A fontanel may be soft and depressed as a result of dehydration. Also spelled fontanelle, fonticulus. Fontanels. fontanel Fontanelle, soft spot Anatomy A membrane-covered region on the skull of a fetus/infant, which corresponds to the convergence of suture lines, where ossification has not yet occurred fontanel
(February 2012) (Learn how and when to remove this template message) Tibial dyschondroplasia (TD) is a metabolic disease of young poultry that affects the growth of bone and cartilage. Often occurs in broilers (chickens raised for meat) and other poultry which have been bred for fast growth rates.
Syndromic forms of hypothyroidism are also well described. Pendred syndrome is caused by a mutation in the SLC26A4 gene, which causes a defect in the organification of iodine (ie, incorporation into thyroid hormone), congenital sensorineural hearing loss, and, usually, an enlarged thyroid gland.