Trichoma hair
Trichomes ; from Ancient Greek τρίχωμα (tríkhōma) 'hair') are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae. A covering of any kind of hair on a plant is an indumentum, and the … See more Certain, usually filamentous, algae have the terminal cell produced into an elongate hair-like structure called a trichome. The same term is applied to such structures in some cyanobacteria, such as Spirulina and Oscillatoria. … See more Both trichomes and root hairs, the rhizoids of many vascular plants, are lateral outgrowths of a single cell of the epidermal layer. … See more In the model plant Arabidopsis thaliana, trichome formation is initiated by the GLABROUS1 protein. Knockouts of the corresponding gene lead to glabrous plants. This See more Bean leaves have been used historically to trap bedbugs in houses in Eastern Europe. The trichomes on the bean leaves capture the insects by … See more Plant trichomes have many different features that vary between both species of plants and organs of an individual plant. These features affect the subcategories that trichomes are placed into. Some defining features include the following: • Unicellular … See more The type, presence and absence and location of trichomes are important diagnostic characters in plant identification and plant taxonomy. In forensic examination, plants such as Cannabis sativa can be identified by microscopic … See more Plants may use trichomes in order to deter herbivore attacks via physical and/or chemical means, e.g. in specialized, stinging hairs of Urtica (Nettle) species that deliver inflammatory chemicals such as histamine. Studies on trichomes have been focused … See more WebFavus or tinea favosa is in most cases a severe form of tinea capitis. It is caused by the dermatophyte fungus Trichophyton schoenleinii and results in a honeycomb destruction …
Trichoma hair
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WebDefine trichoma. trichoma synonyms, trichoma pronunciation, trichoma translation, English dictionary definition of trichoma. a condition of the hair in which it is matted or crusted. … WebPeople with trichotillomania feel a building tension or urge to pull their hair. This may include the hair on their scalp, on their eyebrows or in their groin. Pulling hair out can temporarily …
Webtrichiasis: [ trĭ-ki´ah-sis ] 1. a condition of ingrowing hairs about an orifice. 2. inversion of the eyelashes, characterized by excessive tearing and the sensation of a foreign body in the eye. 3. the appearance of hairlike … WebA typical glandular hair possesses a stalk and an enlarged terminal portion, which may be referred to as gland. The glandular hairs may be uni- or multicellular. Active secretory cells …
WebWe describe a 62-year-old patient with a chronic delusional disorder who presented with severely matted hair ("plica polonica"). Until the late 19th century such dreadlocks were … WebJan 11, 2013 · In Arabidopsis thaliana the CPC-like MYB transcription factors [CAPRICE (CPC), TRIPTYCHON (TRY), ENHANCER OF TRY AND CPC 1, 2, 3/CPC-LIKE MYB 3 (ETC1, …
WebFeb 9, 2024 · Trichotillomania, also known as hair-pulling disorder, is a mental health condition that involves recurrent, irresistible urges to pull hair from the scalp, eyebrows, …
WebMar 25, 2024 · By Eglé Sakalauskaité–Juodeikiené, MD, PhD. Plica polonica is an endemic disease of Poland, Tartary, and neighboring countries. It begins with a long-lasting … episodic behaviorWebJun 25, 2016 · The best way to determine when to harvest your cannabis plants is by monitoring the trichomes. Trichomes are small, hair-like structures that contain the active compounds responsible for the plant's aroma, flavor, and potency. As the plant matures, trichomes change in appearance, which can be used as an indicator for harvesting. Clear … episodic behaviour disorderWebRoot hairs are tubular outgrowths of epiblema cells. Trichomes may be unicellular or multicellular. Root hairs are unicellular. They are highly variable in shape varying from … episodic ataxia symptomsWebFeb 26, 2024 · The epithet is from the Latin trichoma, "hair", referring to the shape of true leaves in Phyllocladus. Citations. Allan, H. H. 1961. Flora of New Zealand. Volume I, … driver\u0027s license iphone walletWebTo determine the thickness of the ‘hair coat’,thatisthe trichome layer produced when both types of trichome occur together, transverse sections of fresh material were used (as for epifluorescence microscopy). Both the total leaf mesophyll and the hair coat thickness were measured from the images driver\u0027s license issued by stateWebOther articles where trichome is discussed: fern: Surface structure: …consisting of hairs, known as trichomes, or scales; these are so distinctive that they are valuable in … episodic boutsWebEpidermal appendages include root hair and trichomes. Root hairs are unicellular elongations of the epidermal cells that help in water and mineral absorption. Trichomes … driver\u0027s license in the us