Yolk sac — Infobox Embryology Name = Yolk sac Latin = GraySubject = 11 GrayPage = 54 Caption = Human embryo of 2.6 mm. Caption2 = Human embryo from thirty one to thirty four days System = CarnegieStage = 5b Days = 9 Precursor = endoderm GivesRiseTo =… … Wikipedia
yolk sac carcinoma — see under tumor … Medical dictionary
tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a … Medical dictionary
Germ cell tumor — Classification and external resources Micrograph of a seminoma, a common germ cell tumor. ICD 10 C … Wikipedia
Endodermal sinus tumor — Infobox Disease Name = Endodermal sinus tumor Caption = DiseasesDB = 4248 ICD10 = ICD9 = ICDO = 9071/3 OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D018240 Endodermal sinus tumor (EST), also known as yolk sac tumor (YST), is a… … Wikipedia
Mediastinal germ cell tumor — Malignant mediastinal germ cell tumors of various histologies were first described as a clinical entity approximately 50 years ago.[when?] Mediastinal and other extragonadal germ cell tumors were initially thought to represent isolated metastases … Wikipedia
sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a … Medical dictionary
endodermal sinus tumor — yolk sac t … Medical dictionary
germ cell tumor — any of a group of tumors arising from primitive germ cells, usually of the testis or ovary; they range from benign to highly malignant. Types include embryonal carcinoma, germinoma, gonadoblastoma, polyembryoma, teratoma, and yolk sac or… … Medical dictionary
testicular tumor — general term for any tumor of the testis; in adults these are nearly always malignant germinomas, whereas in children many are yolk sac tumors or benign varieties such as teratomas, Leydig cell tumors, or androblastomas. Called also testiculoma … Medical dictionary
