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The middle one of the three principal basal cartilages in the fins of fishes. -- Me*sop`ter*yg"i*al, a.

The posterior of the three principal basal cartilages in the fins of fishes. -- Me*tap`ter*yg"i*al, a.

r birthday, or one's nativity. [Obs.] "Natalitial poplar." Evelyn. "Natalitious fire." W. Cartwright.

The tongue or pole of a cart or other vehicle drawn by two animals. [U.S.]

; the petty whin (Genista Anglica). -- Needle gun, a firearm loaded at the breech with a cartridge carrying its own fulminate, which is exploded by driving a slender needle, or pin, into it. -- Needle loom (Weaving), a loom in which the weft thread is carried through the shed by a long eye-pointed needle instead of b…

d to invertebrates it is usually the same as ventral. Cf. Hemal. Neural arch (Anat.), the cartilaginous or bony arch on the dorsal side of the centrum of the vertebra in a segment of the spinal skeleton, usually inclosing a segment of the spinal cord.

s "Principia," to the modern or experimental philosophy (as opposed to the theories of Descartes and others), and, most frequently, to the mathematical theory of universal gravitation. -- Newtonian telescope (Astron.), a reflecting telescope, in which rays from the large speculum are received by a plane mirror placed…

An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.

osed to subjective. In the Middle Ages, subject meant substance, and has this sense in Descartes and Spinoza: sometimes, also, in Reid. Subjective is used by William of Occam to denote that which exists independent of mind; objective, what is formed by the mind. This shows what is meant by realitas objectiva in Descart…

The system of occasional causes; -- a name given to certain theories of the Cartesian school of philosophers, as to the intervention of the First Cause, by which they account for the apparent reciprocal action of the soul and the body.

ound in the mouth of most mollusks, except bivalves. It consists of several muscles and a cartilage which supports a chitinous radula, or lingual ribbon, armed with teeth. Also applied to the radula alone. See Radula.

rojects forward from between the clavicles in many batrachians and is usually tipped with cartilage.

Anything which is in ordinary or common use. Water buckets, wagons, cart wheels, plow socks, and other ordinaries. Sir W. Scott.

Capable of producing bone; having the power to change cartilage or other tissue into bone.

the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.

The bony cranium, as distinguished from the cartilaginous cranium.

, to turn (one's self) over; to roll a stone over; to turn over the leaves; to tip over a cart.

To ride over or across; to ride upon; to trample down. The carter overridden with [i. e., by] his cart. Chaucer.

To spin out to too great length; to protract unduly. W. Cartwright.

Pertaining to the palatine and pterygoid region of the skull; as, the palatopterygoid cartilage, or rod, from which the palatine and pterygoid bones are developed.