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opercula (36) 36
index medicus (18) 18
humans (15) 15
female (13) 13
male (13) 13
bithynia opercula (11) 11
ophthalmology (9) 9
clinicopathological correlation (8) 8
geosciences, multidisciplinary (8) 8
middle aged (8) 8
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analysis (7) 7
geography, physical (7) 7
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vitrectomy (6) 6
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operculum (5) 5
ultrastructural features (5) 5
abridged index medicus (4) 4
age (4) 4
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dentistry, oral surgery & medicine (4) 4
eruption (4) 4
growth (4) 4
interglacial deposits (4) 4
lesions (4) 4
pathogenesis (4) 4
prospective studies (4) 4
quaternary (4) 4
research (4) 4
retrospective studies (4) 4
shells (4) 4
visual acuity (4) 4
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amino acids (3) 3
bithynia (3) 3
dating (3) 3
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electron microscopy (3) 3
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geology (3) 3
interglacial periods (3) 3
lowland glaciation (3) 3
macular degeneration (3) 3
marine & freshwater biology (3) 3
membrane (3) 3
odontogenic tumors - pathology (3) 3
opérculo (3) 3
otoliths (3) 3
pleistocene (3) 3
retinal perforations - diagnosis (3) 3
retinal perforations - pathology (3) 3
retinal perforations - surgery (3) 3
risk factors (3) 3
southern north-sea (3) 3
surgery (3) 3
tomography (3) 3
tooth, impacted - etiology (3) 3
adolescent (2) 2
age determination (2) 2
alanine (2) 2
ameloblastoma (2) 2
amino acid geochronology (2) 2
amino-acid geochronology (2) 2
aminostratigraphy (2) 2
anatomy & morphology (2) 2
archaeology (2) 2
arecaceae (2) 2
argentine precordillera (2) 2
biology and life sciences (2) 2
britain (2) 2
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calcite crystals (2) 2
calcium carbonate (2) 2
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child, preschool (2) 2
classification (2) 2
connective tissue - pathology (2) 2
constructional morphology (2) 2
cyst (2) 2
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dental lamina (2) 2
diagnostic techniques, ophthalmological (2) 2
dormência (2) 2
early middle pleistocene (2) 2
early middle-pleistocene (2) 2
egg case (2) 2
english midlands (2) 2
epithelium - pathology (2) 2
evolution (2) 2
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1995, Canadian technical report of fisheries and aquatic sciences, Volume 2055., iv, 9
An image analysis system (IAS) was used to determine effects of within-structure variation in opercula on estimates of age and growth of walleye. Three axes on... 
Stizostedion vitreum vitreum | walleye | growth | freshwater | image analysis | opercula | age
Book
1993, Canadian manuscript report of fisheries and aquatic sciences, Volume 2183., v, 31
Ages were estimated for walleye from Dauphin and Wapun lakes, Manitoba using opercula. Back-calculated fork lengths and annual growth increments were... 
Canada | Manitoba | Dauphin L | age determination | Stizostedion vitreum | length | growth | freshwater | comparative studies | Wapun L | opercula
Book
Proceedings of the Geologists' Association, ISSN 0016-7878, 02/2015, Volume 126, Issue 1, pp. 6 - 7
Journal Article
Elements, ISSN 1811-5209, 02/2018, Volume 14, Issue 1, pp. 39 - 43
Luminescence is exhibited by many common minerals, some of which have been exploited for dating. Calcite has the potential to date events that occurred over... 
Opercula | Bithynia | Human evolution | Quaternary | Thermoluminescence | GEOCHEMISTRY & GEOPHYSICS | CALCITE SHELLS | LUMINESCENCE | human evolution | thermoluminescence | opercula | MINERALOGY | Climatic changes | Analysis
Journal Article
Journal of Micropalaeontology, ISSN 0262-821X, 01/2017, Volume 36, Issue 1, pp. 8 - 12
The original description and taxonomic attribution of Cyprideis torosa (Jones, 1850) is reviewed with reference to the type locality at Grays, Essex, SE... 
Cyprideis torosa | T. R. Jones | Ostracods | Grays | BITHYNIA OPERCULA | PALEONTOLOGY | ostracods
Journal Article
Retina (Philadelphia, Pa.), ISSN 0275-004X, 06/2019, Volume 39, Issue 6, pp. 1039 - 1046
To investigate the impact of preserving the foveal flap on surgical outcomes of full-thickness macular hole (MH) with foveal flaps. We retrospectively reviewed... 
foveal flap | VISUAL-ACUITY | MANAGEMENT | OPERCULA | optical coherence tomography | MEMBRANE | RESOLUTION | vitrectomy | operculum | VITREOUS DETACHMENT | INTERFACE | OPHTHALMOLOGY | macular hole | MICROSTRUCTURE | FELLOW EYES
Journal Article
Quaternary Science Reviews, ISSN 0277-3791, 08/2016, Volume 146, pp. 116 - 133
Tooth wear analysis techniques (mesowear and microwear) are employed to analyze dietary traits in proboscideans, perissodactyls and artiodactyls from 33... 
Proboscideans | Tooth wear | Mesowear | Ungulates | Quaternary | Microwear | BITHYNIA OPERCULA | EARLY MIDDLE-PLEISTOCENE | RANGIFER-TARANDUS | MAMMALIA | DENTAL MICROWEAR | EUROPE | GEOGRAPHY, PHYSICAL | GEOSCIENCES, MULTIDISCIPLINARY | HUMAN OCCUPATION | LATE MIOCENE | ENGLAND | NORTH-AMERICA | Niche (Ecology) | Analysis
Journal Article
QUATERNARY INTERNATIONAL, ISSN 1040-6182, 06/2018, Volume 480, pp. 118 - 131
The use of Acheulean (handaxe) typology as a cultural and temporal marker has been a topic of controversy in recent decades, with many archaeologists... 
QUATERNARY UPLIFT | PALEOLITHIC INDUSTRY | BITHYNIA OPERCULA | GEOGRAPHY, PHYSICAL | GEOSCIENCES, MULTIDISCIPLINARY | NORTH-WEST EUROPE | MAMMALIAN BIOSTRATIGRAPHY | ENVIRONMENTAL-CHANGE | EASTERN ENGLAND | SOLENT RIVER SYSTEM | INTERGLACIAL DEPOSITS | EARLY HUMAN OCCUPATION
Journal Article
Pertanika Journal of Tropical Agricultural Science, ISSN 1511-3701, 11/2012, Volume 35, Issue 4, pp. 711 - 714
Journal Article
Acta Botanica Brasilica, ISSN 0102-3306, 07/2015, Volume 29, Issue 3, pp. 425 - 432
Pollen morphology of 24 of the 33 species of three Bomarea subgenera, Baccata, Sphaerine, and Wichuraea, was examined by light microscopy (LM) and scanning... 
Infrageneric classification | Opercula-like structures | Scanning electron microscopy | Bomarea | Exine sculpture | exine sculpture | scanning electron microscopy | PHYLOGENY | opercula-like structures | infrageneric classification | PLANT SCIENCES
Journal Article
Boreas, ISSN 0300-9483, 04/2014, Volume 43, Issue 2, pp. 543 - 555
With the adoption of an ‘expanded chronology’ for the M iddle P leistocene, based on the greater number of warm and cold episodes evident in the marine oxygen... 
TERRACE DEPOSITS | BITHYNIA OPERCULA | GEOGRAPHY, PHYSICAL | GEOSCIENCES, MULTIDISCIPLINARY | MAMMALIAN BIOSTRATIGRAPHY | ENVIRONMENTAL-CHANGE | QUATERNARY SEQUENCE | WARREN HILL | SOUTHERN ENGLAND | NORTHERN EUROPE | SOLENT RIVER SYSTEM | EARLY HUMAN OCCUPATION | Interglacial periods | Chronologies | Geomorphology
Journal Article
Journal of Experimental Biology, ISSN 0022-0949, 05/2016, Volume 219, Issue 10, pp. 1535 - 1541
Many species from several different families of fishes perform mouthbrooding, where one of the sexes protects and ventilates the eggs inside the mouth cavity.... 
Biomechanics | Opercula | Churning | Jaw protrusion | Hydrodynamics | Tilapia | Ventilation | Cichlids | Head | Movement | Rheology | Behavior, Animal - physiology | Male | Microspheres | Biomechanical Phenomena | Animals | Posture - physiology | Cichlids - physiology | Ovum - physiology | X-Rays | Mouth - physiology | Video Recording | Female | Gills - physiology | Water - physiology | Genetic aspects | Research | Buccal drugs | Index Medicus
Journal Article
Journal of Quaternary Science, ISSN 0267-8179, 10/2015, Volume 30, Issue 7, pp. 593 - 609
Journal Article
Proceedings of the Geologists' Association, ISSN 0016-7878, 10/2015, Volume 126, Issue 4-5, pp. 466 - 479
An exhaustive review of geological, palaeontological and archaeological data, coupled with selected new research and dating programmes using optically... 
River Trent | Bytham River | Lake Humber | River terraces | MIS-8 glaciation | Uplift | ENGLISH MIDLANDS | BITHYNIA OPERCULA | MIDDLE PLEISTOCENE GLACIATION | SOUTHERN NORTH-SEA | LOWLAND GLACIATION | FLUVIAL DEPOSITS | PALEONTOLOGY | GEOLOGY | DRAINAGE EVOLUTION | WAVERLEY WOOD | EASTERN ENGLAND | WARWICKSHIRE
Journal Article
Journal of Neurosurgery: Pediatrics, ISSN 1933-0707, 11/2016, Volume 18, Issue 5, pp. 523 - 535
Journal Article