THE INFERIOR SURFACE OF THE ETHMOID BONE

(AFERT SAPPEY.) 2, the perpendicular plate, 4, the inferior turbinated Proce es: 5, 5, the middle meatus of the nose; 6, 6, the uncinate proce es. ce um stiliformem [So emmer ring]. Fr, grande pièce latérale (in fishes), seconde pièce de la corne antérieure (in lizards and mammals [Cuvier]), hypo sternal (in fishes). Ger., Zungenhorn Ka Wagner]. Syn.: cerato-hyal b. (in mammals [G. St.- filaire]. In comparative anatomy, a small b, lying between the cerato-hyal and stylo-hyal b's. (L, 14, 153, 207.) — Epiotie b. Lat., squama occipitis fetal |. Ger,, Hinterhauptschuppe [Meckel, Wagner]. Syn.: paroccipital b. [Owen], external occipital b. (in the perch and réptiles), superior occipital b. (in the cod), mastoid apophysis (in many mammals (Cuvier]), interparietal b. (in ans}, superior occipital b. (in birds [G. St.-Hilaire]), interparietal b, [Aga iz]. In human Gate an embryonic cartilage b. which corresponds to the lower part of the mastoid proce of the temporal b.; in comparative anatomy, a b. which forms the posterointernal portion of the auditory capsule. [L, 12, 14, 142, 153.]— Epipharyngeal b’s. See Superior haryngeal b's—Epipterie b. Flower’s term for a small, scale-like o ification situated between the antero-inferior angle of the parietal b, and the great wing of the sphenoid b. [L, fanjenpipterraoid b. In comparative anatomy, a small slender rod of b. tying in front and to the outer side of the anterior edge of the prootic b., with which and the pterygoid b. it articulates. [L, 200..—Epipubiec. See Marsupial b's—Episternal b. 1. G. St.-Hilaire’s term for the uro-hyal b, in fishes. [L, 14.] 2. See INTERCLAVICLE. 3. See Supra sternal b.— Epitympanic b. [Owen]. See Hyo-mandibular b.—Ethmoid b. Lat., os ethmoideum. Fr., os ethmoïde, Ger., Siebbein (Ist def.). 1. A cuboid-shaped b., containing within its interior a large number of cells, which a ists in forming the cranium, the orbits, and the nasal fo æ. It consists of a central vertical plate and of two lateral ma es (the ethmo-turbinals), which unite above to form the cribriform plate. It articulates with the vomer, frontal, sphenoid, nasal, lac al, palate, and inferior turbinated b’s and the superior maxilla. 2. Of Dugés, the sphenethmoid b. [L, 121.]—Ethmo-turbinal. [Owen]. The lateral ma es of the ethmoid b, [L, 153.]—Exercise b. An o ification sometimes found in the left arm of soidiers, and believed to be due to the constant pre ure of a musket upon the arm. [L, 299.]—Exoccipital b. Lat., arcus occipitis [Bojanus]. Ger., seitliches untere PO [Meckel, Wagner], Gelenktheil des Grundbetns [Meckel], Gelenkstiick des Hinterhauptbeins IST Seitentheil des Hinterhauptbeins Rathke]. Syn. teral occipital b, |Aga iz, Cuvier, Gervais, allman}, exoccipital b. (in fishes), lateral occipital b. (in birds G. St.-Hilaire]).. In human anatomy, a fœtal cartilage b. which forms the side of the foramen magnum and the occipital condyle of the occipital b. It unites with the other elements of the occipital b. about the sixth year, but in many of the lower vertebrates remains through life as a separate.b, [L, 12, 14, 153.)—External cuneiform b. Lat., os cunei for me extern uni. Fr, 08 cunéi- ‘or me externe. Ger., drittes Keilbein. A wedge-shaped b. of the ‘oot, articulating posteriorly with the scaphoid b., anteriorly with the second, third, and fourth metatarsal b’s, internally with the ©, no; 03, not; OS, whole; Th, thin; Th, the; U, like 00 in too; U?, blue; US, lull; U4, full; US, urn; US, like i (German). middle cuneiform b., and externally with the cuboid b. [L, 114, 153.] —External occipital b. Of Cuvier, the opisthotic b.; of Aga iz, the exoccipital b. [L, 12, 14.]—External pterygoid b. A term applied by Hallmann (in fe and Stannius to the pterygoid b. [L, 14,|—Extra scapular b. Lat., 0s extras capul are [Stannius]. See Supra scapular b.—Face b. See Malar b,—Falciform b. Lat., os falciforme. 1. A sickle-shaped sesamoid b. lying on the radial side of the manus of the mole and allied genera. ti » 153.] 2 See