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The flatback sea turtle was originally described as Chelonia depressa in 1880 by American herpetologist Samuel Garman.The genus Natator (meaning "swimmer") was created in 1908 by Australian ichthyologist Allan Riverstone McCulloch, and in the same scientific paper he described what he thought to be a new species, Natator tessellatus, thereby creating a junior synonym.
Plagiocephaly, also known as flat head syndrome, [1] [2] is a condition characterized by an asymmetrical distortion (flattening of one side) of the skull. A mild and widespread form is characterized by a flat spot on the back or one side of the head caused by remaining in a supine position for prolonged periods.
Supine position: lying on the back with the face up; Prone position: lying on the chest with the face down ("lying down" or "going prone") Lying on either side, with the body straight or bent/curled forward or backward; Fetal position: is lying or sitting curled, with limbs close to the torso and the head close to the knees
It is so called because the triangular cross section gives a flat back edge opposite the cutting edge. [2] Later examples often have a "false edge" on the back near the tip, which was in many cases sharpened to make an actual edge and facilitate thrusting attacks.
Reduction in curvature is typically termed flat back if present in the thoracic region and lumbar kyphosis if present in the lumbar region. [5] In posture analysis, the spine is compared to a plumb line to detect the aforementioned abnormalities.
The saying alludes to the mythological idea of a World Turtle that supports a flat Earth on its back. It suggests that this turtle rests on the back of an even larger turtle, which itself is part of a column of increasingly larger turtles that continues indefinitely. The exact origin of the phrase is uncertain.
Mark Cuban was left ‘flat broke’ when an employee stole $82K from his first-ever company — here’s how he bounced back and what you can learn from his approach
Eurypanopeus depressus, the flatback mud crab or depressed mud crab, is a true crab belonging to the infraorder Brachyura and the family Panopeidae. [2] It is native to the western Atlantic Ocean and is often found in estuaries and lagoons, commonly living in close association with oysters.