New petrified calamitaleans from the Permian of the Parnaíba Basin, central-north Brazil, part III, with some concerns regarding anatomical features of Paleozoic petrified sphenophytes

Within the past decade it has become apparent that HVEM offers the biologist a means to explore the three-dimensional structure of cells and/or organelles. Stereo-imaging of thick sections (e.g. 0.25-10 μm) not only reveals anatomical features of cellular components, but also reduces errors of interpretation associated with overlap of structures seen in thick sections. Concomitant with stereo-imaging techniques conventional serial Sectioning methods developed with thin sections have been adopted to serial thick sections (≥ 0.25 μm). Three-dimensional reconstructions of the chondriome of several species of trypanosomatid flagellates have been made from tracings of mitochondrial profiles on cellulose acetate sheets. The sheets are flooded with acetone, gluing them together, and the model sawed from the composite and redrawn.The extensive mitochondrial reticulum can be seen in consecutive thick sections of (0.25 μm thick) Crithidia fasciculata (Figs. 1-2). Profiles of the mitochondrion are distinguishable from the anterior apex of the cell (small arrow, Fig. 1) to the posterior pole (small arrow, Fig. 2).

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Sociomotor actions: Anticipated partner responses are primarily represented in terms of spatial, not anatomical features.

Journal of Experimental Psychology Human Perception & Performance ◽

10.1037/xhp0000658 ◽

2019 ◽

Vol 45 (8) ◽

pp. 1104-1118

Author(s):

Lisa Weller ◽

Roland Pfister ◽

Wilfried Kunde

Keyword(s):

Anatomical Features

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COMPARATIVE ANALYSIS OF MORPHOLOGICAL-ANATOMICAL FEATURES OF THE LEAVES STRUCTURE OF REPRESENTATIVES OF THE FAMILY LAURACEAE

Fitoterapia ◽

10.33617/2522-9680-2019-4-46 ◽

2019 ◽

Vol 4 (4) ◽

pp. 46-50

Author(s):

I. Yu. Posochova ◽

◽

O. P. Khvorost ◽

Yu. A. Fedchenkova ◽

◽

...

Keyword(s):

Comparative Analysis ◽

Anatomical Features ◽

The Family

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Variability of Anatomical Features of Leaf Blade in Species of Genus Magnolia L. on the First Ontomorphogenesis Stages

Journal of Automation and Information Sciences ◽

10.1615/jautomatinfscien.v52.i4.30 ◽

2020 ◽

Vol 52 (4) ◽

pp. 26-37

Author(s):

Oxana A. Futornа ◽

Vladislava A. Badanina ◽

Marina N. Gaidarzhy ◽

Anastasiya V. Golubenko ◽

Nataliya Yu. Taran

Keyword(s):

Leaf Blade ◽

Anatomical Features

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THE STUDY OF MORPHOLOGICAL AND ANATOMICAL FEATURES OF THE HERB ASTRAGALUS ONOBRYCHIS

"Medical & pharmaceutical journal "Pulse" ◽

10.26787/nydha-2686-6838-2020-22-3-59-66 ◽

2020 ◽

Vol 22 (3) ◽

pp. 59-66

Author(s):

Pozdnyakovа Т.А. ◽

◽

Kuleshovа Е.S. ◽

Bubenchikov R.A. ◽

◽

...

Keyword(s):

Anatomical Features

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RAPID PALATAL EXPANSION AND ITS FEATURES

ASJ. ◽

10.31618/asj.2707-9864.2020.2.40.23 ◽

2020 ◽

Vol 2 (40) ◽

pp. 20-22

Author(s):

A.K. Al Dzhafari ◽

S.A. Ulyanovskaya

Keyword(s):

Rapid Maxillary Expansion ◽

Maxillary Expansion ◽

Maxillofacial Region ◽

Posterior Teeth ◽

Anatomical Features ◽

Palatal Expansion ◽

Rapid Palatal Expansion ◽

Congenital Deformities ◽

Upper Jaw ◽

Mid Palatal Suture

Rapid Maxillary expansion or palatal expansion as it is sometimes called, occupies unique niche in dentofacial therapy. Rapid Maxillary expansion (RME) is a skeletal type of expansion that involves the separation of the mid-palatal suture and movement of the maxillary shelves away from each other. RME effects the maxillary complex, palatal vaults, maxillary anterior and posterior teeth, adjacent periodontal structures to bring about an expansion in the maxillary arch. Morphogenesis and anatomical features of the upper jaw determine the choice of the method of rapid palatal expansion with narrowing of the upper dentition, as an effective method for eliminating congenital deformities of the maxillofacial region. The majority of dental transverse measurements changed significantly as a result of RME. The maturity of the maxillofacial structures determines the timing and degree of success of rapid palatal dilatation treatment.

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