Eosinophils Flashcards
First maturation phase that can be identified is myelocyte stage (reddish-orange 2° granules)
EOSINOPHILS
T or F
Last maturation phase that can be identified is myelocyte stage (reddish-orange 2° granules)
F
First
first recognizable stage of eosinophil maturation
Myelocyte (Stage 3)
Mature eosinophils have _____ nucleus
bi-lobed
Half-life in the blood:
18 HOURS
Lifespan:
2-5 DAYS
Functions:
- Counteracts the factors released by ______
- Eosinophilia is associated with ______ and ______
mast cells
helminthic infections
allergic reactions
Specific Granules contain:
MAJOR BASIC PROTEIN
EOSINOPHIL
CATIONIC PROTEIN (Anti-helminthic properties)
Hexagonal bipyramidal crystals composed of Lysophospholipase
Charcot-Leyden Crystals
Present in the cytoplasm of eosinophils in prolonged eosinophilic inflammation
Charcot-Leyden Crystals
Charcot-Leyden Crystals:
Hexagonal bipyramidal crystals composed of _________
Lysophospholipase