Hyperparathyroidism is an increased parathyroid hormone (PTH) levels in the blood. This occurs either from the parathyroid glands inappropriately making too much PTH (primary hyperparathyroidism) or other events triggering increased production by the parathyroid glands (secondary hyperparathyroidism). Most people with primary disease have no symptoms at the time of diagnosis.
The Roman Shields or Scutum were made mainly of strips of wood, which would have a large central part made out of metal called a boss: this served as added protection for the â¦ hand and also as a weapon: it could be shoved into someones face or torso to cause disablement.onfidence votes 43. they were made by lots of strips of wood stuck together. and it had a metal semicircle in the middle of the shield to hit barbarians and knock them of guard and stab them. And the shields have marks on them to show the legion their in.
Opus caementicium exposed in a characteristic Roman arch. In contrast to modern concrete structures, the concrete used in Roman buildings was usually covered with brick or stone. Concrete is a composite material composed of coarse aggregate bonded together with a fluid cement that hardens over time. Most concretes used are lime-based concretes such as Portland cement concrete or concretes made with other hydraulic cements, such as ciment fondu.