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The Deep Fibular Nerve

…of the leg, between the fibularis longus muscle and the neck of the fibula. The nerve then travels medially, pierces the intermuscular septum, and enters the anterior compartment of the…

Great Vessels of the Heart

…coronary arteries. The second continuous segment is the arch of the aorta, from which branch the major arteries to the head, neck and upper limbs. These are: Brachiocephalic trunk Left…

The Diaphragm

…nerve, and vice versa. Each phrenic nerve is formed in the neck within the cervical plexus and contains fibres from spinal roots C3-C5. The majority of the arterial supply to…

The Oesophagus

…TeachMeSeries Ltd (2024) Fig 1.0 – The oesophagus Anatomical Course The oesophagus begins in the neck, at the level of C6. Here, it is continuous superiorly with the laryngeal part…

The Tongue

…down into the neck, If, on the way down, the pit (thyroglossal duct) doesn’t close behind the gland, midline thyroglossal cysts or fistulae may remain. Clinical Relevance – Tongue-Tie The…

The Parathyroid Glands

The parathyroid glands are endocrine glands located in the anterior neck. They are responsible for the production of parathyroid hormone (PTH), which acts to increase the level of serum calcium….

The Superior Mesenteric Artery

…– pyloric part of the stomach, splenic vein and neck of the pancreas. Posterior – left renal vein, uncinate process of the pancreas and inferior part of the duodenum. The…

The Phrenic Nerve

The phrenic nerve is a bilateral, mixed nerve that originates from the cervical nerves in the neck and descends through the thorax to innervate the diaphragm. It is the only…

…the suboccipital compartment of the neck; deep to the sternocleidomastoid, trapezius, splenius and semispinalis muscles. They collectively act to extend and rotate the head. In this article, we shall look…

Levator Scapulae

The levator scapulae is an extrinsic muscle of the back. It lies in the posterior triangle of the neck and attaches the upper limb to the vertebral column. Attachments: Originates…