Congenital Abnormalities-Changes in Size and Number of the Cells Flashcards
1
Q
What is Agenesis?
A
Failure of an organ to develop due to absence of primordial tissue
2
Q
When Agenesis occur?
A
Embryonic Growth Stage
3
Q
What are some organs agenesis can occur to?
A
Teeth, Kidney and Corpus Callosum
4
Q
Failure of an organ to develop during embryonic growth and development due to disorder of primordial tissue, although it is present. What am I?
A
Aplasia
5
Q
Define Hypoplasia
A
Refers to the lack of cells, e.g in the enamel or in the optic nerve
6
Q
An orifice or passage in the body is abnormally closed or absent. What am I? And what accompanies me?
A
Atresia and a Fistula
7
Q
What is Ectopia?
A
Displacement of mal-positioning of an organ
