The phrase "peripheral portion" is grammatically correct and can be used in written English.
It refers to a part of something that is on the outskirts or edges, rather than in the central or main area. Example: "The company plans to focus on expanding its business in the peripheral portions of the city, rather than in the crowded downtown area."
The peripheral portion of the drill body not cut away by the flutes is called the land, and to reduce friction and prevent the land from rubbing against the sides of the hole, most of the land is cut away, leaving a narrow ridge called the margin that follows the edge of the side of the flute that forms the cutting edge.
Growth rings are densely developed in the peripheral portion of the trunk in particular.
The preserved peripheral portion showed follicular hyperplasia with Castleman-like appearance.
(d) Axial contrast-enhanced fat-suppressed T1-weighted image shows enhancement of the solid component, more evident in the peripheral portion (white arrow).
Shading in the peripheral portion of the abscess cavity on T2-weighted images has also been reported as a common finding.
(2) The actively proliferating site of the tumor was usually at the peripheral portion, with abundant vascular element lined by plump endothelial cells.
In addition, we noted CRX expression was weak or absent in the central portion of large tumors while the peripheral portions and the associated retina demonstrated strong expression.
Stanford [14] reported that travel time, which was largely a function of axon diameter, was faster for signals coming from more peripheral portions of the retina.
The peripheral portions of lactation-responsive plaques, which morphologically resemble mammary acini, generally lacked myoepithelial differentiation.
Measurement of total collagen content in the peripheral portions of the lung was based on estimations of hydroxyproline content.
Soluble and nuclear oestrogen receptor status was determined in both the central and peripheral portions of tumour for 37 cases of adenocarcinoma of the endometrium.
