Sentence examples for by two cell layers from inspiring English sources

The coral animal is comprised of anemone-like polyps with a gastro-vascular cavity formed by two cell layers (ectoderm and endoderm) separated by a layer of mesogloea.

At the archesporium stage the exothecium of the anthers was constituted by cells with heavy tannin deposition, the endothecium by expanded cells with no cell wall lignification, the middle layer by two cell layers and the tapetum by a single layer with uninucleate and multi-nucleolate cells, in both 'Hayward' (Fig.  1A) and 'Tomuri' (Fig.  1B).

Fifty per cent of the hydraulic resistance of the GFB is afforded by the two cell layers (endothelium and podocyte foot processes), and 50% by the GBM [ 46].

The intima lining layer of I synovial biopsies was hyperplasic with multiple layers of cells while N/R synovial lining was formed by one or two cell layers.

It in turn is bounded by a pericycle of one or two cell layers and a single cell layer of endodermis.

The numerous ovules are small (190 by 120 μm), anatropous, unitegmic (but with two cell layers), and tenuinucellar.

These outgrowths were composed of two cell layers, consisting of CK18+ luminal cells surrounded by a layer of SMA+ myoepithelial cells, indicating that the differentiation potential of the cells was not altered by experimental manipulations.

Cnidarians are essentially bags made of two cell layers.

Degradation of tapetal cell layers followed by degradation of meiocytes and vice-versa suggests that there is close coordination between these two cell layers or that loss of integrity in one layer triggers general processes that result in anther abortion.

By 24 hours post-fertilization (hpf), the epidermis (approximately 4 µm thick) is organized into two cell layers: an external enveloping layer and a basal layer (Le Guellec et al., 2004).

In another example, the conditional null mutation of Krüppel-like transcription factor-4 (KLF4) reduces the corneal epithelium to only three to four cell layers by causing excessive sloughing [45].