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Both the modern Placozoa and all other animals then descended from this multicellular beginning stage via two different processes: [53] Infolding of the epithelium led to the formation of an internal system of ducts and thus to the development of a modified gallertoid from which the sponges ( Porifera ), Cnidaria and Ctenophora subsequently ...
Its ability to fight cancer through a combination of aggressive DNA repair and ejection of damaged cells makes it a promising organism for cancer research. [ 26 ] In addition to basic research, this animal could also be suitable for studying wound-healing and regeneration processes; as yet unidentified metabolic products should be researched.
Tissue may be missing, teeth may still be exposed, and the face is disfigured. The patient may have difficulty eating, drinking, and speaking. Teeth may become set in the wrong places, or be lost altogether. There may still be problems with drooling and with opening/closing the jaw. Reconstructive surgery is an option at this phase. Social ...
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Oral cancer, also known as oral cavity cancer, tongue cancer or mouth cancer, is a cancer of the lining of the lips, mouth, or upper throat. [6] In the mouth, it most commonly starts as a painless red or white patch , that thickens, gets ulcerated and continues to grow.
Veterinary oncology is a subspecialty of veterinary medicine that deals with cancer diagnosis and treatment in animals. Cancer is a major cause of death in pet animals. In one study, 45% of the dogs that reached 10 years of age or older died of cancer. [1]
Devil facial tumour disease (DFTD) is an aggressive non-viral clonally transmissible cancer which affects Tasmanian devils, a marsupial native to the Australian island of Tasmania. [1] [2] The cancer manifests itself as lumps of soft and ulcerating tissue around the mouth, which may invade surrounding organs and metastasise to
Originally, the group included not only single-celled microorganisms but also some "lower" multicellular animals, such as rotifers, corals, sponges, jellyfish, bryozoans and polychaete worms. [12] The term Protozoa is formed from the Greek words πρῶτος (prôtos), meaning "first", and ζῷα (zôia), plural of ζῷον (zôion), meaning ...