agenesis


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Related to agenesis: dysgenesis

agenesis

[′ā·jen·ə·səs]
(biology)
Absence of a tissue or organ due to lack of development.
References in periodicals archive ?
MSX1 is appreciated as an interesting candidate gene for envelopment in both selective tooth agenesis and cleft-palate in human with possible monogenetic cause of orofacial clefting in combination with hypodontia.
Agenesis of the gallbladder, first diagnosed by Bergman in 1701, is rare in man occurring in 10-65 per 100,00 population.
When an introitus cannot be visualized, evaluation for an imperforate hymen or agenesis of the lower vagina is necessary (Figure 1b and 1c).
Hydrocephalus, agenesis of the corpus callosum, and cleft lip/palate represent frequent associations in fetuses with Peters' plus syndrome and B3GALTL mutations.
Genetic analysis to investigate mutational defects, which might be associated with sectoral ciliary body agenesis, could offer valuable information.
Callosal agenesis with a cyst: a better understanding and new classification.
With increasing experience, the next two patients were diagnosed conclusively by laparoscopy to have agenesis of gallbladder without the need for conversion which was further confirmed by post-operative imaging studies.
In previous studies, Uslu et al3 showed that tooth agenesis was the most commonly found dental anomaly in orthodontic patients.
She underwent surgery for multinodular goitre, and agenesis of the isthmus was determined intraoperatively.
The mother of a 5-year-old boy is asking the RN questions about her child's recent diagnosis of unilateral renal agenesis. Which of these answers is incorrect?