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A large increase in fetal growth occurs during what process?
A large increase in fetal growth occurs during the third trimester of pregnancy. This is when the baby gains the most weight and develops important organs and systems. The rapid growth during this period is crucial for the baby's overall health and development.
What are oncofetal antigens?
proteins made by genes that are very active during fetal development but function at a very low level after birth. The genes become activated when a malignant tumor arises and produce large amounts of protein
What is the anatomy of the alimentary canal in fetal pigs?
The alimentary canal of fetal pigs consists of the mouth, esophagus, stomach, small intestine (duodenum, jejunum, ileum), large intestine (cecum, colon, rectum), and anus. These structures play a role in the digestion and absorption of nutrients, with some modifications present in fetal pigs compared to adult pigs for fetal development and nutrient absorption during early stages of life.
Describe fetal congenital cystic adenomatoid malformation?
A condition in which one or more lobes of the lungs become fluid-filled sacs (cysts). Large CCAMs may prevent lung development, cause heart failure, or prevent the ingestion of amniotic fluid.
Artrial ligament connects pulmonary trunk to arch of aorta but pulmonary contains deoxygenated blood where as aorta contains oxygenated how ever in fetal life it by pass lungs how?
The arterial ligament in adults was once the arterial duct (ductus arteriosus) in the fetus. This is a connection between the pulmonary trunk, the large vessel leaving the right side of the heart that in an adult would be conducting deoxygenated blood to the lungs for some oxygen, and the aorta, the large vessel leaving the heart with the oxygenated blood for the rest of the body. Along with the ductus venosus, moving oxygenated blood from the mother/placenta directly to the large vein feeding the heart, and the foramen ovale connecting the two atria inside the heart, fetal blood flow from the heart mostly bypasses the lungs and goes right into general circulation. The primary reason for this is that the lungs are not being used to collect oxygen from the environment, as the placenta is exchanging oxygen from the mother's blood to the fetal blood.
How is a fetal pig and sheep heart similar?
If you look at the back wall of a fetal pig heart, you will see a vessel that is large in size in a sheep compared to the small size of the fetal pig heart. In sheep, the hemiazygous vein develops a connection to the heart through what becomes the superior vena cava.
Why does a fetal pig have a large liver?
The function of the liver is the remove toxins and metabolic wastes from the body. Fetal pigs have large livers because this function is important early on in life.
What is another name for the large intestine in a fetal pig?
Colon
What gland found in the upper thorax overlying the heart and large during youth?
The thymus gland is in the upper thorax anterior to the heart.
Does the fetal pig have an appendix?
Yes, fetal pigs do have an appendix. The appendix is a small, finger-shaped organ located at the junction of the small and large intestines. However, the appendix in fetal pigs and humans is not as prominent as in other animals.
What is the weight of fetal pig intestines?
The weight of a fetal pig's small intestine is said to be about 8.13 g. The weight of its large intestine is said to be 3.03 g.
What is found in the upper thorax overlying the heart also large during youth?
Thymus gland
