In this article we will discuss about:- 1. Introduction to Internal Jugular Vein 2. Relations of Internal Jugular Vein 3. Tributaries 4. Applied Anatomy. Introduction to Internal Jugular Vein: It is main venous channel of head and neck. Receives blood from brain, face and neck. Extent of Internal Jugular Vein: Begins at the base of skull in the jugular foramen [...]
In this article we will discuss about the extent and relations of cervical sympathetic trunk. Extent of Cervical Sympathetic Trunk: From base of skull to the neck of first rib. Preganglionic fibres arise from upper thoracic part of spinal cord - lateral horn cells (T1-T5). Relations of Cervical Sympathetic Trunk: Anterior: Carotid sheath with its content. Posterior: Prevertebral muscles and [...]
Waldeyer’s ring is a collection of lymphoid tissue or follicles in the upper part of digestive system. This ring is formed by: Superiorly- Pharyngeal tonsils or Adenoids. Inferiorly- Lingual tonsil. Laterally- Palatine tonsils and tubal tonsils. I. Pharyngeal Tonsil: Lie postero superiorly under the mucous membrane of the roof and adjoining posterior wall of nasopharynx. II. Lingual Tonsil: This is [...]