Space

(spas). A name given for purposes of description to sundry enclosed or semi-enclosed places within or about the body. S., Anterior Perforated, a triangular space at the mesal side of the Sylvian fi ure. S., Arachnoid. See S., Subarachnoid, and S., Subdural. S., Axillary, the axilla. S., Bregmatic, the anterior fontanel. S., Circumlental, the interspace between the ciliary body and the equator of the lens. Ss., Cir cum vascular channels surrounding the blood-ve els and communicating with lymphatic ve els. S., Corneal, that between the corneal layers. S., Douglas's. See Douglas's Pouch. S., Epidural (of the spinal canal), a lymph-space between the spinal dura and the periosteum lining the canal. S. -feelings, Hering"s term for the perceptions or inferences of space-relations resulting from the retinal image. S. of Fontana, one of the intercommunicating cavities m the spongy ti ue occupying the angle between the cornea and the iris. S., Havers i an or Medullary, in the cancellous ti ue of bone. S. of His. See S., Cirntmvascular Ss., Intercellular, cavities formed by the splitting or separation of the walls of adjoining cells. S., Intercostal, the space between two contiguous ribs. S., Intercrural. See S., Interpeduncitlar. Ss., Interfascicular, spaces between the bundles in fibrous ti ue. S., Inter globular, an apparent, irregular space in the inter globular substance of the dentine. S., Inter mesoblastic, the cavity between the visceral and parietal laminae of the mesoblastic plates of the embryo. Ss., Inter metatarsal, spaces between the metatarsal bones. S., Intero eous, the space between two parallel bones. S., Interparietal. See S., Virchow-Robin. S., Inter peduncular, a diamond-shaped depre ion at the base of the brain, lying between the optic tracts and the crura cerebri. S., Inter tun i cal. See S., Virchmv- Robin. S., Inter vaginal (of the optic nerve). See S., Sub vaginal. S., Investing. See Lymph-sinus. S., Ischiorectal. See Ischio - rectal Po a. S., Lacunar. See Lacuna . S., a sinus or space through which pa es. S., Marrow. See Medullary Cavity. S., Mediastinal, the cavum mediastinum. S., Pelvirectal, the same as the Ischiorectal Fo a, q. v. Ss., Per i cellular, lymph-spaces in the brain. S., Per i choroidal, a lymph-space between the sclera and the choroid. S., Perigastric, the cavity surrounding the stomach and other viscera.