Chapter 6: The Spleen Flashcards
(133 cards)
a small round island of splenic tissue often located near the splenic hilum or near the tail of the pancreas; also referred to as a spelnule, a splenunculus, or a supernumery spleen
accessory spleen
a rare malignant tumor of the spleen that is derived from blood vessels
angiosarcoma
congenital absence of the spleen
asplenia
the gradual fibrosis and dysfunction of the spleen secondary to a disease
autosplenectomy
presence of bacteria in the blood
bacteremia
an infection on the surface of the heart that can spread to other organs
bacterial endocarditis
a growth disorder syndrome synonymous with enlargement of several organs include the skull, tongue, and liver
Beckwith-Wiedemann syndrome
non-penetrating injury to the body
blunt trauma
having a round inward surface
concave
having a rounded exterior surface
convex
the splenic process of removing irregular red blood cells from the bloodstream
culling
a herpes virus that can lead to infection mononucleosis
Epstein-Barr infection
the process of making red blood cells
erythropoeisis
the spleen’s hematopoeitic function which can return in cases of severe anemia
extramedullary hematopoesis
small echogenic calcifications that result from inflammation of the tissue in that area
granulomas
an inherited disease that disrupts the normal immune system and causes it to malfunction, resulting in immunodeficiency; chronic inflammation can lead to development of granulomas in several organs
granulomatous disease
a benign tumor composed of blood vessels
hemangioma
a group of inherited syndromes in which the organs of the chest and abdomen are abnormally arranged; often includes either asplenia or polysplenia and many other anomalies
heterotaxia syndromes
a disease the results from the inhalation of an airborne fungus that can affect the lungs and may spread to other organs
histoplasmosis
carcinoma of the lymphocytes that has a relatively high recovery rate; cancer of the lymphatic system
Hodgkin lymphoma
a cyst that results from the parasitic infestation of an organ by a tapeworm
hydatid cyst
an overactive spleen; cytopenia caused by splenomegaly
hypersplenism
a reduction in the number of leukocytes in the blood
leukopenia
braking down of a cellular membrane
lysis