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inal cord are developed. -- Medullary rays (Bot.), the rays of cellular tissue seen in a transverse section of exogenous wood, which pass from the pith to the bark. -- Medullary sheath (Anat.), the layer of white semifluid substance (myelin), between the primitive sheath and axis cylinder of a medullated nerve fiber.…

Having the orbital index relatively large; having the orbits narrow transversely; -- opposed to microseme.

Transverse; as, the metaleptic motion of a muscle.

A genus of Spherobacteria, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus), all without the power of motion. See Illust. of Ascoccus.

Having the orbital index relatively small; having the orbits broad transversely; -- opposed to Ant: megaseme.

An excavation in rock, transverse to the workings, from which material for filling is obtained.

of a column of the same body) which would be necessary to elongate a prismatic body of a transverse section equal to a given unit, as a square inch or foot, to double, or to compress it to half, its original length, were that degree of elongation or compression possible, or within the limits of elasticity; -- called a…

lumelike feathers on the head. The throat and sides are chestnut; the belly is brown with transverse bars of black and white; the neck and breast are dark gray. -- Mountain range, a series of mountains closely related in position and direction. -- Mountain rice. (Bot.) (a) An upland variety of rice, grown without irr…

skull, in front of the frontals. -- Nasal index (Anat.), in the skull, the ratio of the transverse the base of the aperture to the nasion, which latter distance is taken as the standard, equal to 100.

Ant: alkaline. Neutral axis, Neutral surface (Mech.), that line or plane, in a beam under transverse pressure, at which the fibers are neither stretched nor compressed, or where the longitudinal stress is zero. See Axis. -- Neutral equilibrium (Mech.), the kind of equilibrium of a body so placed that when moved slight…

. D. Forbes. Orbital index (Anat.), in the skull, the ratio of the vertical height to the transverse width of the orbit, which is taken as the standard, equal to 100.

having a long, straight, conical shell. The interior is divided into numerous chambers by transverse septa.

Having a transverse position; placed or situated across; hence, opposite. "Our overthwart neighbors." Dryden.

Patagonia. Pampas cat (Zoöl.), a South American wild cat (Felis pajeros). It has oblique transverse bands of yellow or brown. It is about three and a half feet long. Called also straw cat. -- Pampas deer (Zoöl.), a small, reddish-brown, South American deer (Cervus, or Blastocerus, campestris). -- Pampas grass (Bot.)…

A roofing tile, of peculiar form, having a transverse section resembling an elongated S laid on its side (

The ventral transverse, or capitular, process of a vertebra. See Vertebra. -- Par*ap`o*phys"ic*al, a.

A young salmon in the stage when it has dark transverse bands; -- called also samlet, skegger, and fingerling.

generations. Patriarchal cross (Her.), a cross, the shaft of which is intersected by two transverse beams, the upper one being the smaller. See Illust.

A pick with a point at one end, a transverse edge or blade at the other, and a handle inserted at the middle; a hammer with a flattened end for driving wedges and a pointed end for piercing as it strikes. Shak.

A form of dentine which shows sinuous lines of structure in a transverse section of the tooth.