Webster's New World Medical Dictionary

Cushing’s syndrome
104
04_189283 ch03.qxp 4/18/08 10:14 PM Page 104
http://www.rashidislamiccenter.com
http://www.allofislam.com/

---

incision). See also 
cyst of the ovary, follicular;
ovarian teratoma.
cyst, pilonidal
An abscess that occurs in the cleft
between the buttocks. Pilonidal cysts form fre-
quently in adolescence after long trips that involve
sitting, and they may be painful. Treatment fre-
quently involves surgery if not responsive to heat
applications and antibiotics.
cyst, sebaceous
A rounded, swollen area of the
skin formed by an abnormal sac of retained oily
excretion (sebum) from the sebaceous glands. See
also 
gland, sebaceous.
cyst, synovial, of the popliteal space
See
Baker cyst.
cyst, tarsal
See 
cyst, Meibomian.
cyst, thyroglossal
A fluid-filled sac that is pres-
ent at birth and located in the midline of the neck.
A thyroglossal cyst is a congenital malformation (a
birth defect). It results from incomplete closure of
a segment of the thyroglossal duct, a tube-like struc-
ture that normally closes as the embryo develops.
Also called a thyroglossal duct cyst or a thyrolingual
cyst.
cyst, thyrolingual
See 
cyst, thyroglossal.
cyst of the ovary, follicular
A fluid-filled sac in
the ovary. A follicular cyst is the most common type
of ovarian cyst. It results from the overgrowth of a
follicle, the fluid-filled cyst that contains an egg, that
does not rupture to release the egg. Normally ovar-
ian cysts resolve with no intervention over the
course of days to months. See also 
cyst, ovarian.