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r spines. Spinal accessory nerves, the eleventh pair of cranial nerves in the higher vertebrates. They originate from the spinal cord and pass forward into the skull, from which they emerge in company with the pneumogastrics. -- Spinal column, the backbone, or connected series or vertebræ which forms the axis of the v…

The inner, or visceral, one of the two lamellæ into which the vertebrate blastoderm divides on either side of the notochord, and from which the walls of the enteric canal and the umbilical vesicle are developed. See Somatopleure. -- Splanch`no*pleu"ric, a.

A peculiar glandlike but ductless organ found near the stomach or intestine of most vertebrates and connected with the vascular system; the milt. Its exact function in not known.

Illustrious; heroic; brilliant; celebrated; famous; as, a splendid victory or reputation.

in splintlike bone on the inner side of the proximal portion of the mandible of many vertebrates.

An early or simple larval stage of trematode worms and some other invertebrates, which is capable or reproducing other germs by asexual generation; a nurse; a redia.

A celebrated Latin hymn, beginning with these words, commemorating the sorrows of the mother of our Lord at the foot of the cross. It is read in the Mass of the Sorrows of the Virgin Mary, and is sung by Catholics when making "the way of the cross" (Via Crucis). See Station, 7 (c).

tage; one whose occupation is to represent characters on the stage; as, Garrick was a celebrated stageplayer.

An optical instrument used in determining the position of the planes of light-vibration in sections of crystals.

artilaginous plates or segments, in the median line of the pectoral skeleton of most vertebrates above fishes; the breastbone.

pressing them against the finger board with the finger, or by shortening in any way the vibrating part.

it is turning, to detect the undulations in the phonograph groove and convert them into vibrations which are transmitted to a system (since 1920 electronic) which converts the signal into sound; also called needle. The stylus is frequently composed of metal or diamond. 3. The needle-like device used to cut the grooves…

al ganglion situated beneath the esophagus of arthropods, annelids, and some other invertebrates.

al primary divisions of either the animal, or vegetable kingdom, as, in zoölogy, the Vertebrata, Tunicata, Mollusca, Articulata, Molluscoidea, Echinodermata, Coelentera, and the Protozoa; in botany, the Phanerogamia, and the Cryptogamia.

- Sucking stomach (Zoöl.), the muscular first stomach of certain insects and other invertebrates which suck liquid food.

some in dyeing, and some in medicine. One, the Japanese Rhus vernicifera, yields the celebrated Japan varnish, or lacquer.

at.), two small bodies of unknown function in front of, or near, the kidneys in most vertebrates. Also called renal capsules, and suprarenal bodies.

s representing them) which connects the base of the lower jaw with the skull in most vertebrates below mammals.

To move to and fro, as a body suspended in the air; to wave; to vibrate; to oscillate. I tried if a pendulum would swing faster, or continue swinging longer, in case of exsuction of the air. Boyle.

glison. -- Sympathetic sounds (Physics), sounds produced from solid bodies by means of vibrations which have been communicated to them from some other sounding body, by means of the air or an intervening solid. -- Sympathetic system (Anat.), a system of nerves and nerve ganglions connected with the alimentary canal,…