The dorsal never cord has a hollow tube. It is one of the features that are unique to the chordate phylum.
J.J Thomson's made a A cathode ray tube. This is a tube that is hollow and is sealed.
A hollow transparent pen without rifile
catheter
hollow passages in some arthropods that transport air throughout the body
optical telescope
Yes, stalactites can sometimes have a hollow central tube depending on how they formed. This can occur when water drips through the center of the stalactite, leaving behind the hollow tube as the mineral deposits accumulate on the outside.
The central hollow tube of an artery is known as the arterial lumen. Lumen is the general term for the hollow part of any tubular structure.
lumen - the central opening within a tube or hollow organ.
Yes, insects simply stab through sharp hollow tube. Stabbing sharp hollow tube's just a law of nature
A tube is a hollow cylinder.
a tube is a hollow cylinder , a cylinder can be hollow or solid - according to my Websters dictionary
The central stone of the coconut 'nut' which contains the edible flesh is hollow; therefore the coconut will float in water.
The hollow tube through which light passes in a microscope is called the body tube or optical tube. It houses the lenses that magnify the specimen and direct light to the eyepiece for viewing.
the proboscis. its actually its tongue...yes its hollow
Yes. The neural tube is a long, hollow structure that extends about the full length of the developing embryo. The tube itself gives rise to both components of the central nervous system (CNS): the brain and the spinal cord.
Its a Square hollow section its a regual beam that is hollow.. in other words a metal tube beam.
Because the tube is hollow