hejunum, uejunum, kejunum, mejunum, nejunum, jwjunum, jsjunum, jdjunum, jrjunum, jehunum, jeuunum, jekunum, jemunum, jenunum, jejynum, jejhnum, jejjnum, jejinum, jejubum, jejuhum, jejujum, jejumum, jejunym, jejunhm, jejunjm, jejunim, jejunun, jejunuj, jejunuk, the part of the small intestine between the duodenum and the ileum. Definition of jejunum in the Fine Dictionary. If the jejunum is impacted by blunt force the emesis reflex (vomiting) will be initiated. The lining of the jejunum is specialized for the absorption, by enterocytes, of small nutrient particles which have been previously digested by enzymes in the duodenum. late 14c., from L. ieiunum, neut. However, there are a few jejunal lymph nodes suspended in its mesentery. In English intellectual jargon, jejune is a favorite word signifying empty or devoid of substance as in “a jejune conversation”. It's arterial supply is provided by the jejunal arteries, while the innervation by the celiac and superior mesenteric plexi together with the vagus nerve. Noun . At autopsy this portion of the small intestine is often empty of contents as a result of terminal peristalsis. [9], From Infogalactic: the planetary knowledge core. So the vein in question is portal for two reasons: it carries or conveys the blood – and it delivers it to the porta. jejune)). [4] The division between the jejunum and ileum is not anatomically distinct. It was so called because this part of the small intestine was frequently found to be void of food following death, due to its intensive peristaltic activity relative to the duodenum and ileum. [NL., fr. Pronunciation IPA : /dʒiːˈdʒuːnəm/ Noun . Vermiform appendix – Vermiform comes from the Latin word vermis, meaning worm. These became known colloquially at “the figs of Fiacre”;.Oddly, he is more widely known as the Patron Saint of gardeners and once was a patron of Paris cab drivers. The jejunum is involved in magnesium absorption [citation needed]. Notice our English use of the same root in words such as porter, portable, import, etc. The interior surface of the jejunum—which is exposed to ingested food—is covered in finger–like projections of mucosa, called villi, which increase the surface area of tissue available to absorb nutrients from ingested foodstuffs. The terms appendices epiploica and epiploic appendages are acceptable Latin and English terms describing the small fatty masses attached to the colon. The villi in the jejunum are much longer than in the duodenum or ileum. Other animals. The next portion of the intestine is called the jejunum, because it is usually empty after death. of ieiunus (see JEJUNE (Cf. However, there are a few jejunal lymph nodes suspended in its mesentery. Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value). The plicae circulares are best developed in the jejunum. Basic Human Anatomy - O'Rahilly, Müller, Carpenter & Swenson, The ligamentum teres representing the obliterated left umbilical vein, The round ligament of the uterus, formally known as the ligamentum teres uteri. [1913 Webster] …   The Collaborative International Dictionary of English, Jejūnum — (lat. jejunum (plural jejuna or jejunums) The central of the three divisions of the small intestine which lies between the duodenum and the ileum; Related terms . It was so called because this portion of the intestine was found "empty" following death [Latin: jejunus, fasting; barren] Additional images The jejunum has many large circular folds in its submucosa called plicae circulares which increase the surface area for nutrient absorption. Jejunum definition is - the section of the small intestine that comprises the first two fifths beyond the duodenum and that is larger, thicker-walled, and more vascular … dodekadaktylon, lit. " It also contains circular and longitudinal smooth muscle which helps to move food along by a process known as peristalsis. nestis (Galen). Coined by Gerard of Cremona (d. 1187) in "Canon Avicennae," a loan-translation of Greek dodekadaktylon, literally "twelve fingers long." Seinen deutschen… …   Deutsch Wikipedia, Jéjunum — Intestin grêle Le jéjunum (de l adjectif latin jejune, qui signifie « jeûne » ou « affamé ») est la partie centrale de l intestin grêle, en aval du duodénum et en amont de l iléon. The caudate process lies between the porta hepatis and the inferior vena cava. The Greek word for that which we call the cecum is typhlos, again meaning blind. The jejunum lies between the duodenum and the ileum and is considered to start at the suspensory muscle of the duodenum, a location called the duodenojejunal flexure. Although little used now, the Greek etymology is richer and more interesting. In anatomy, the second division of the small intestine, of uncertain extent, intervening between the duodenum and the ileum; more fully, the intestinum jejunum: so named because it was supposed to be empty after death.

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