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A nosebleed (epistaxis) usually occurs in the anterior part of the nose from an area known as Kiesselbach's plexus which consists of arteries. Woodruff's plexus is a venous plexus in the posterior part and a nosebleed here accounts for only between 5 and 10 per cent of nosebleeds. Older adults are most often affected. [5]
Kiesselbach's plexus is an anastomotic arterial network (plexus) of four or five arteries in the nose supplying the nasal septum. It lies in the anterior inferior part of the septum known as Little's area, Kiesselbach's area, or Kiesselbach's triangle. It is a common site for anterior nosebleeds.
Wilhelm Kiesselbach (1 December 1839 – 4 August 1902) was a German otolaryngologist born in Hanau. From 1859 he studied medicine at the universities of Göttingen , Marburg and Tübingen . In 1877/78 he worked as assistant under Wilhelm Olivier Leube in the polyclinic at the University of Erlangen .
The venous plexus of hypoglossal canal [Note 1] is a small venous plexus surrounding the hypoglossal nerve (cranial nerve XII) [1] as it passes through the hypoglossal canal. [3] [4] [5] [better source needed] The plexus connects with the occipital sinus (intercranially), inferior petrosal sinus (intercranially), internal jugular vein (extracranially), [1] condylar vein, and paravertebral ...
The plexus provides motor innervation to most muscles of the soft palate (all but the tensor veli palatini muscle) and most muscles of the pharynx (all but the stylopharyngeus muscle). [1] The larynx meanwhile receives motor innervation from the vagus nerve (CN X) via its external branch of the superior laryngeal nerve and its recurrent ...
Kiesselbach was born in Shelby, Nebraska to Alexander and Caroline Bayrhoffer Kiesselbach on March 14, 1884. [1] He trained as both an undergraduate and graduate student at the University of Nebraska where he trained with Charles Bessey, receiving a BS in 1908, an MA in 1912, and a PhD in 1918. He joined the faculty of the University of ...
Woodruff's long career in journalism has included time at CNN and NBC News. She was host of PBS' “NewsHour” between 2013 and 2022, before stepping down for a reporting project.
The superior hypogastric plexus receives contributions from the two lower lumbar splanchnic nerves (L3-L4), which are branches of the chain ganglia. They also contain parasympathetic fibers which arise from pelvic splanchnic nerve (S2-S4) and ascend from inferior hypogastric plexus; it is more usual for these parasympathetic fibers to ascend to the left-handed side of the superior hypogastric ...