and answers guide" Question 1. Thyroglossal duct Answer: The thyroid gland develops from a median endodermal thyroid diverticulum This grows down in front of the neck from the floor of the primitive pharynx The lower end of the diverticulum enlarges to form the gland The rest of the … [Read more...] about Thyroglossal Duct

Internal Jugular Vein Question 1. Formation & termination of internal jugular vein Answer: Formation: It is downward continuation of Sigmoid sinus at the lower border of the jugular foramen Termination: It ends by joining the Subclavian vein to form the brachiocephalic vein behind medial end of the clavicle "Understanding the internal jugular vein … [Read more...] about Internal Jugular Vein

Styloid Process "What is the styloid process? A detailed question and answers guide" Question 1. Styloid process Answer: It is a long, slender and pointed bony process Projects downwards, forward and slightly medially from temporal bone It contains five attachments: two ligaments and three muscles Situation: Anteromedial to mastoid process Descends … [Read more...] about Styloid Process

Recurrent Laryngeal Nerve "How do neurons transmit motor signals to the larynx? FAQ explained" Question 1. Superior cervical sympathetic ganglion Answer: Superior cervical ganglion is largest of three ganglia It is spindle shaped structure It is 2.5 cm long Situation: Below the skull Opposite to C2 and C3 vertebrae Behind carotid sheath Front of … [Read more...] about Recurrent Laryngeal Nerve

Cusp Preservation: Definition & Technique Question 1. CUSP. Answer: It is an elevation or mound on the crown portion of a tooth making up a divisional part of the occlusal surface. It is an integral part of the occlusal surface. Generally, posterior teeth will have cusps. Different sets of teeth have different numbers of cusps. Example: Mandibular 1st … [Read more...] about Cusp Preservation: Definition & Technique