Defn: A continuation of the petiole, extending from the base to the apex of the lamina of a leaf.
Its use is probably to facilitate the shedding of water which has run down the leaf; and so lessen the danger of rotting between the sheath and stem: possibly the shelves and ears commonly met with at the base of the lamina (Fig.
In the following native grasses the form of the lamina affords a useful character.
The half lamina has six smaller vascular bundles, only the stronger one girdered.
Motor-cells in each groove cause the inrolling of the lamina by their contraction.
Lamina long, rough, acute, with white lines if held up, and serrulate edges.
Into this vessel a solution of acetate of lead is poured so as to cover not only the lamina of platinum, but two or three lines of the point as well.
Lastly, the point is put in communication with the negative pole of a battery, and the lamina with the positive pole.
At the moment in which the circuit is completed a series of coloured rings is produced on the lamina under the point similar to those observed by Newton in lenses pressed together.
The inferior surface, slightly depressed, ends behind in a swelling produced by the plantar cushion, which covers a thin lamina of horn.
Horny lamina of the claw; 2, plantar nail; 3, tubercle of the corresponding digit.
Is not the lamina of the claw comparable to the wall of the hoof?
In the preceding hypothesis, all the particles in each lamina have the same velocity at any given cross section of the stream.
Consider a lamina of the jet between the depths h and h + dh.
Consider a laminaissuing between the depths h and h + dh.
Hence the discharge for this lamina is b[root](2gh) dh.
Portion of a thin Transverse Slice of a Lamina of Eozoon, magnified, showing its structure, as traced with the camera.
Leaf of Orange (Citrus Aurantium), showing a winged leafy petiole p, which is articulated to the lamina l.
The arrangement of the fibro-vascular system in the lamina constitutes the venation or nervation.
If the divisions extend more deeply into the lamina than the margin, the leaf receives different names according to the nature of the segments; thus, when the divisions extend about half-way down (fig.
When the vascular bundles reach the base of the lamina they separate and spread out in various ways, as already described under venation.
A continuation of the petiole, extending from the base to the apex of the lamina of a leaf.
Widening into a lamina or into lateral winglike appendages.
Each lamina again carries ridges (laminellæ) on its lateral aspects, giving a section of a lamina the appearance of being studded with papillæ.
A corneous scale or lamina that covers the pneumatic organs in the Metathorax, situated sometimes in the Pleurae, as in the Coleoptera; at others in the Postfraenum, as in Tenthredo L.
In some the horn is at first a broad laminaor ridge, which terminates in two branches, as in Onthophagus Vacca.
As the cavum medium increases in width in posterior sections, the lamina superior and lamina inferior lose their lateral connection.
The lateral remnant of the lamina superior and transition zone between the lamina superior and lamina inferior is short and is quickly replaced by connective tissue.
Slightly posterior to the divergence of the crista intermedia from the septum nasi, the crista terminates, thereby separating the lamina superior and the lamina inferior from one another (Figs.
The small medial ramus is associated with the distal end of the lamina superior whereas the lateral ramus lies dorsal to the lateral margin of the cavum medium.
The fusion of the two recesses of the cavum inferior completely separates the lamina inferior from the solum nasi (Fig.
Perichondral and endochondral ossification occurs in the sides of the neurocranium ventral to the lamina perpendicularis.
This part of the lamina inferior terminates posteriorly at the level of confluence between the cavum principale and lateral recess of the cavum inferior.
The bony support of the latter area is furnished by the lamina perpendicularis (lam.
The lamina superior terminates at the level of the infundibulum (inf.
The appearance of the cavum medium within the ventrolateral extension of the septum nasi divides the latter into an upper component, the lamina superior (l.
Slightly posterior, the distal edge of the lamina inferior diverges laterally as a small process, which lies dorsal to the pars facialis (p.
For example, the cartilaginous plate separating the cavum principale from the cavum medium is termed the lamina superior.
Posterior to the infundibulum the lamina inferior and oblique cartilage join to form the planum terminale (pla.
With leaves in the weak solutions, the blade or lamina often becomes inflected; and this is so rare a circumstance with leaves in water that I have seen only two instances; and in both of these the inflection was very feeble.
The lamina of which the tube is formed seems to be a lateral prolongation of the lip of the orifice; and the spiral line between the two projecting edges is continuous with the corner of the orifice.
In caterpillars and other larvae, in which state the action of the mandibles is most in requisition, the muscles are what Cuvier calls penniform[846], and are attached on each side to a tendinous lamina or cartilage.
This naturally is simply the commissure between the two supra-oesophageal ganglia; anterior to it, in the middle line, equally naturally, the anterior end of the old stomach wall still exists as the lamina terminalis.
The internal elastic lamina as such disappeared and the inner layer of the aorta fused with the middle coat.
The lamina of such fur seem to rise and erect themselves upon the stem of the hair by being kept, which may account for its better felting quality.
The task of counting the number of these lamina that clothe the body of these hairs, must have been both tedious and difficult, from their very minuteness and profusion.
Moreover, the green edging of the tendrils of young plants sometimes expands into a narrowlamina or blade.
Every gradation could be traced, until we come to branchlets (as a and d in the figure) which show no vestige of a lamina or blade.
The lamina are divided with a saw through the articulate process (a double-bladed saw specially adapted for this work can be obtained).
After thelamina have been completely severed, these together with the spinous process can now be readily torn away with a stout hook and the cord exposed.
The very nature of the structure of the foot together with the function of the sensitive lamina is sufficient cause for an affection unlike that seen involving other tissues--laminitis.
In this way deep cuts may divide the coronary band and inflict extensive injury to the sensitive lamina as well.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "lamina" in a variety of sentences. We hope that you will now be able to make sentences using this word.
