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Adjective 1. Resembling a sieve. ( 2. Relating to, or in the region of, the ethmoid bone. (   Noun, pl. ethmoids 1. A square bone at the root of the nose, forming part of the cranium, and having many perforations through which the olfactory nerves pass to the nose. (Google Dictionary) 2. Ethmoid bone. a. One of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity. ( b. A bone in the skull that separates the nasal cavity from the brain. It is located at the roof of the nose, between the two orbits. The cubical bone is lightweight due to a spongy construction. The ethmoid bone is one of the bones that makes up the orbit of the eye. ( Word origin: From Ancient Greek ἠθμοειδής (ēthmoeidēs, “like a strainer or sieve”), from ἠθμός (ēthmos, “a strainer, colander, sieve”), from ἤθειν (ēthein, “to sift,...

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ē-ˈthä-lə-jē Noun 1. Branch of biology that deals with the study of animal behavior ( 2. The scientific study of human and animal behaviour. ( 3. The scientific and objective study of animal behavior, and is a sub-topic of zoology. The focus of ethology is on animal behavior under natural conditions, as opposed to behaviorism, which focuses on behavioral response studies in a laboratory setting. ( Word origin: From Greek: ἦθος, ethos, character + -λογία, -logia, the study...

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