anterior ethmoidal cells

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anterior ethmoidal cells

[TA]
the anterior group of air cells of the ethmoidal sinuses; each sinus communicates with the middle meatus of the nasal cavity.

an·te·ri·or eth·moid·al cells

(an-tērē-ŏr eth-moydăl selz) [TA]
Group of air cells of the ethmoidal sinuses; each communicates with the middle meatus of the nasal cavity.
References in periodicals archive ?
INTRODUCTION: DISCUSSION: Spinal muscular atrophy is characterized by degeneration of motor neuron in anterior cells and motor nuclei in brainstem.
The relatively short denticles on the more basally located cells were not organized into any apparent pattern with the denticles from either adjacent posterior or adjacent anterior cells (Figs.
In contrast to more anterior cells with relatively short denticles, cells in the middle of a scale had relatively long denticles that were organized with denticles from adjacent posterior and anterior cells into distinct patterns.
At the 16-cell stage, each of the two pairs of the vegetal anterior cells has endodermal, mesodermal and nerve-cord fates.
The anterior cells, which are located anterior to the basal lamella, vary in number and size.
The anterior cells are the first to so form as evaginations in the lateral nasal wall in the region of the middle meatus.

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