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In botany, an operculum (pl.: opercula) or calyptra (from Ancient Greek καλύπτρα (kalúptra) 'veil') is a cap-like structure in some flowering plants, mosses, and fungi. It is a covering, hood or lid, describing a feature in plant morphology .
Polytrichum strictum, commonly known as bog haircap moss [1] or strict haircap, [2] is an evergreen and perennial species of moss native to Sphagnum bogs and other moist habitats in temperate climates. It has a circumboreal distribution, and is also found in South America and Antarctica. [3]
Operculum (lid) "Finger" that turns inside out / / / Barbs Venom Victim's skin Victim's tissues. An operculum is an anatomical feature, a stiff structure resembling a lid or a small door that opens and closes, and thus controls contact between the outside world and an internal part of an animal. Examples include:
An example of moss (Bryophyta) on the forest floor in Broken Bow, Oklahoma Bryophytes ( / ˈ b r aɪ . ə ˌ f aɪ t s / ) [ 2 ] are a group of land plants ( embryophytes ), sometimes treated as a taxonomic division , that contains three groups of non-vascular land plants: the liverworts , hornworts , and mosses . [ 3 ]
Ptychomnion aciculare (Greek ptychios meaning ‘folded’, mnion meaning ‘moss’) is possibly the most common form of moss found in wet and rain forests around the southern hemisphere. It grows on ground level, particularly on humus soils, on fallen trees and logs, or as an epiphyte in some instances; often forming vast mats. [ 4 ]
Hypnales is the botanical name of an order of Bryophyta or leafy mosses.This group is sometimes called feather mosses, referring to their freely branched stems. [1] The order includes more than 40 families and more than 4,000 species, making them the largest order of mosses.
Grass is a natural source of nutrition for a horse. Equine nutrition is the feeding of horses, ponies, mules, donkeys, and other equines. Correct and balanced nutrition is a critical component of proper horse care. Horses are non-ruminant herbivores of a type known as a "hindgut fermenter." Horses have only one stomach, as do humans.
Equine metabolic syndrome (EMS) is an endocrinopathy affecting horses and ponies. It is of primary concern due to its link to obesity, insulin dysregulation , and subsequent laminitis .