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A light micrograph of an ocelloid-containing dinoflagellate. The nucleus is marked n, the ocelloid is indicated with a double arrowhead, and a posterior cell extension is indicated with an arrow; scale bar = 10 μm.
Ocelli (the plural of ocellus) are a type of simple eye, or eyespot. They are photoreceptive, but very simple; differing from complex eyes with compound lenses, ocelli cannot morph the sensation of light into a complete image, and are utilized to sense movement and the absence and presence of light.
The term "ocellus" (plural ocelli) is derived from the Latin oculus (eye), and literally means "little eye". In insects, two distinct ocellus types exist: [9] dorsal (top-most) ocelli, and lateral ocelli (often referred to as ocelli and stemmata, respectively), most insects have dorsal ocelli while stemmata are found in the larvae of some ...
Species of Hiltonius range from 35–70 mm (1.4–2.8 in) long and 4–10 mm (0.16–0.39 in) wide, with 40–49 body segments. The eyes are composed of patches of ocelli, widely spaced, containing 21 to 37 ocelli per patch.
Berberine, a plant compound traditionally used in herbal medicine, is today commonly stocked on the shelves of health food stores and pharmacies as a supplement.. Berberine supplements gained ...
Beetle families may use antennae in different ways. For example, when moving quickly, tiger beetles may not be able to see very well and instead hold their antennae rigidly in front of them in order to avoid obstacles. [67] Certain Cerambycidae use antennae to balance, and blister beetles may use them for grasping.
Other causes can include acid reflux, asthma, allergies, or other chronic medical conditions, adds Richard Watkins, M.D., an infectious disease physician and professor of medicine at the Northeast ...
In Japan, the use of TCM herbs and herbal formulas is traditionally known as Kampo, literally "Han Chinese Medical Formulas". In Korea, more than 5000 herbs and 7000 herbal formulas are used in Traditional Korean Medicine for the prevention and treatment of ailments. These are herbs and formulas that are traditionally Korean or derived from, or ...