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Tetralogy of Fallot
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What is caused by abnormal embryonic development and includes four defects?
Tetralogy of Fallot
Is caused by abnormal embryonic development and includes four defects?
Tetralogy of Fallot
Congenital septal defects are holes that form in the septum during the embryonic development of the heart---resulting in the abnormal flow of blood from?
the left side of the heart to the right
What is the medical term meaning factor that causes abnormal fetal development and birth defects?
A teratogen is a factor that causes birth defects.
When do atrial septal defects occur?
Abnormal openings in the atrial septum occur during fetal development and are twice as common in females as in males. These abnormalities can go unnoticed if the opening is small, producing no abnormal symptoms
What birth defects can occur during the embryonic stage?
During the embryonic stage, various birth defects can occur, including neural tube defects (such as spina bifida or anencephaly), congenital heart defects, and limb abnormalities. These defects can be influenced by genetic factors, environmental exposures, maternal health, and nutritional deficiencies, such as a lack of folic acid. The embryonic stage, which spans from weeks 3 to 8 of pregnancy, is a critical period for organogenesis, making it particularly vulnerable to disruptions. Early prenatal care and appropriate interventions can help reduce the risk of these defects.
What are embryonic lethal mutations?
Embryonic lethal mutations are genetic mutations that prevent an organism from developing past the embryonic stage, leading to death in utero. These mutations can be caused by defects in essential genes or developmental processes, resulting in non-viable embryos. These mutations are important to study to understand gene function and embryonic development.
What does abnormal t-wave mean?
Abnormality can be due to abnormal heart rhythms or cardiac muscle defects.
What are the various birth defects?
There are thousands of identified birth defects. Birth defects are abnormal developments present at birth that can cause physical or mental disability. Some, but not all are fatal.
Which period of prenatal development is where the major organs are first developing?
The period of prenatal development where major organs start developing is called the embryonic period. This stage typically occurs from about week 4 to week 8 after fertilization. This is a critical period for organ development and any disruptions during this time can lead to significant birth defects.
Why is the embryonic period considered the critical period?
because the embryonic period is the time when the embryo grows up in to fetus by performing several processes, these process are so much important that if these are not happen in the mean time then the fetus may catch many deformities and anomolies .
Exposure to what most likely affected cell diffrerentiation in the growing embryo?
Exposure to various environmental factors, such as chemicals, hormones, and nutrients, significantly affects cell differentiation in a growing embryo. Teratogens, for example, can disrupt normal developmental processes, leading to abnormal differentiation and potential birth defects. Additionally, signaling molecules and growth factors play critical roles in guiding stem cells to differentiate into specific cell types during embryonic development.
