longitudinal section


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Related to longitudinal section: oblique section

longitudinal section

[‚län·jə′tüd·ən·əl ′sek·shən]
(science and technology)
A section taken through the lengthwise dimension of a structure, organism, or other object.

longitudinal section

An orthographic projection of a section made by cutting through the longest axis of an object.
See also: Projection drawing

longitudinal section

In graphic representation, a section, 1 taken along the longest axis.
References in periodicals archive ?
While counting the cementum layers we have only counted the major annual component, which is the darkly stained layer and remain prominent throughout the longitudinal section of tooth, in contrast to the minor component or false layers which remain weekly stained.
It was discovered that the patient had a relatively narrow acoustic window in the antral longitudinal section, which made it difficult for an accurate assessment if the tube was returned to be made.
(a) A 25 MHz UBM axial section image shows that the anterior chamber geometry is distorted, the distance between the ciliary process and lens equator is increased on the subluxated side, and the side of the lens equator with increased distance is more curved than the other side; the opacity of the lens, ciliary process, lens zonule, and lens equator are shown clearly (arrows); (b) a 50 MHz UBM axial section image shows only that the anterior chamber geometry is distorted; the distance of the subluxated side and other lesion features of the lens are not shown clearly; (c, d) the 50 MHz UBM longitudinal section images show the difference in the distance between the ciliary process and lens equator.
The inlet boundary condition was set a constant pressure, and velocity field of the longitudinal sections in the three conditions are shown in Fig.
Caption: Figure 4: Solidification simulation of the cross section and lengthwise section of twin-roll cast Al-10Mg alloy wedge-shaped plate: (a) rolled plane; (b) longitudinal section.
Moreover, the temperature levels in the <<hot>> and <<cold>> longitudinal sections conductor at the manifestation of it EWP may vary up to 3.5 times [4, 7].
Caption: FIGURE 1B: LONGITUDINAL SECTION OF ANTENNAL GLAND TUBULES, SHOWING ATROPHY OF ANTENNAL GLAND TUBULE (BLACK ARROW), PYKNOTIC NUCLEI, AND SEVERE HAEMOLYMPH INFILTRATION (RED ARROW).
In this case, neurofibromas of the uterus determined a delay in the delivery of the baby and necessitated a second longitudinal section of the uterus.
Longitudinal section of a sperm head showing the perforatorium (p), acrosomal vesicle (a), and extra-acrosomal tissue (e).
The tooth, a longitudinal section of which is shown in Figure 2, is a second premolar of a 33-years-old male.
The results also indicate that the mineralization could dip -65A north, which would explain why holes M-12-51, M-13-96, M-13-97 and M-13-104 returned low grades and/or small thicknesses, being located outside the 325 zone (see longitudinal section, below).

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