Definition of Leukocyte

1. Noun. Blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system.

Definition of Leukocyte

1. Noun. (hematology cytology immunology) A white blood cell. ¹

¹ Source:

Definition of Leukocyte

1. [n -S]

Medical Definition of Leukocyte

1. White corpuscles in the blood. They are spherical, colourless and nucleated masses involved with host defenses. Normal white blood cell counts are variable with age and sex. Normal adult range is 4, 500 to 11,000 cells per cubic millimetre of blood. Slightly higher counts are seen in children. Elevated counts can be seen in cases of inflammation and infection. See: leucocytes, basophils, coelomocytes, eosinophils, haemocytes, lymphocytes, neutrophils, monocytes. Acronym: WBC (13 Nov 1997)

Leukocyte Pictures

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Lexicographical Neighbors of Leukocyte

leukocyte-adhesion deficiency syndrome
leukocyte adherence inhibition test
leukocyte adhesion deficiency
leukocyte common antigen
leukocyte count
leukocyte cream
leukocyte disorders
leukocyte elastase
leukocyte esterase
leukocyte inclusions
leukocyte interferon
leukocyte migration-inhibitory factors

Literary usage of Leukocyte

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1911)
"The Value of Lumbar Puncture and the leukocyte Count in Infantile Paralysis. ... The results of the leukocyte counts in this disease have not been uniform. ..."

2. Surgical Diagnosis by Daniel Nathan Eisendrath (1909)
"The differential leukocyte-count is of value chiefly in indicating fairly consistently (i) the existence of suppuration or gangrene, as evidenced by an ..."

3. Transactions of the Luzerne County Medidcal Society by Luzerne County Medical Society (1905)
"Diagnosis, appendicitis; on admission, leukocyte count fifteen thousand three hundred and twelve; operated and found the appendix very large and filled with ..."

4. The Journal of Infectious Diseases by Infectious Diseases Society of America, John Rockefeller McCormick Memorial Fund, John McCormick Institute for Infectious Diseases (1915)
"osmic 6.6 cocci per leukocyte. The 21 C. plus 38 C. test gave in the smears 6.4 cocci and in the osmic 6.4 cocci per leukocyte. The final dilutions of the ..."

5. American Medicine (1906)
"leukocyte count, 7920 ; urine, negative. The day after entering the hospital röntgen-ray treatment was begun, and four days later ..."

6. Transactions of the Association of American Physicians by Association of American Physicians (1904)
"Admitted on the fourth day of the disease with a leukocyte count of 40000 ... leukocyte count from 17600 to 23200, the low count at the close of the disease ..."

7. Pathogenic Microörganisms: A Practical Manual for Students, Physicians, and by William Hallock Park, Anna Wessels Williams, Charles Krumwiede (1917)
"leukocyte EXTRACT. OPSONINS. WE find that phagocytosis is most marked when the disease is on the decline or the infection mild, but is usually absent in ..."

8. Practical Bacteriology, Blood Work and Animal Parasitology: Including by Edward Rhodes Stitt (1916)
"The leukocyte count is on the average from 200000 to 500000. Cases are reported of more than 1000000 white cells. The neutrophilic myelocytes make up about ..."

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