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.
Pathophysiology. Camner and coworkers first suggested ciliary dyskinesia as the cause of Kartagener syndrome in 1975. They described 2 patients with Kartagener syndrome who had immotile cilia and immotile spermatozoa. These patients had poor mucociliary clearance because the cilia that lined their upper airways were not functioning.