Results 31 to 40 of about 7,669 (292)

New double indentation technique for measurement of the elasticity modulus of thin objects [PDF]

open access: yes, 2011
In this paper we introduce a new method to determine the Young's modulus of thin (biological) samples. The method is especially suitable for small objects with a thickness of a few hundred micrometers.
De Baere, Ives   +2 more
core   +2 more sources

Anatomy of the Nasal and Auditory Regions of the Fossil Lagomorph Palaeolagus haydeni: Systematic and Evolutionary Implications

open access: yesFrontiers in Ecology and Evolution, 2021
Palaeolagus, a late Eocene to early Miocene North American lagomorph genus, represented by numerous and well-preserved specimens, has been long considered a basal leporid, although it is currently understood as a stem lagomorph.
Irina Ruf   +4 more
doaj   +1 more source

Ontogenetic development of weberian ossicles and hearing abilities in the African bullhead catfish.

open access: yesPLoS ONE, 2011
BackgroundThe weberian apparatus of otophysine fishes facilitates sound transmission from the swimbladder to the inner ear to increase hearing sensitivity. It has been of great interest to biologists since the 19(th) century.
Walter Lechner   +4 more
doaj   +1 more source

Structure and function of the mammalian middle ear. II: Inferring function from structure. [PDF]

open access: yes, 2015
Anatomists and zoologists who study middle ear morphology are often interested to know what the structure of an ear can reveal about the auditory acuity and hearing range of the animal in question.
Mason, Matthew J
core   +1 more source

IgG4 Related Sclerosing Inflammatory Pseudotumor Simulating Cholesteatoma Of The Temporal Bone

open access: yesBengal Journal of Otolaryngology and Head Neck Surgery, 2023
Introduction Sclerosing inflammatory pseudotumor of the temporal bone is a rare fibro-inflammatory, benign albeit locally aggressive pathological entity.
Mrinmayi Dahanukar   +2 more
doaj   +3 more sources

Flexibility within the middle ears of vertebrates [PDF]

open access: yes, 2012
Introduction and aims: Tympanic middle ears have evolved multiple times independently among vertebrates, and share common features. We review flexibility within tympanic middle ears and consider its physiological and clinical implications.
Baird   +36 more
core   +1 more source

Csf1 Signaling Regulates Maintenance of Resident Macrophages and Bone Formation in the Mouse Cochlea

open access: yesFrontiers in Neurology, 2019
In the mammalian cochlea, resident macrophages settle in the spiral ligament, spiral ganglion, and stria vascularis, even at the steady state. Resident macrophages in the cochlea are believed to maintain homeostasis in the inner ear and become active, as
Takayuki Okano, Ippei Kishimoto
doaj   +1 more source

Inner ear ossification and mineralization kinetics in human embryonic development - microtomographic and histomorphological study. [PDF]

open access: yes, 2017
Little is known about middle and inner ear development during the second and third parts of human fetal life. Using ultra-high resolution Microcomputed Tomography coupled with bone histology, we performed the first quantitative middle and inner ear ...
Courbon, G.   +5 more
core   +1 more source

Tuberculous otitis media masquerading as malignancy: a diagnostic challenge

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine, 2022
Background Primary tuberculous otitis media is rare in the paediatric age group, and its neuro-otogenic complication of involvement of cerebellopontine angle in a child is very unusual.
Roshan Philip Thomas   +5 more
doaj   +1 more source

Facial nerve schwannoma: Case report and brief review of the literature

open access: yesRadiology Case Reports, 2023
Schwannomas are rare nerve sheath tumors that can occur throughout the body, and are symptomatic based on location, size, and impingement on adjacent structures. These tumors are often benign lesions and occur sporadically or from genetic conditions such
Joshua L. Libell, BS   +6 more
doaj   +1 more source

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