root end cyst |
An inflammatory odontogenic cyst derived histogenetically from Malassez' epithelial rests surrounding the root apex of a nonvital tooth.
Synonym: periapical cyst, radicular cyst, root end cyst.
(05 Mar 2000) |
chyle cyst |
A circumscribed dilation of a lymphatic channel of the mesentery, containing chyle.
(05 Mar 2000) |
milk cyst |
A retention cyst in the mammary gland resulting from closure of a lactiferous duct.
Synonym: milk cyst.
(05 Mar 2000) |
pilar cyst |
A common cyst of the skin and subcutis which contains sebum and keratin, and is lined by pale-staining stratified epithelial cells derived from follicular trichilemma.
Synonym: trichilemmal cyst.
(05 Mar 2000) |
piliferous cyst |
A dermoid cyst containing hair.
(05 Mar 2000) |
pilonidal cyst |
A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence after long trips that involve sitting.
(12 Dec 1998) |
pineal cyst |
A cyst of the pineal gland; rarely of clinical importance.
(05 Mar 2000) |
colloid cyst |
A cyst with gelatinous contents.
(05 Mar 2000) |
morgagnian cyst |
A small fluid-filled cyst attached by a slender stalk to the fimbriated end of the uterine tube; a vestigial remnant of the embryonic mesonephric duct.
Synonym: appendix vesiculosa, Morgagni's hydatid, morgagnian cyst, stalked hydatid, vesicular appendage.
(05 Mar 2000) |
mother cyst |
A hydatid cyst from the inner, or germinal, layer, from which secondary cyst's containing scoleces (daughter cyst's) are developed; sometimes tertiary cyst's (granddaughter cyst's) are developed within the daughter cyst's; occurs most frequently in the liver, but may be found in other organs and tissues; symptoms are those of a tumour of the part affected.
Synonym: parent cyst.
(05 Mar 2000) |
compound cyst |
A cyst containing several compartments formed by membranous septa.
Synonym: compound cyst.
(05 Mar 2000) |
wolffian cyst |
A cyst lying in the broad ligaments of the uterus and arising from any mesonephric structures.
(05 Mar 2000) |
multilocular cyst |
A cyst containing several compartments formed by membranous septa.
Synonym: compound cyst.
(05 Mar 2000) |
multilocular hydatid cyst |
A hydatid cyst of a multiloculate type, usually in the liver, caused by Echinococcus multilocularis, adults of which are in foxes; larvae (alveolar hydatid) are found chiefly in microtine rodents, but also among humans such as trappers and others handling pelts of infected foxes and other carnivores; growth is by exogenous budding and is not limited by an outer laminated membrane as in the hydatid cyst from E. Granulosus; necrosis, cavitation, contiguous spread, and death usually ensue.
Synonym: multilocular hydatid cyst, multiloculate hydatid cyst.
(05 Mar 2000) |
Cowper's cyst |
A retention cyst of a bulbourethral gland.
(05 Mar 2000) |