ectethmoid


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eth·moi·dal lab·y·rinth

[TA]
a mass of air cells with thin bony walls forming part of the lateral wall of the nasal cavity; the cells are arranged in three groups, anterior, middle, and posterior, and are closed laterally by the orbital plate which forms part of the wall of the orbit.

ectethmoid

/ec·teth·moid/ (ek-teth´moid) ethmoidal labyrinth.

ectethmoid

(ĕk-tĕth′moyd) [″ + ethmos, sieve, + eidos, form, shape]
The lateral mass of the ethmoid bone.
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References in periodicals archive ?
After the comparison with other subfamilies of cuckoos, we noticed that the Neomorphinae species are characterized as having several shared similarities, mainly in the form and size of the lacrimal and ectethmoid bones.
Of these, nine were too inconsistent within species to be useful: Shape of the lateral margin of the ectethmoid plate, size of the supraotic fenestra, relative lengths of the metatarsal trochleae, shape of the maxillopalatine bones, shape of the internal (= medial) process of the mandible, presence and nature of the Pocock foramina (Pocock 1966), the degree of the distal bend of the tarsometatarsus, degree of the medial curve of the rostral palatine, and presence and shape of a manubrium-sternum bridge.
3 C&L Ectethmoid foraminoa: D = double, P = pinched, S = Interpalatine single, T = process: O = Tarsometatarsus triple.