- May 2, 2026The sternohyoid arises from the posterior manubrium and medial clavicle via a flat tendinous origin and inserts into the inferior…
- May 2, 2026The omohyoid is a digastric muscle with an intermediate tendon that passes deep to the sternocleidomastoid, held by a fascial…
- May 2, 2026Longus colli attaches via short tendinous slips to the anterior vertebral bodies, transverse processes, and atlas, functioning as the primary…
- May 2, 2026The cricopharyngeal raphe is the posterior midline fibrous structure connecting the two sides of the cricopharyngeus muscle (upper esophageal sphincter)…
- May 2, 2026The digastric intermediate tendon is the central tendinous portion of the digastric muscle, connecting the anterior and posterior bellies and…
- May 2, 2026The atlanto-odontoid space (atlantodental interval, ADI) is the distance between the posterior surface of the anterior arch of C1 and…
- May 2, 2026The central canal of the spinal cord is the ependymal-lined cavity running through the centre of the spinal cord, a…
- May 2, 2026The pharyngeal cavity is the musculofascial tube extending from the skull base to the oesophageal inlet (C6 level), divided into…
- May 2, 2026The prevertebral space lies posterior to the prevertebral fascia (anterior to the vertebral bodies and prevertebral muscles — longus colli…
- May 2, 2026The suboccipital triangle is a small muscular space in the posterior craniovertebral junction, bounded by three muscles: rectus capitis posterior…