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.
There are 2 causes of cholesteatoma: 1  Congenital cholesteatomal â this is a less common cause. 2  Acquired-this is the more common cause which is due to the tear or retraction of the eardrum.efinition of Cholesteatoma. Cholesteatoma is a condition wherein there is a benign growth of skin in the middle or petrous apex. This growth is considered abnormal.