(v. t.) To wrap up or cover with folds; to envelop; to inwrap; to inclose; to involve.
(v. t.) To clasp with the arms; to embrace.
Example Sentences:
(1) The wall of the yolk sac thickens as a result of this infolding and the densely packed capillaries.
(2) These alterations include fenestration, widened intercellular junctions, increase in pinocytotic vesicles, and infolding of the luminal surface.
(3) Later, the astroglial processes of regenerated glia limitans showed very infolded surfaces and numerous filaments inside of them.
(4) The surface of the zona was quite irregular and contained numerous infoldings, channels and crypts.
(5) Patches of displaced basal lamina material appeared within the RPE basal infoldings.
(6) The second tumour occurred in a 36-year-old woman, followed a benign course and showed papillary infoldings lined by multilayered neoplastic cells.
(7) Marked infolding of both the granulosa and theca tissue in some follicles suggested early luteinization.
(8) In the former cells, active mitochondria were generally found near microvilli at the apical ends and in the areas of the basal infoldings whereas those in a central position were more frequently unreactive.
(9) The cell outline shows remarkable complexity by extensive infoldings and interdigitations of lateral and basal plasma membranes.
(10) Expression of L1 was restricted to neural cells until approximately postnatal day 5, when L1 started to be detectable on crypt but not on villus cells, predominantly on the basolateral membrane infoldings.
(11) The processes in both eyes of the epinephrine-treated monkeys exhibited one of two pictures: dilated stromal capillaries with numerous fenestrations; normal stroma, PE basement membrane and PE; numerous well-developed NPE basolateral infoldings and enlarged mitochondria; dilated stromal capillaries with ruptured fenestrations; ballooned protein-filled stroma; degenerated NPE.
(12) Moreover, the basement membrane of the seminiferous tubule showed wavy lamellae and infolding to the seminiferous epithelium.
(13) Secretory ameloblasts synthesize the organic matrix of enamel and secrete it at two distinct "putative secretory sites" characterized by membrane infoldings (Nanci and Warshawsky, 1984a).
(14) The distance between the apposed rectus muscles is then progressively decreased by repeated infolding of the polyamide mesh with running longitudinal sutures on the mesh itself.
(15) In the anterior and middle part, the NPE cells have only a few membrane infoldings and few mitochondria in the cytoplasm, but abundant surfaces of rough endoplasmic reticulum, numerous ribosomes and Golgi material, indicating protein synthesis.
(16) Increase of vesicles in both the endothelial cells and the basal infoldings of pigment cells were features.
(17) Cell outlines were smooth, with no basal infoldings of the plasma membrane or apical microvilli.
(18) The ultrastructure of the Sertoli cell studied in sexually active control animals during May-June and experimental animals sexually activated by light in winter, presents the commonly described ramified aspect with an infolded nucleus, well developed Golgi complexes, rough and smooth endoplasmic reticulum, numerous microfilaments, few liposomes and lysosomal formations; In the regressed testes of hibernating animals or blinded spring animals, the Sertoli cells are more round shaped with a significant increase in number and size of liposomes, lysosomes and various necrotic bodies.
(19) Electron microscopy of surviving retinal pigment epithelial (RPE) cells indicated a loss of apical microvilli and basal infoldings.
(20) The latter, like the stacked membrane infoldings of rectal papillae, exhibit intercellular columns and numerous intramembranous P face particles; these are undoubtedly involved in ion transport.
Pinfold
Definition:
(n.) A place in which stray cattle or domestic animals are confined; a pound; a penfold.