pitting pityriasis - lippincott williams &...

pitting 1216 pityriasis

faces (often golds, solder joints, or amalgam). It cell closely related to neuroglia. [pituitary + G.kytos, cell]may arise from a variety of causes, although the

clinical occurrence is often associated with cor-pi•tu•i•cy•to•ma (pi-tu′i-sı-to′ma) A rare gliog-rosion. SEE ALSO pitting edema, nail pits.enous neoplasm derived from pituicytes, occur-ring in the posterior lobe of the pituitary gland�pit•ting e•de•ma (pit′ing e-de′ma) Edema thatand characterized by cells with small nuclei andretains for a time the indentation produced bylong processes that form a network of cytoplas-pressure. See this page.mic material, in which droplets of fat may bedemonstrated. [pituicyte + G. -oma, tumor]

pi•tu•i•tar•ism (pi-tu′i-tar-izm) Pituitary dys-function. SEE hyperpituitarism, hypopituitarism.

pi•tu•i•tar•y (pi-tu′i-tar-e) Relating to the pitui-tary gland (hypophysis). [L. pituita, phlegm]

pi•tu•i•tar•y ca•chex•i•a (pi-tu′i-tar-e ka-kek′se-a) SYN Simmonds disease.

pi•tu•i•tar•y di•ver•tic•u•lum (pi-tu′i-tar-e dı′ver-tik′yu-lum) SYN hypophysial diverticulum.

pi•tu•i•tar•y dwarf•ism (pi-tu′i-tar-e dworf′izm) A rare form of dwarfism caused by theabsence of a functional anterior pituitary gland;may be present at birth or develop during earlychildhood.

pi•tu•i•tar•y dys•to•pi•a (pi-tu′i-tar-e dis-to′pe-a) Failure of union of neurohypophysis andadenohypophysis.

pi•tu•i•tar•y gi•gan•tism (pi-tu′i-tar-e jı-gant′izm) A form of gigantism caused by hypersecre-tion of pituitary growth hormone; a rare disordercommonly the result of a pituitary adenoma.

pi•tu•i•tar•y gland (pi-tu′i-tar-e gland) SYN hy-pophysis.

pi•tu•i•tar•y go•nad•o•tro•pic hor•mone(pi-tu′i-tar-e go-nad′o-tro′pik hor′mon) SYN ante-rior pituitary gonadotropin.

pi•tu•i•tar•y growth hor•mone (pi-tu′i-tar-egroth hor′mon) SYN somatotropin.

pi•tu•i•tar•y myx•e•de•ma (pi-tu′i-tar-e mik-se-de′ma) A form of hypothyroidism resultingfrom inadequate secretion of the thyrotropic hor-mone; commonly occurs in association with in-adequate secretion of other anterior pituitary hor-mones.

pi•tu•i•tar•y stalk (pi-tu′i-tar-e stawk) A pro-cess comprising the tuberal part investing theinfundibular stem that attaches the hypophysis tothe tuber cinereum at the base of the brain.

pitting edema: (A) finger pressure is applied to area near ankle; (B) when pressure is released, indentation remains in edematous tissue

A

B

pit•y•ri•a•sic (pit′i-rı-as′ik) Relating to or suf-Pitts•burgh pneu•mo•ni•a (pits′burg nu-mo′ fering from pityriasis.ne-a) A variant of Legionnaire’s disease causedby Legionella micdadei. pit•y•ri•a•sis (pit′i-rı′a-sis) A dermatosis

marked by branny desquamation. [G., fr. pityron,Pitts•burgh pneu•mo•ni•a a•gent (pits′burg bran, dandruff]nu-mo′ne-a a′jent) SYN Legionella micdadei.

pit•y•ri•a•sis al•ba (pit′i-rı′a-sis al′ba) Patchypi•tu•i•cyte (pi-tu′i-sıt) The primary cell of the hypopigmentation of the skin resulting from

posterior lobe of the pituitary gland, a fusiform mild dermatitis.