Noun:

காதுமடலின் அடிப்பாகம்,

lobi's Usage Examples:

That any partial fusion of originally distinct chitinous plates takes place in the cephalic shield of Trilobites, comparable to the partial fusion of bony pieces by suture in Vertebrata, is a suggestion contrary to fact.

On the 1 A pair of round tubercles on the labrum (camerostome or hypostoma) of several species of Trilobites has been described and held to be a pair of eyes (22).

Globigerina ooze was recognized as an important deposit as soon as the first successful deep-sea soundings had been made in the Atlantic.

Haemoglobin is composed of a basic albumin and an acid substance haematin; it combines readily with oxygen, carbon dioxide and carbon monoxide to form loose compounds (see Nutrition).

People with gastrointestinal disorders should also be mindful of their iron intake, as their condition may cause iron to be absorbed into the small intestine, thus taking away the amount available for hemoglobin.

Between the two and at the highest point of the arc, so far as morphological differentiation is concerned, stands the scorpion; near to it in the trilobite's direction (that is, on the ascending side) are Limulus and the Eurypterines - with a long gap, due to obliteration of the record, separating them from the trilobite.

rugose corals and spiky trilobites.

These corpuscles may break down in the blood vessels, and their colouring material (haemoglobin) is set free in the serum.

The action is not due to any influence on the thermic centres, nor to any production of diaphoresis, but to the influence of quinine upon the stability of oxyhaemoglobin.

- Four stages in A B C D ° ```' the development of the trilobite Agnostus nudus.

With those considerations in mind, the claim of the extinct group of the trilobites to be considered as representatives of the lower and more primitive steps in the Arachnidan genealogy must, it seems, receive a favourable judgment.

Trilobites during this period sank to a very subordinate position, but Ostracods (Cythere, Kirkbya, Beyrichia) were abundant.