| ORALABX | oral antibiotics |
|---|---|
| ORD | optical rotatory dispersion; oral radiation death |
| OROS | oral osmotic |
| ORT | object relations technique; operating room technician; oral rehydration therapy |
| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
| cartilage of acoustic meatus | The cartilage that forms the wall of the lateral part of the external acoustic meatus. It is incomplete above and is firmly attached to the margins of the bony part of the external meatus. Synonym: cartilago meatus acustici, meatal cartilage. (05 Mar 2000) |
|---|---|
| cartilage of auditory tube | Cartilage of auditory tube or of pharyngotympanic tube; tubal cartilage; the trough-shaped cartilage that forms the medial wall, roof, and part of the lateral wall of the auditory tube. Synonym: cartilago tubae auditivae, cartilage of pharyngotympanic tube, tubal cartilage. (05 Mar 2000) |
| cartilage of ear | The cartilage of the auricle. Synonym: cartilago auriculae, cartilage of ear, conchal cartilage. (05 Mar 2000) |
| cartilage of nasal septum | A thin cartilaginous plate located between vomer, perpendicular plate of the ethmoid, and nasal bones, and completing the nasal septum anteriorly. Synonym: cartilago septi nasi, cartilage of nasal septum, cartilaginous septum, pars cartilaginea septi nasi, quadrangular cartilage, septal cartilage. (05 Mar 2000) |
| cartilage of pharyngotympanic tube | Cartilage of auditory tube or of pharyngotympanic tube; tubal cartilage; the trough-shaped cartilage that forms the medial wall, roof, and part of the lateral wall of the auditory tube. Synonym: cartilago tubae auditivae, cartilage of pharyngotympanic tube, tubal cartilage. (05 Mar 2000) |
| cartilage space | A cavity within the matrix of cartilage, occupied by a chondrocyte. Synonym: cartilage space. (05 Mar 2000) |
| meatal cartilage | The cartilage that forms the wall of the lateral part of the external acoustic meatus. It is incomplete above and is firmly attached to the margins of the bony part of the external meatus. Synonym: cartilago meatus acustici, meatal cartilage. (05 Mar 2000) |
| Reichert's cartilage | A cartilage in the mesenchyme of the second branchial arch in the embryo, from which develop the stapes, the styloid processes, the stylohyoid ligaments, and the lesser cornua of the hyoid bone. (05 Mar 2000) |
| Meckel's cartilage | A cartilage bar in the mandibular arch that forms a temporary supporting structure in the embryonic mandible; the cartilagenous primordia of the malleus and incus develop from its proximal end, and it also gives rise to the sphenomandibular and anterior malleolar ligaments. Synonym: Meckel's cartilage. (05 Mar 2000) |
| medial crus of greater alar cartilage of nose | Portion of cartilage that forms the anterioinferior portion of the cartilaginous septum between nostrils. Synonym: crus mediale cartilaginis alaris majoris. (05 Mar 2000) |
| medial surface of arytenoid cartilage | medial surface of arytenoid cartilage |
| cellular cartilage | An embryonic or immature stage of cartilage in which it consists chiefly of cells with very little matrix. Synonym: parenchymatous cartilage. (05 Mar 2000) |
| vocal process of arytenoid cartilage | The lower end of the anterior margin of the arytenoid cartilage to which the vocal cord is attached. Synonym: processus vocalis cartilaginis arytenoidei, vocal process. (05 Mar 2000) |
| vomerine cartilage | A narrow strip of cartilage located between the lower edge of the cartilage of the nasal septum and the vomer. Synonym: Jacobson's cartilage, paraseptal cartilage, vomer cartilagineus, vomerine cartilage, vomeronasal cartilage. (05 Mar 2000) |
| reticular cartilage | <anatomy> Rarely used terms for fibrocartilage. (05 Mar 2000) |