What is cyst?

Cyst are:

  • - 1. An abnormal sac within the body containing air or fluid
  • - 2. A bladder.

Baker’s c. A collection of escaped synovial fluid in the tissues outside the knee joint.
Bartholin’s gland c. The most common cyst of the vulva, resulting from retention of glandular secretions due to a blocked duct.
branchial c. A cyst resulting from the nonclosure of a branchial cleft.
bursal c. A retention cyst in a bursa.
chocolate c. A cyst of the ovary containing a thick dark brown tenacious fluid; often seen in endometriosis.
corpus luteum c. A cyst in the ovary formed from corpus luteum that remains cystic
with excessive fluid content instead of regressing normally; commonly associated with disturbance of or delay in menstruation.
dermoid c. A common, usually bilateral, ovarian cyst; it is lined with skin and contains displaced skin elements and often teeth and mandibular bone.
ependymal c. Cystic dilatation of the central canal of the spinal cord or of the cerebral
ventricles.
hydatid c. Cyst formed, usually in the liver, by the larval stage of the tapeworm.
meibomian c. See chalazion.
milk retention c., milk c. Retention cyst in the breast resulting from obstruction of a lactiferous duct.
mother c. The main echinococcus cyst containing smaller daughter cysts.
mucous c. Retention cyst resulting from closure of the duct of a mucous gland.
nabothian c. Retention cyst resulting from compression of a nabothian gland in the uterine cervix. Also called nabothian follicle.
omphalomesenteric duct c. A cystic dilatation along the remnant of the embryonic
omphalomesenteric duct.
ovarian c. Cystic tumor of the ovary.
periapical c. Cyst around the tip of a tooth root, usually a nonvital tooth.
piliferous c. Dermoid cyst containing hair.
pseudomucinous c. One containing gelatinous material.
retention c. Cyst resulting from obstruction or compression of the duct draining a gland.
sebaceous c. Cyst of the skin or scalp containing sebum and keratin; results from retention of a sebaceous gland secretion.
serous c. Cyst containing clear serous fluid.
solitary bone c. A single cyst lined with a thin layer of connective tissue and containing serous fluid; usually seen in the shaft of a long bone of a child.
urachal c. Abdominal cyst resulting from failure of a portion of the urachus to obliterate during intrauterine life.

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