Controls passive from the esophagus into the stomach.
There are many characteristics found in a fetal pig. Fetal pigs generally have all of the characteristics of an adult pig.
Between the stomach and the small intestine
hair found on fetal pig is very thin and light-colored. it is found all over the pig's body.
Simply because it is closer to the heart. Cardiac refers to the heart.
There is a very good reason there is no food found in a fetal pig's stomach. The fetal pig was never born.
Fetal pigs are not as developed as an adult.
The trachea, heart, lungs, bronchial tubes, thyroid gland, and the larynx are found in the cavity of a fetal pig.
The main purpose of the sphincter is to control or limit a passage way to one direction. There are two main sphincters in pigs, the cardiac sphincter that controls the passageway from the esophagus into the stomach. And the pyloric sphincter that controls the passageway into the duodenum.
Meconium
Fetal pig diagrams can be found in most high school or "first" biology/zoologycollege, text books. There are many laboratory instruction manuals available also.
the rostrum is the snout of a fetal pig
No. All contain cardiac tissue after the circulatory system has developed, but no more proportionally than any other human or pig.