| MOPD | microcephalic osteodysplastic primordial dwarfism |
|---|---|
| PGC | progastricin; primordial germ cell |
| BCE | basal cell epithelioma; benign childhood epilepsy; bubble chamber equipment |
| EAC | Ehrlich ascites carcinoma; electroacupuncture; epithelioma adenoides cysticum; erythema annulare cen... |
| ESS | empty sella syndrome; endostreptosin; erythrocyte-sensitizing substance; euthyroid sick syndrome; ev... |
| BCE | Basal cell epithelioma |
|---|---|
| PGC | Primordial germ cell |
| primordial | 1. First in order; primary; original; of earliest origin; as, primordial condition. "The primordial facts of our intelligent nature." 2. <geology> Of or pertaining to the lowest beds of the Silurian age, corresponding to the Acadian and Potsdam periods in American geology. It is called also Cambrian, and by many geologists is separated from the Silurian. 3. <biology> Originally or earliest formed in the growth of an individual or organ; as, a primordial leaf; a primordial cell. <botany> Primordial utricle, the interior lining of a young vegetable cell. Origin: L. Primordialis, from primordium the first beginning; primus first + ordiri to begin a web, to begin: cf. F. Primordial. Source: Websters Dictionary (01 Mar 1998) |
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| primordial cartilage | Cartilage in an early stage in its development. (05 Mar 2000) |
| primordial cell | A cell from a group that constitutes the primordium of an organ or part of the embryo. (05 Mar 2000) |
| primordial cyst | A cyst which develops in place of a tooth through cystic degeneration of the enamel organ prior to formation of calcified odontogenic tissue. (05 Mar 2000) |
| primordial dwarfism | Dwarfism characterised by normal development that is at a strikingly lesser rate than that for members of the same family, race, or other races. Synonym: primordial dwarfism, true dwarfism. (05 Mar 2000) |
| primordial germ cell | The most primitive undifferentiated sex cell, found initially outside the gonad. Synonym: gonocyte. (05 Mar 2000) |
| primordial gigantism | Unusually large size from birth due to familial or genetic factors or intrauterine environment (e.g., maternal prediabetic state) and not to hyperpituitarism. (05 Mar 2000) |
| primordial kidney | 1. The definitive excretory organ of primitive fishes. Synonym: head kidney. 2. In the embryos of higher vertebrates, a vestigial structure consisting of a series of tortuous tubules emptying into the cloaca by way of the primary nephric duct; in the human embryo, the pronephros is a very rudimentary and temporary structure, followed by the mesonephros and still later by the metanephros. Synonym: forekidney, primordial kidney. Origin: pro-+ G. Nephros, kidney (05 Mar 2000) |
| primordial ovarian follicle | A follicle in which the primordial oocyte is surrounded by a single layer of flattened follicular cells. (05 Mar 2000) |
| basal cell epithelioma | <oncology, tumour> The most common form of skin cancer. A malignant growth of epidermal tissue, specifically basal cells. most common in the fair-skinned on sun-exposed areas (especially the face). (15 Nov 1997) |
| Borst-Jadassohn type intraepidermal epithelioma | <tumour> Precancerous lesions clinically suggestive of actinic or seborrheic keratosis, with nests of immature or abnormal keratinocytes within the epidermis. (05 Mar 2000) |
| Malherbe's calcifying epithelioma | A tumour composed of cells resembling those of the hair matrix, which undergo 'mummification' and may calcify. It is a relatively uncommon tumour, which may occur at any age from infancy. The majority of patients are under 20, and females are affected more than males. The lesion is usually a solitary deep dermal or subcutaneous tumour 3-30 mm in diameter, situated in the head, neck, or upper extremity. (12 Dec 1998) |
| malignant ciliary epithelioma | <tumour> Malignant hyperplasia of ciliary epithelium with frequent involvement of the pigmented layer. Synonym: adult medulloepithelioma. (05 Mar 2000) |
| chorionic epithelioma | An obsolete term for choriocarcinoma. (05 Mar 2000) |
| multiple self-healing squamous epithelioma | <tumour> Multiple skin tumours, most frequently on the head, each resembling a well-differentiated squamous carcinoma or keratoacanthoma; individual tumours resolve spontaneously after several months, leaving deep-pitted scars with irregular crenellated borders, and are usually replaced by additional new tumours; autosomal dominant inheritance. (05 Mar 2000) |
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