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Noun 1. Plural form of Latin os, the mouth or openings, especially of the cervix. ( 2. An edge or margin. (

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Ora serrata

Noun, pl. orae serratae 1. The serrated junction between the retina and the ciliary body. This junction marks the transition from the simple non-photosensitive area of the retina to the complex, multi-layered photosensitive region. In animals in which the region does not have a serrated appearance, it is called the ora ciliaris retinae. ( 2. The serrated extremity of the optic part of the retina, located a little behind the ciliary body and marking the limits of the percipient portion of the membrane. ( 3. The dentate border of the retina. ( Word origin: From Latin words ora, “margin,” and serra,...

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/ˈôrəl/ Adjective 1. Relating to the mouth; mouthly. ( 2. Pertaining to the mouth, taken through or applied in the mouth, as an oral medication or an oral thermometer. ( 3. Spoken rather than written. ( 4. a. Of, relating to, or characterized by the first stage of psychosexual development in psychoanalytic theory during which libidinal gratification is derived from intake (as of food), by sucking, and later by biting. ( b. A stage in psychosexual development when the child’s interest is concentrated in the mouth; fixation at this stage is said to result in dependence, selfishness, and aggression. ( 5. Of, relating to, or characterized by personality traits of passive dependence and aggressiveness. ( Word origin: From Late Latin oralis, from Latin os (genitive oris) “mouth, opening, face,...

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