Results 51 to 60 of about 4,364 (179)

Xerophthalmia and vitamin a status

Progress in Retinal and Eye Research, 1998
The existence of 'fat-soluble A' has been known for over 80 years. But until recently clinicians were almost wholly absorbed by the ocular changes accompanying deficiency (xerophthalmia), and scientists with the vitamin's metabolic role in the rhodopsin cycle.
openaire   +2 more sources

Pro‐Vitamin A Biofortified Cavendish Banana: Trait Stability in the Field

Plant Biotechnology Journal, Volume 24, Issue 5, Page 3327-3344, May 2026.
ABSTRACT Vitamin A deficiency (VAD), a major global health concern, has driven efforts to develop staple crops with enhanced pro‐vitamin A (pVA) content. Delivering meaningful nutritional benefits, however, requires technologies that maintain elevated carotenoid levels under field conditions. Previous proof‐of‐concept work demonstrated that pVA content
Jimmy M. Tindamanyire, Jacinta L. Watkins, Cara Mortimer, Bulukani Mlalazi, Jeff Daniells, Rob Harding, James L. Dale, Jean‐Yves Paul   +7 more
wiley   +1 more source

Biomarkers and Diagnostic Testing for Renal Disease in Sjogren's Syndrome

Frontiers in Immunology, 2020
Primary Sjogren's syndrome (pSS) is an autoimmune disorder in which lymphocytic infiltration leads to lacrimal and salivary glands dysfunction, which results in symptoms of dryness (xerophthalmia and xerostomia).
Giacomo Ramponi, Giacomo Ramponi, Marco Folci, Marco Folci, Salvatore Badalamenti, Salvatore Badalamenti, Claudio Angelini, Claudio Angelini, Enrico Brunetta, Enrico Brunetta   +9 more
doaj   +1 more source

Prevalence and Determinants of Vitamin A Supplementation Among Somali Children (6–59 Months): A Cross‐Sectional Study Using Insights From the SDHS 2020

Health Science Reports, Volume 9, Issue 3, March 2026.
ABSTRACT Background and Aims Vitamin A deficiency (VAD) is a pressing public health issue for young children in low‐ and middle‐income countries like Somalia, significantly increasing risks of morbidity, mortality, and impaired development. High‐dose Vitamin A supplementation (VAS) is a crucial preventative intervention, yet data on its coverage in ...
Mohamed Said Hassan, Abdirahman Ibrahim said, Saralees Nadarajah, Ayan Husein Korse, Hana Mahdi Dahir   +4 more
wiley   +1 more source

Falência autonómica pura.

Acta Médica Portuguesa, 1993
We present the case of a 64-year-old woman who, in the past 5 years, complained of constipation/diarrhea, hyposudoresis, xerostomia and xerophthalmia, dysuria and orthostatic hypotension.
J L Ducla-Soares, A S Guerreiro, P Póvoa, E Alvares, L Guerreiro, F Carrilho, M Santos, J Figueirinhas, M Carvalho   +8 more
doaj   +1 more source

The Fat-Soluble A Vitamine and Xerophthalmia [PDF]

Science, 1920
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openaire   +3 more sources

Co-Existence of Dry Mouth, Xerostomia, and Focal Lymphocytic Sialadenitis in Patients with Sjögren’s Syndrome

Applied Sciences
Background: Some patients with Sjögren’s syndrome (SS) do not develop xerostomia despite advanced involvement of the salivary glands and the presence of focal lymphocytic sialadenitis (FLS).
Katarzyna Błochowiak
doaj   +1 more source

Prevalence of vitamin A deficiency in children aged 6-9 years in Wukro, northern Ethiopia

Bulletin of the World Health Organization, 2001
OBJECTIVE: To determine the prevalence of vitamin A deficiency in children aged 6-9 years in northern Ethiopia. METHODS:A cross-sectional study was carried out and the data were analysed for 824 (61.5%) of 1339 eligible children for whom there was ...
Kassaye Tarik, Receveur Olivier, Johns Timothy, Becklake Margaret R.   +3 more
doaj  

Excision of Greater Superficial Petrosal Nerve Schwannoma Via a Pure Endoscopic Endonasal Approach

Ear, Nose & Throat Journal
Greater superficial petrosal nerve (GSPN) schwannomas are an exceedingly rare nerve sheath tumor. The current literature search was conducted using Medline and Embase database by key search terms. Only 31 cases have been reported in the literature so far.
Zhenlin Wang MD, Siyuan Zhang MMed, Yan Qi MD, Lianjie Cao MD, Pu Li MD, Qiuhang Zhang MD   +5 more
doaj   +1 more source

Conjunctival and corneal peroxidases in vitamin A deficiency

Indian Journal of Ophthalmology, 1992
Xerophthalmia is a commonly encountered nutritional disorder that affects the growing population of the world. Conjunctival and corneal epithelial cells contain peroxidase enzyme.
Ratnakar K
doaj