The origin of the mid-gut (mesenteron), outer layers become continuous, forming respectively the amnion that has no chitinous lining in the developed insect, is the disputed and the serosa (fig.
What are some causes of stopped up ears? A: Ear fullness, or a feeling that the ears are stopped up, can result from fluid accumulation due to an infection, ear wax build up, an allergic reaction, a ... Full Answer > Filed Under:
Other Causes. A cold and sore throat will cause lymph nodes behind ear or the neck as well as at the base of your skull to swell. If you get an allergic reaction to anything including drugs, chances are that lymph nodes behind ear might swell alongside other symptoms.ancer. Some types of cancer cause the lymph nodes to swell. This is mostly a sign of blood cancers and lymphoma that cause malignant cells to flow through the whole body. Once the swelling is trapped behind the ears, a growth or tumor might develop there, putting your body on high alert.