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His back was turned and he did not see that sudden stiffening of her shoulders, or the sudden eagerness that seized her fingers as they adjusted the focus. But he did feel the wave of emotion that welled from her, impinging directly on his empathetic sense. "What is it?" he called to her, as if she had spoken aloud. "Something ... something here," she said, "in this leucocyte.
Most of them do no harm at all; indeed, some probably assist in the processes of digestion; others are camp-followers, living on our leavings; others, captive enemies which have been clubbed into peaceful behavior by our leucocyte and anti-body police. For instance, not a few healthy noses and throats contain the bacillus of diphtheria and the diplococcus of pneumonia.
In the former, which is far the commoner case, their presence will cause an irritation of the surface cells which brings out the leucocyte cavalry of the body to the defense, together with squads of the serum or watery fluid of the blood containing fibrin.
He'll call a council around the campfire to-night, and plenty pipes will be smoked. Everybody do as Big Chief says, eh?" "Sure thing, Geronimo; that's what we came for." "You don't know what you came for. Absolutely preposterous this thing is surgeon going to visit his case and bringing along a lot of people who don't know a mononuclear leucocyte from an eosinophile cell."
Let us dispose of Economics first, as having a solemn scientific appearance. Physical Economics treats of the internal affairs of the body; the whole machinery and how it works; all organs, members, functions; each last and littlest capillary and leucocyte, are parts of that "economy." Nature's "economy" is not in the least "economical."
It stood out sharply when he focused the white, jellyfish shape of a single-celled leucocyte. To his untrained eye there was nothing unusual about it. He couldn't know what was strange, when he had no idea of what was normal. "Do you see those spherical green shapes grouped together?" Lea asked. Before Brion could answer she gasped, "I remember now!" Her fatigue was forgotten in her excitement.
In the course of the resistless onward march of these rebel cell-columns some of their skirmishers push through the wall of a lymph-channel, or even, by some rare chance, a vein, and are swept away by the stream. Surely now the regular leucocyte cavalry have them at their mercy, and can cut them down at leisure. We little realize the fiendish resourcefulness of the cancer-cell.
Immediately before and after delivery, particularly in primiparæ, there is usually a moderate degree of leucocytosis. If the labour is normal and the puerperium uncomplicated, the number of leucocytes regains the normal in about a week. Lactation has no appreciable effect on the number of leucocytes. In new-born infants the leucocyte count is abnormally high, ranging from 15,000 to 20,000.
The clinical significance of the blood count in individual diseases will be further referred to. The Iodine or Glycogen Reaction. The leucocyte count may be supplemented by staining films of the blood with a watery solution of iodine and potassium iodide.
Although even here, as we shall see, it is only a question of quickness of response, for while the first bands of the enemy may be held at bay by the leucocyte cavalry, and a light attack repelled by their skirmish-line, yet when it comes to the heavy fighting of a fever-invasion, it is the slow but substantial burgher-like fixed cells of the body which form the real infantry masses of the campaign.
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