a study in 2001 based on comparisons of ribosome dna concluded that the most fundamental division within sponges was between glass sponges and the rest, and that eumetazoa are more closely related to calcareous sponges, those with calcium carbonate spicules, than to other types of sponge.
this list of rugby league terms is a general glossary of the terminology used in the sport of rugby league football. the sport has accrued a considerable amount of jargon to describe aspects of the game. many terms originate from the laws of the game. a number of aspects of the game have more than one term that refers to them.
myasthenia gravis mg is a long-term neuromuscular disease that leads to varying degrees of skeletal muscle weakness. the most commonly affected muscles are those of the eyes, face, and swallowing. it can result in double vision, drooping eyelids, trouble talking, and trouble walking. onset can be sudden. those affected often have a large thymus or develop a thymoma.
a slap tear or slap lesion is an injury to the glenoid labrum fibrocartilaginous rim attached around the margin of the glenoid cavity . slap is an acronym for ' superior labral tear from anterior to posterior '. several symptoms are common but not specific: dull, throbbing, ache in the joint which can be brought on by very strenuous exertion .
the blake type jaw crusher has a fixed feed area and a variable discharge area. blake crushers are of two types- single toggle and double toggle jaw crushers. in the single toggle jaw crushers, the swing jaw is suspended on the eccentric shaft which leads to a much more compact design than that of the double toggle jaw crusher. background history industrial use types of crushers technologyaol.com - news, sports, weather, entertainment, local .
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the abdomen colloquially called the belly, tummy or midriff is the part of the body between the thorax chest and pelvis, in humans and in other vertebrates.the abdomen is the front part of the abdominal segment of the trunk.the region occupied by the abdomen is called the abdominal cavity.in arthropods it is the posterior tagma of the body; it follows the thorax or cephalothorax.
yaws is a tropical infection of the skin, bones and joints caused by the spirochete bacterium treponema pallidum pertenue. the disease begins with a round, hard swelling of the skin, 2 to 5 centimeters in diameter. the center may break open and form an ulcer. this initial skin lesion typically heals after three to six months. after weeks to years, joints and bones may become painful, fatigue .
basal-cell carcinoma bcc , also known as basal-cell cancer, is the most common type of skin cancer. it often appears as a painless raised area of skin, which may be shiny with small blood vessels running over it; or it may present as a raised area with ulceration. basal-cell cancer grows slowly and can damage the tissue around it but is unlikely to spread to distant areas or to result in death.
rhabdomyolysis is a condition in which damaged skeletal muscle breaks down rapidly. symptoms may include muscle pains, weakness, vomiting, and confusion. there may be tea-colored urine or an irregular heartbeat. some of the muscle breakdown products, such as the protein myoglobin, are harmful to the kidneys and may lead to kidney failure.. the muscle damage is most often the result of a crush .
the ankle jerk reflex, also known as the achilles reflex, occurs when the achilles tendon is tapped while the foot is dorsiflexed.it is a type of stretch reflex that tests the function of the gastrocnemius muscle and the nerve that supplies it. a positive result would be the jerking of the foot towards its plantar surface.being a deep tendon reflex, it is monosynaptic.
cholangiocarcinoma, also known as bile duct cancer, is a type of cancer that forms in the bile ducts. symptoms of cholangiocarcinoma may include abdominal pain, yellowish skin, weight loss, generalized itching, and fever. light colored stool or dark urine may also occur. other biliary tract cancers include gallbladder cancer and cancer of the ampulla of vater.