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Ascidiacea, commonly known as the ascidians or sea squirts, is a paraphyletic class in the subphylum Tunicata of sac-like marine invertebrate filter feeders. [2] Ascidians are characterized by a tough outer test or "tunic" made of the polysaccharide cellulose .
Polycarpa aurata, also known as the ox heart ascidian, the gold-mouth sea squirt or the ink-spot sea squirt, is a species of tunicate in the family Styelidae. Description [ edit ]
Hand, foot, and mouth disease (HFMD) is a common infection caused by a group of enteroviruses. [10] It typically begins with a fever and feeling generally unwell. [10] This is followed a day or two later by flat discolored spots or bumps that may blister, on the hands, feet and mouth and occasionally buttocks and groin.
Like in all tunicates, larvae are motile and tadpole-shaped. They measure around 1.25 millimetres (0.049 in) in length, of which the tail comprises 0.75 millimetres (0.030 in). The larval body is divided into a frontal plate, with three adhesive papillae, and a trunk bearing an ocellus and an otolith. [5]
It normally grows to about 8–15 cm (3–6 in) in exposed sites. However, in the more rare, calm habitats, it can grow up to about 25 cm (10 in). The body of Styela montereyensis is elongate and cylindrical, and is attached to a thinner stalk approximately the same length as the body. Its siphons are close together at the distal end, with its ...
Cases have risen dramatically over last decade, according to recent research
A diagnosis can be made from clinical signs and symptoms, and treatment consists of minimizing the discomfort of symptoms. [5] It can be differentiated from herpetic gingivostomatitis by the positioning of vesicles - in herpangina, they are typically found on the posterior oropharynx, as compared to gingivostomatitis where they are typically found on the anterior oropharynx and the mouth.
According to Mayo Clinic, additional symptoms include: A sore throat. Koplik’s spots, which are small white spots that have a bluish-white center and a red background in your mouth, lining your ...