Eosinophil maturation

Published on 04/03/2015 by admin

Filed under Hematology, Oncology and Palliative Medicine

Last modified 04/03/2015

Print this page

rate 1 star rate 2 star rate 3 star rate 4 star rate 5 star
Your rating: none, Average: 0 (0 votes)

This article have been viewed 8521 times

7 Eosinophil maturation

image

FIGURE 7–1 Eosinophilic sequence—eosinophilic myelocyte.

Eosinophilic myelocyte

image

FIGURE 7–2A Eosinophilic myelocyte.

image

FIGURE 7–2B Electron micrograph of eosinophilic granules to demonstrate crystalline structure of granules.

Size:

12-18 μm

Nucleus:

Round to oval; may have one flattened side

Nucleoli:

Usually not visible

Chromatin:

Coarse and more condensed than promyelocyte

Cytoplasm:

Colorless to pink

Granules:

Primary:

Few to moderate

Secondary:

Variable number; pale orange to dark orange; round; appear refractile

N/C RATIO:

2:1 to 1:1

Reference interval:

Bone marrow:

0% to 2%

Peripheral blood:

0%

Note:

This chapter begins with the image of the myelocyte, rather than the blast, because it is at the myelocyte stage that secondary granules, which define a cell as an eosinophil, first appear.

image

FIGURE 7–3 Eosinophilic sequence—eosinophilic metamyelocyte.

Eosinophilic metamyelocyte

image

FIGURE 7–4 Eosinophilic metamyelocyte.

Size:

Buy Membership for Hematology, Oncology and Palliative Medicine Category to continue reading. Learn more here

Related posts:

Variations in size and color of erythrocytes Introduction to peripheral blood smear examination Monocyte maturation Microorganisms Diseases affecting erythrocytes Variations in shape and distribution of erythrocytes