The muscularis propria is often visualised as two distinct layers: the inner circular layer and the outer longitudinal layer.
The gastrula is the stage of embryonic development at which the embryo appears as three distinct layers of cells (the germ layers): the exterior ectoderm, the middle mesoderm, and the interior endoderm.
At 90 °C, the phosphate consisted of two distinct layers, with a Fe-rich inner layer and a Mn-rich outer layer.
At early reaction times, the solid cake consists of two distinct layers in which the top layer is tobermorite (green) and the bottom is unreacted Al-CSH gel (orange).
They frequently consist of two distinct layers.
The fluidic multiplexers are molded out of plastic with two distinct layers.
The smooth muscles of the esophagus are organized into two distinct layers, the circular and the longitudinal, and these layers continue into the LES.
Upon the settling of the isooctane-copper pyridine mixture into two distinct layers, 2 mL of the upper layer were subjected to absorbance measurement at 715 nm by using isooctane as blank.
The peridium of the "egg" is divided into two distinct layers of tissue.
Each ovule is surrounded by two distinct layers, which represent one or two seed envelopes.
The muscle fibers were arranged in two distinct layers in both species.
