| DL | danger list; De Lee [catheter]; deep lobe; developmental level; difference limen; diffusion lung [ca... |
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| DL | diffusing capacity of the lungs |
| DLCO | carbon monoxide diffusion in the lung; single-breath diffusing capacity |
| DLCOSB | single-breath carbon monoxide diffusing capacity of the lungs |
| DLCOSS | steady-state carbon monoxide diffusing capacity of the lungs |
| Lyt antigen | A set of plasmalemmal surface glycoproteins on mouse T lymphocytes. Possession of Lyt 1 partly defines a T helper cell and of Lyt 2, 3 suppressor and cytotoxic cells. Formerly known as Ly antigens. See: Lyb antigen. (18 Nov 1997) |
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