Congenital anomalies and syndromes Flashcards
Definition of malformation
Primary error of morphogenesis
Definition of disruption
Destruction of normally developed or developing organs/tissues
Definition of dysplasia
Abnormal Organisation of cells into tissues
Different types of abnormalities
- syndrome
- association
- sequence
Examples of multifactorial abnormalities
- cleft lip
- neural tube defects
- congenital heart disease
What’s teratogenic
Malformations produced in an embryo
What are some examples of teratogenic drugs
- alcohol
- vitamin
- warfarin
Infectious teratogens
- syphilis
- rubella
Syndromes caused by the deletion of a chromosome
Cri du chat
Syndrome caused by an autosomal recessive gene
cystic fibrosis
Syndrome caused by an autosomal dominant gene
Marfan syndrome (genetic condition affecting connective tissue)
What is classification of congenital abnormalities useful for
Genetic counseling