- May 2, 2026The anterior jugular vein descends in the midline or paramedian neck from the chin, passing superficial to the strap muscles,…
- May 2, 2026The thyrocervical trunk is a short, wide branch of the subclavian artery arising just medial to the anterior scalene muscle.…
- May 2, 2026The costocervical trunk arises from the posterior aspect of the subclavian artery, just lateral to the thyrocervical trunk. It gives…
- May 2, 2026The external jugular vein forms at the angle of the mandible by the union of the posterior division of the…
- May 2, 2026The vertebral arteries supply the posterior brain (brainstem, cerebellum, occipital lobes) via the basilar artery. PICA occlusion produces the lateral…
- May 2, 2026The ascending cervical artery supplies the anterior cervical muscle group including the scalenes and longus colli, with spinal branches contributing…
- May 2, 2026The transverse cervical artery crosses the posterior triangle to supply the trapezius (superficial branch) and the dorsal scapular muscles (deep…
- May 2, 2026The deep cervical artery supplies the deep posterior cervical muscles (semispinalis capitis and cervicis, splenius, multifidus). Its anastomosis with the…
- May 2, 2026The superior thyroid artery is the primary blood supply to the upper pole of the thyroid gland and the adjacent…
- May 2, 2026The inferior thyroid artery provides the primary blood supply to the parathyroid glands and the lower pole of the thyroid,…