I believe it's septa
seta
Typhlosole.
Usually it is called the ileocecal valve. It separates the small intestine from the large intestine.
You can use a program called GParted to add, edit, and delete partitions.
Earthworm poop is called castings or vermicast. It is a nutrient-rich fertilizer produced by earthworms as they digest organic matter in the soil.
i believe it is called hatchling.
Prostomium is the frontmost part of the earthworm. This is not called a true segment as it doesn't contain typical organs of an annelida. Peristomium is from where the true segment of the earthworm body starts.
Between the stomach-small intestine is the Pyloric. Between the small intestine and large intestine is the ileo-caecal. Then 2 sphincters at the end of the "process:" one to send messages to your brain to tell you to go to the bathroom and one to "control" yourself.
The gall bladder.
An earthworm is not a filter feeder. Marine animals that feed by passing nutrient-rich water through their gills are called filter feeders because their gills filter nutrients from the water and pass them into their intestines. An earthworm does not have gills and does not normally live in water. The earthworm's digestive system consists of a pharynx, esophagus, crop (food receptacle), gizzard (used for grinding swallowed earth), and a long, straight intestine.
In general there are a number of vertical partitions: between the testicles, between the bodies of the lateral ventricles of the brain and so forth. This is also called a septum.
earthworm moves by the hair like projections called setae .