. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 173 ANATOMICAL TBCHNOLOOY. of the diapophyses of all but the last (rarely of the last) cervical vertebrae. Through it pass the verte- bral artery and vein. § 474. Foramen atlantale—AtlaDtal foramen.— This is a passage through the cephalic edge of the atlas just dorsad of the occipito-atlantal arthron. It transmits the first or suboccipital nerve and the vertebral artery; Straus-Durckheim, A, I, 470. It is present in man only as an exception; Quain, A
. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 173 ANATOMICAL TBCHNOLOOY. of the diapophyses of all but the last (rarely of the last) cervical vertebrae. Through it pass the verte- bral artery and vein. § 474. Foramen atlantale—AtlaDtal foramen.— This is a passage through the cephalic edge of the atlas just dorsad of the occipito-atlantal arthron. It transmits the first or suboccipital nerve and the vertebral artery; Straus-Durckheim, A, I, 470. It is present in man only as an exception; Quain, A, 1,12. § 475. Lamella ventralis—Ventral or inferior lamella.—This is the thin plate-like projection ex- tending ventrad from the diapophyses of some of the cervical vertebrae. It is most marked in the 6th. Flower, A, 22, 23. § 476. Pre. (Processus) odontoideus, az.—Odon- toid process.—This is a tooth-like projection from the cephalic part of the centrum of the axis. It articu- lates diarthrodially with the atlas, and serves as a pivot on which the atlas and head rotate. It is kept from encroaching upon the neural canal by a strong hgament. § 477. Explanation of Fig. 53-55.—Anapophy- sis—Accessory tubercle.—This is a slender process extending laterad from the caudal part of the neural arch. It is ventrad of the postzygapophysis, and with it clasps the prsezygapophysis of the following verte- bra. It is present in the first six lumbar vertebras, and markedly in the 9th to the IStli thoracics, where, in man, it is called the inferior tubercle; Quain, A, § 478. Arcus neuralis, az.—Neural arch.—This is a bony arch projecting from the dorsal aspect of the centrum. It is called neural arch because it over- arches and encloses the myelon or neural axis. § 479. Canalis neuralis, az.—Neural canal.—The neural canal is formed by the neural foramina, each foramen being a short segment of the canal. It is enclosed by the neural arches and by ligaments,
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