China 
Africa 
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Monographs of essential oils that have caused contact allergy / allergic contact dermatitis
Published in Anton C. de Groot, Monographs in Contact Allergy, 2021
Thuja occidentalis L. is an evergreen coniferous tree which grows up to 25 meter tall and one meter in diameter. It is native to Canada and the USA and is cultivated in China, Korea, Russia (European part), and Europe, often for ornamental purposes (2,12). One of its common names is ‘Arborvitae’, which is particularly used in the horticultural trade in the United States and is Latin for ‘tree of life’ - due to the supposed medicinal properties of the sap, bark and twigs. In folk medicine, Thuja occidentalis has been used to treat various diseases (2). It has a myriad of applications in Western herbal medicine, traditional Chinese medicine, homeopathy and aromatherapy. The pharmaceutical, pharmacological and clinical properties of Thuja occidentalis (products) have been reviewed (3,4).
Central nervous system
Published in A Stewart Whitley, Jan Dodgeon, Angela Meadows, Jane Cullingworth, Ken Holmes, Marcus Jackson, Graham Hoadley, Randeep Kumar Kulshrestha, Clark’s Procedures in Diagnostic Imaging: A System-Based Approach, 2020
A Stewart Whitley, Jan Dodgeon, Angela Meadows, Jane Cullingworth, Ken Holmes, Marcus Jackson, Graham Hoadley, Randeep Kumar Kulshrestha
The cerebellum is situated in the posterior cranial fossa behind the pons and the medulla (Fig. 11.2c). It consists of two hemispheres joined by a narrow median strip, termed the vermis. The grey matter lies on the surface and its internal structure forms a branch-like pattern known as the arbor vitae. Cerebellar functions are below the level of consciousness and include the maintenance of balance and posture and co-ordination of voluntary muscle movement.
Anatomy for neurotrauma
Published in Hemanshu Prabhakar, Charu Mahajan, Indu Kapoor, Essentials of Anesthesia for Neurotrauma, 2018
Vasudha Singhal, Sarabpreet Singh
The cerebellum is divided into two cerebellar hemispheres connected by a narrow midline vermis. The surface is divided by numerous curved transverse fissures or folia, giving it a laminated appearance. Although being only 10% of the total weight of the total brain volume, it contains 3.6 times as many neurons as in the cortex due to the folded pattern in the cerebellar gray matter. The white matter of the cerebellum is largely made of myelinated nerve fibers to and from the cortex, and is referred to as arbor vitae, due to its branched, tree-like appearance in cross-section. Embedded within the white matter, are four deep gray matter nuclei—dentate, globose, emboliform, and fastigial, which are the main sources of output from the cerebellum.
Hysteroscopy in postmenopause: from diagnosis to the management of intrauterine pathologies
Published in Climacteric, 2020
R. Fagioli, A. Vitagliano, J. Carugno, G. Castellano, M. C. De Angelis, A. Di Spiezio Sardo
In the postmenopausal patient, the endocervix is physiologically subject to atrophic modifications, with a partial or total disappearance of the arbor vitae and involution of cervical glands. The most common pathologic findings are endocervical polyps, whose appearance is of cherry-red to reddish-purple or grayish-white elongated lesions that may vary in size from a few millimeters to several centimeters. Although cervical polyps are mainly benign, they occasional account for cancer; for this reason, they should be removed and sent for pathologic evaluation67.