target cell
[ˈtɑːrɡɪt sɛl]
nounpl: target cells
célula-alvo
1. A cell that is affected by or responds to a specific hormone, neurotransmitter, or other signaling molecule
Insulin binds to receptors on target cells throughout the body to regulate glucose metabolism.
A insulina se liga aos receptores nas células-alvo em todo o corpo para regular o metabolismo da glicose.
2. In immunology, a cell that is recognized and destroyed by cytotoxic T lymphocytes or natural killer cells
Cancer cells are often target cells for the immune system's attack.
As células cancerosas são frequentemente células-alvo para o ataque do sistema imunológico.
3. In hematology, a red blood cell with a distinctive appearance resembling a target or bullseye
Target cells may be observed in patients with liver disease or hemoglobin abnormalities.
Células-alvo podem ser observadas em pacientes com doença hepática ou anomalias de hemoglobina.
This is a scientific and medical term used universally in both American and Brazilian academic and healthcare settings. There are no colloquial variations or cultural differences in usage. The term is technical and standardized across English and Portuguese-speaking medical communities.
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