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Definition of Spleen
1. Noun. A large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses.
Generic synonyms: Lymphatic Tissue, Lymphoid Tissue
Terms within: Arteria Lienalis, Lienal Artery, Splenic Artery, Splenic Vein, Vena Lienalis
Group relationships: Lymphatic System, Systema Lymphaticum
Derivative terms: Lienal, Splenetic, Splenic
2. Noun. A feeling of resentful anger.
Generic synonyms: Bad Temper, Ill Temper
Derivative terms: Irascible, Irascible, Splenetic
Definition of Spleen
1. n. A peculiar glandlike but ductless organ found near the stomach or intestine of most vertebrates and connected with the vascular system; the milt. Its exact function in not known.
2. v. t. To dislke.
Definition of Spleen
1. Noun. (anatomy immunology) In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes. ¹
2. Noun. (archaic except in the set phrase ''"to vent one's spleen"'') A bad mood; spitefulness. ¹
3. Verb. (obsolete transitive) To dislike. ¹
¹ Source: wiktionary.com
Definition of Spleen
1. a ductless organ of the body [n -S]
Medical Definition of Spleen
1.