Hueso etmoides
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Hueso Etmoides
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Hueso
Etmoides
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Hueso etmoides
características
-Hueso simétrico
-Mediano
-único
localización
-Delante del esfenoides
-Detrás de escotadura del
hueso frontal
Estructura
-Lámina perpendicular
-Lámina cribosa
-Laberintos etmoidales
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Lámina perpendicular Lamina cribosa
permite distinguir apófisis crista galli y lamina perpendicular
Apófisis crista galli Característica
Formación
Escotadura media + frontal = foramen ciego
Lamina perpendicular Característica
4 Bordes
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Lámina Cribosa
Características
Porciones anteroposteriores (surcos
olfatorios)
Sobre la lamina cribosa yacen
circunvoluciones rectas y bulbos
olfatorios
Cara inferior
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