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n. pl. ter·a·to·mas or ter·a·to·ma·ta (-mə-tə)
A tumor consisting of different types of tissue, as of skin, hair, and muscle, caused by the development of independent germ cells.

ter′a·to′ma·tous (-tō′mə-təs) adj.


(Pathology) pathol relating to a tumour typically of the gonads
References in periodicals archive ?
In primary ovarian tumors, SATB2 was detected in 0 of 22 mucinous cystadenomas, 4 of 12 mucinous cystadenomas with mature teratomatous components (33%), 1 of 60 mucinous borderline tumors (1.
Hoefnagel D, Benirschke K, Duarte J: Teratomatous cysts within the vertebral canal: Observations on the occurrence of sex chromatin.
Teratomatous components in mediastinal GCTs have a special tendency for secondary transformation to squamous cell carcinomas (SCCs) adenocarcinomas and sarcomasor melanomas.
Analysis of 322 cases with special emphasis on teratomatous lesions and a proposal for histopathologic classification and clinical staging.
The pathologists could find no immature teratomatous component in multiple sections examined.
Non-germ-cell or teratomatous malignant tumors showing additional rhabdomyoblastic differentiation, with emphasis on the malignant Triton tumor.
Dermoid, epidermoid, and teratomatous cysts of the tongue and the floor of the mouth.
Owing to the presence of bone and cartilage, some pathologists may refer to our case as a teratomatous neuroenteric cyst.
One quarter of cases was found to be associated with teratomatous component.