Results 101 to 110 of about 178,538 (249)

New ophthalmosaurid ichthyosaurs from the European lower cretaceous demonstrate extensive ichthyosaur survival across the Jurassic–Cretaceous boundary [PDF]

open access: yes, 2012
Background Ichthyosauria is a diverse clade of marine amniotes that spanned most of the Mesozoic. Until recently, most authors interpreted the fossil record as showing that three major extinction events affected this group during its history: one ...
A Sirotti   +91 more
core   +6 more sources

Synapsids and sensitivity: Broad survey of tetrapod trigeminal canal morphology supports an evolutionary trend of increasing facial tactile specialization in the mammal lineage

open access: yesThe Anatomical Record, Volume 309, Issue 4, Page 864-911, April 2026.
Abstract The trigeminus nerve (cranial nerve V) is a large and significant conduit of sensory information from the face to the brain, with its three branches extending over the head to innervate a wide variety of integumentary sensory receptors, primarily tactile.
Juri A. Miyamae   +4 more
wiley   +1 more source

Benign mixed tumor of the lacrimal sac

open access: yesIndian Journal of Ophthalmology, 2015
Neoplasms of the lacrimal drainage system are uncommon, but potentially life-threatening and are often difficult to diagnose. Among primary lacrimal sac tumors, benign mixed tumors are extremely rare.
Jong-Suk Lee   +4 more
doaj   +1 more source

Little Known Facts, Controversies and Misconceptions About Cranial Motor Nuclei (and a New Classification for All Motoneurons, Cranial, and Spinal)

open access: yesJournal of Comparative Neurology, Volume 534, Issue 4, April 2026.
ABSTRACT Cranial nerves represent a notoriously complex province of the neuroanatomical landscape of the vertebrates. Here, we offer a selection of the anatomic, genetic, and developmental features of their efferent component that are often misrepresented, ignored or controversial, as a complement to more exhaustive treatments of the subject.
Margaux Sivori   +2 more
wiley   +1 more source

Prevalence, Etiology, and Antifungal Resistance Profiles of Ocular Fungal Infections in Ghanaian Ophthalmic Patients: A Multicenter Cross‐Sectional Study

open access: yesHealth Science Reports, Volume 9, Issue 4, April 2026.
ABSTRACT Background and Aims Ocular fungal infections are an important but often underrecognized cause of ocular morbidity, particularly in resource‐limited settings. Delayed diagnosis and inappropriate treatment can lead to poor visual outcomes and increased disease burden.
Isaiah Osei Duah Junior   +4 more
wiley   +1 more source

Presbyacusis A Review [PDF]

open access: yes
Life expectancy of Humans is on the rise. World’s human population is aging rapidly. According to a report of US census Bureau nearly 24% of current world population is above the age of 50. This is a phenomenal number.
Balasubramanian, Thiagarajan
core  

Nanostructured drug delivery systems for posterior segment eye diseases: Strategies to defy ocular barriers

open access: yesBMEMat, Volume 4, Issue 1, March 2026.
Efficient drug delivery to the posterior segment of the eye has long been a challenging issue due to the complex ocular barriers. The review focuses on the promise held by nanoplatforms for barrier penetration and the key mechanisms involved, also highlighting their advantages in achieving efficient drug delivery and superior treatment of PSEDs ...
Yifan Shen   +7 more
wiley   +1 more source

Ultrasonography-guided removal of plant-based foreign bodies from the lacrimal sac in four dogs

open access: yesBMC Veterinary Research, 2019
Background Dacryocystitis is an inflammation of the lacrimal drainage system. One of the most common causes of dacryocystitis in dogs is due to plant-based foreign bodies typically located in the lacrimal sac.
Giovanni Barsotti   +2 more
doaj   +1 more source

Endoscopic orbital decompression for Graves' ophthalmopathy [PDF]

open access: yes, 2002
Graves’ disease may occasionally result in significant proptosis that is either cosmetically unacceptable or causes visual loss. This has traditionally been managed surgically by external decompression of the orbital bony skeleton. Trans-nasal endoscopic
Carney, A.   +3 more
core   +1 more source

A review and illustrated description of Musca Crassirostris, one of the most neglected livestock hematophageous flies [PDF]

open access: yes, 2019
Tabanids, stomoxyine flies, hippoboscids and tsetse flies are the most well‐known brachyceran biting flies of livestock. Only a few other higher Diptera have developed the unique mouthparts required for blood feeding.
Al‐Saffar H.   +35 more
core   +1 more source

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