The family Potamotrygonidae are the only species of stingrays restricted to fresh water and located exclusively in South America. objective this research was analyze morphological aspects germ cells male reproductive tract Potamotrygon amandae. samples were fixed 10% formalin, then dehydrated an ascending ethanol series (70 100%). To carry out light microscopy analyses, they embedded paraffin, ...

Abstract Background The unilateral submandibular gland aplasia (agenesis) is a rare, asymptomatic condition usually discovered incidentally on imaging. This associated commonly with either compensatory hypertrophy of contralateral or sublingual glands. Case presentation We report the case 34-year-old male detected ipsilateral gland, demonstrated by imaging modalities, where we have highlighted ...

Histological sections from 30 lower lobe bronchi, taken from coalminers' lungs collected for the British National Coal Board's Pneumoconiosis Field Research, were selected according to the proportion of mucous gland area occupying the non-cartilaginous part of the bronchial wall. The total gland area expressed as a percentage of the non-cartilaginous wall was called the gland index. Estimations...

PURPOSE To report the prevalence of meibomian gland atrophy and gland tortuosity in a pediatric population. METHODS Participants who presented with no history of dry eye disease or meibomian gland dysfunction were recruited from the Duke University Eye Center. Meibography was performed and subjective symptoms were assessed through the Standard Patient Evaluation of Eye Dryness (SPEED) questio...

An ectopic thyroid is a form of thyroid dysgenesis in which an entire or parts of the thyroid gland may be located in another part of the body than what is the usual place. The most frequent location is the base of tongue. Although most cases are asymptomatic, symptoms related to tumor size and its relationship with surrounding tissues, hormonal dysfunction and seldom malignancy may also occur....

Thyroid ectopia is a dysgenesis of thyroid gland and Lingual position represents the most frequent ectopic location accounting up to 90% of ectopic cases. Hypothyroidism is commonly present because of absence of a normal thyroid gland in most instances. Primary hypothyroidism in juvenile population generally leads to retardation of linear growth and delay or even arrested puberty. We present a ...

One Case of primary malignant lvmphuma of the Thyroid is presented this article. The primilry lym­phoma of the thvroid gland 1s very rare. All reports agree that the distinction clinically and grossly be­tween lymphoma and undifferentiated carcinoma is extremely difficult.  The (qnphoma of thyroid is often associated with Hashimoto disease. The treatment of the primary m.ilignar:t lymphoma of ...