Triangles of Neck

1.Describe the formation, termination, tributaries and clinical importance of external jugular vein.(1+1+2+

2.A college student was brought to the casualty with history of road traffic accident. Among other clinical findings there was evidence of injury of the facial nerve on the right side. From your knowledge of anatomy answer the following: • Describe the extra cranial course, relations, branches and distribution of the facial nerve. • What clinical features are expected to be seen if the nerve is injured as it emerges from the stylomastoid foramen

1.Boundaries and contents of carotid triangle

2.Sternocleidomastoid muscle

3.Boundaries and contents of posterior triangle of neck

4.Classify triangles of neck. Explain digastric triangle in detail

5.Facial nerve

6.Thyroid gland- external features, relations, blood supply and development

1.Ansa cervicalis

2.Jugular foramen

3.Describe the formation, course, termination and tributaries of external jugular vein

4.Explain anatomical basis of facial nerve palsy

5.Investing layer of deep cervical fascia

6.Carotid sheath

7.Extra cranial branches of facial nerve

1.Branches of external carotid artery

2.Distribution of cutaneous nerves to head and neck. Name the following

3.Nerves supplying digastric muscle

4.External jugular vein formed by

5.Transverse section through the neck at the level of cricoid (C6 vertebrae) cartilage Name the following

6.Formation of carotid sheath

1.The false capsule of the thyroid gland is formed by

• a) Investing layer of deep cervical fascia
• b) Pretacheal fascia
• c) Prevertebral fascia
• d) Carotid sheath