Miękisz drzewny

Miękisz drzewnytkanka roślinna występująca w postaci pasm komórek miękiszowych pomiędzy innymi elementami drewna (ksylemu), pełniąca funkcję tkanki spichrzowej oraz zapewniająca łączność drewna z innymi tkankami organu, co jest niezbędnym warunkiem funkcjonowania drewna jako tkanki przewodzącej. Miękisz drzewny to jedyne żywe komórki wchodzące w skład drewna[1].

Podczas procesu przekształcania drewna miękkiego w twardziel komórki miękiszu drzewnego mogą wrastać do wnętrza naczyń tworząc wcistki[1].

Przypisy

  1. a b Szweykowska Alicja, Szweykowski Jerzy: Botanika t.1 Morfologia. Warszawa: Wydawnictwo Naukowe PWN, 2003, s. 130, 190. ISBN 83-01-13953-6.

Read other articles:

Theodor Kliefoth Theodor Friedrich Dethlof Kliefoth was a German Neo-Lutheran. He was born in Körchow, Mecklenburg-Schwerin on 18 January 1810 and he died in Schwerin on 26 January 1895. Life He was educated at the gymnasium of Schwerin, and at the Universities of Berlin and Rostock. In 1833 he was appointed instructor of Duke William of Mecklenburg, and in 1837 accompanied Grand Duke Frederick Francis as tutor to Dresden. He became pastor at Ludwigslust in 1840, and superintendent of Schwer...

 

Morgantown Personal Rapid Transit LugarÁrea abastecida Morgantown, Virginia OccidentalDescripciónTipo Transporte hectométricoInauguración 1975Características técnicasLongitud 8,7 millas (14,0 km)Estaciones 5Ancho de vía 4 pie 8½' (1435 mm) (ancho estándar)ExplotaciónLíneas 1Pasajeros 16,000Operador Universidad de Virginia Occidental[editar datos en Wikidata] El Morgantown Personal Rapid Transit es un sistema hectométrico que opera en Morgantown, Virginia Occide...

 

Se le dio el nombre de Montañas Kong[1]​ a una cordillera inexistente cartografiada en los mapas de África desde el año 1798 hasta finales de 1880.[2]​ Se pensaba que las montañas comenzaban en África Occidental próxima a la fuente montañosa del río Níger cerca de Tembakounda en Guinea, y luego continuaba hacia el este hasta los también ficticios montes de la Luna en el África Central, donde se creía que el Nilo Blanco tenía su fuente. Historia Las Montañas Kong en u...

?Heterocyathus Heterocyathus aequicostatus Біологічна класифікація Домен: Еукаріоти (Eukaryota) Царство: Тварини (Animalia) — Кишковопорожнинні (Coelenterata) Тип: Кнідарії (Cnidaria) Клас: Коралові поліпи (Anthozoa) Підклас: Шестипроменеві корали (Hexacorallia) Ряд: Мадрепорові корали (Scleractinia) Родина: Caryophylliidae Рід: Heterocyathu...

 

Organisation für wirtschaftliche Zusammenarbeit und EntwicklungOECD Deutsches Logo der OECD   Mitgliedstaaten der OECD 20 Gründerstaaten 18 weitere Mitgliedstaaten Englische Bezeichnung Organisation for Economic Co-operation and Development (OECD) Französische Bezeichnung Organisation de coopération et de développement économiques (OCDE) Italienische Bezeichnung Organizzazione per la cooperazione e lo sviluppo economico (OCSE) Sitz der Organe Schloss La Muette,Paris...

 

Beberapa siswi sekolah dasar saat mengikuti upacara bendera. Peserta didik adalah anggota masyarakat yang berusaha mengembangkan potensi diri melalui proses pembelajaran pada jalur pendidikan baik pendidikan informal, pendidikan formal maupun pendidikan nonformal, pada jenjang pendidikan dan jenis pendidikan tertentu. Istilah lain Murid, yaitu istilah untuk menyebut peserta didik di jenjang pendidikan dini dan dasar, yaitu taman kanak-kanak dan sekolah dasar. Pelajar adalah istilah lain yang ...

Heat-resistant and strong aromatic polyamide fiber This article's lead section may be too short to adequately summarize the key points. Please consider expanding the lead to provide an accessible overview of all important aspects of the article. (August 2021) Kevlar Names IUPAC name Poly(azanediyl-1,4-phenyleneazanediylterephthaloyl)[1] Identifiers CAS Number 24938-64-5 Y ChemSpider none Properties Chemical formula [-CO-C6H4-CO-NH-C6H4-NH-]n Except where otherwise noted, da...

 

13°26′51.2″N 144°37′5.5″E / 13.447556°N 144.618194°E / 13.447556; 144.618194 Point Udall (Orote Point) is the headland on the right in this view of Apra Harbor's mouth Point Udall, also called Orote Point, is the westernmost point (by travel, not longitude) in the territorial United States, located on the Orote Peninsula of Guam. It lies at the mouth of Apra Harbor, on the end of Orote Peninsula, opposite the Glass Breakwater of Cabras Island which forms th...

 

ReptarBackground informationOriginAthens, Georgia, United StatesGenresAlternative rockYears active2009-presentLabelsJoyful Noise Recordings, Vagrant Records, Lucky Number MusicMembersGraham UlicnyRyan EngelbergerWilliam KennedyAndrew McFarlandWebsitereptarmusic.bandcamp.com Reptar is an American band from Athens, Georgia founded by members Graham Ulicny (guitar, vocals), Ryan Engelberger (bass), William Kennedy (keyboards) and Andrew McFarland (drums). History Early years (2008–2013) Reptar...

1923 film Fräulein RaffkeRussian posterDirected byRichard EichbergWritten byHans BehrendtHelmuth OrthmannProduced byRichard EichbergStarringWerner KraussLydia PotechinaLee ParryCinematographyErich GrimmlerHeinrich GärtnerProductioncompanyRichard Eichberg-FilmDistributed bySüd-FilmRelease date18 September 1923Running time60 minutesCountryGermanyLanguagesSilent German intertitles Fräulein Raffke is a 1923 German silent film directed by Richard Eichberg and starring Werner Krauss, Lydia Pote...

 

American pornographic film company This article contains content that is written like an advertisement. Please help improve it by removing promotional content and inappropriate external links, and by adding encyclopedic content written from a neutral point of view. (May 2020) (Learn how and when to remove this template message) Shane's WorldTypePrivateIndustryPornographyFounded1996FounderShaneHeadquartersUnited StatesArea servedWorldwideProductsPornographic filmsWebsitewww.shanesworld.com Sha...

 

У Вікіпедії є статті про інші значення цього терміна: Церква Введення в храм Пречистої Діви Марії. Шаблон:Визначна пам'ятка: невідомі параметри: завершення будівництваЦерква Введення в храм Пречистої Діви Марії (Увисла) Тип парафіяльна церкваКраїна  Україна : ISO3166-...

女性及平等事務大臣Minister for Women and Equalities英國政府的皇家徽章現任栢丹娜2022年10月25日就任內閣辦公廳政府平等事務部(英语:Government Equalities Office)機關所在地西敏任命者英国君主(在諮詢英揆後)任期由英皇陛下酌情決定设立 女性事務大臣(1997年5月3日) 女性及平等事務大臣(2010年5月12日) 首任夏雅雯時為 婦女事務部長网站www.gov.uk/ 英国政治 宪法 大憲章 聯合法...

 

1965 studio album by Roger MillerThe Return of Roger MillerStudio album by Roger MillerReleased1965Recorded1964–65GenreCountryLength26:16LabelSmashProducerJerry KennedyRoger Miller chronology Roger and Out(1964) The Return of Roger Miller(1965) The 3rd Time Around(1965) The Return of Roger Miller is the second studio album of country music singer-songwriter Roger Miller. It was released under the Smash Records label in 1965. It reached No. 2 on the country album charts and No. 4 on ...

 

Japanese professional wrestler and actor AKIRA (wrestler) redirects here. For the American professional wrestler, see Akira (American wrestler). Akira NogamiNogami in September 2011Born (1966-03-13) March 13, 1966 (age 57)[1]Narashino, Chiba, Japan[1]Professional wrestling careerRing name(s)AkiraAkira NogamiSue Takafusa[2]Billed height180 cm (5 ft 11 in)Billed weight90 kg (198 lb)Trained byNJPW Dojo[1]DebutOctober 12, 1984[1 ...

المدونة الأخلاقية هي وثيقة تتبناها المنظمات وتتألف من من ثلاثة مستويات هي  مدونات أخلاق العمل، ومدونات سلوك الموظفين، ومدونات الممارسات المهنية. وتتبنى بعض المنظمات المدونة الأخلاقية لمساعدة أعضائها في فهم الفرق بين «الصحيح» و «الخطأ» وتطبيق هذا الفهم على قرا...

 

Founder of St Joseph's Young Priests Society Olivia TaaffeBornOlivia Mary Blake24 June 1832Ballyglunin, Co GalwayDied3 May 1918 (1918-05-04) (aged 85)DublinNationalityIrishNotable workFounding religious charity Olivia Taaffe (24 June 1832 – 3 May 1918) was the founder of St Joseph's Young Priests Society. Early life Taaffe was born Olivia Mary Blake on 24 June 1832 in Annagh House, near Tuam, Co. Galway, Ireland to John Joseph Blake and Elizabeth Bodkin. She was born with a twin b...

 

American chemist Robert E. Blankenship is an American chemist. Blankenship earned a Bachelor of Science degree in chemistry from Nebraska Wesleyan University in 1970, and obtained a doctorate in the subject at University of California, Berkeley in 1975. Upon completing postdoctoral research at the University of Washington in 1979, Blankenship began his teaching career as an assistant professor at Amherst College in 1979. He assumed an associate professorship at Arizona State University in 198...

Dalam nama Korean ini, nama keluarganya adalah Oh. Oh Yeon-seoOh Yeon-seo pada tahun 2017LahirOh Haet-nim22 Juni 1987 (umur 36)Jinju, Provinsi Gyeongsang Selatan, Korea SelatanPendidikanUniversitas DonggukPekerjaanAktrisPenyanyiModelTahun aktif2002–sekarangAgenStory J CompanyTinggi170 cm (5 ft 7 in)Karier musikNama lainHaetnimGenreK-popdance-popInstrumenVokalTahun aktif2002–2003LabelSidusHQNama KoreaHangul오연서 Hanja吳漣序[1]吳沇序[2]吳...

 

Type of second-tier subdivision of Vietnam Huyen redirects here. For the falling tone, see Tones in Vietnamese. Administrative Unitsof Vietnam First-level Municipality Province Second-level Municipal city Urban district Provincial city District-level town District Third-level Ward Commune-level town Commune Fourth-level (unofficial) Neighborhood (khu phố) Hamlet (xóm, ấp) Village (làng, thôn, bản) vte Districts (Vietnamese: huyện), also known as rural districts or counties, are one...

 

Strategi Solo vs Squad di Free Fire: Cara Menang Mudah!