the ciliated free-swimming larva of hydrozoan coelenterates such as the hydra
Derived forms
planular (ˈplanular)
adjective
Word origin
C19: from New Latin: a little plane, from Latin plānum level ground
Examples of 'planulae' in a sentence
planulae
Larval output as well as settlement behavior of planulae was investigated.
Samuel Nietzer, Mareen Moeller, Makoto Kitamura, Peter J. Schupp 2018, 'Coral Larvae Every Day: Leptastrea purpurea, a Brooding Species That Could AccelerateCoral Research', Frontiers in Marine Sciencehttps://www.frontiersin.org/article/10.3389/fmars.2018.00466/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In addition, most of the planulae settled rapidly, limiting larval dispersal potential.
Rian Prasetia, Frederic Sinniger, Kaito Hashizume, Saki Harii 2017, 'Reproductive biology of the deep brooding coral Seriatopora hystrix: Implicationsfor shallow reef recovery.', PLoS ONEhttp://europepmc.org/articles/PMC5433689?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The paused stage planulae were negatively buoyant and adhered to substrate.
Robert Courtney, Sally Browning, Jamie Seymour 2016, 'Early Life History of the ‘Irukandji' Jellyfish Carukia barnesi', PLOS ONE10.1371/journal.pone.0151197. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
No planulae were observed in the samples investigated.
Fariba Heidari and Negin Salamat* 2012, 'Artificial Reproduction of Octocoral (Plumarella flabellata)', Pakistan Veterinary Journalhttp://pvj.com.pk/pdf-files/32_3/403-407.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Seriatopora hystrix did not release planulae under continuous light or continuousdarkness.
Che-Hung Lin, Keryea Soong, Tung-Yung Fan 2013, 'Hourglass Mechanism with Temperature Compensation in the Diel Periodicity of Planulationof the Coral, Seriatopora hystrix', PLoS ONE10.1371/journal.pone.0064584. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
No embryos or planulae were observed in the histological sections.
Daniela Muramatsu, Fábio Lang da Silveira 2008, 'Gametogenesis in Madracis decactis Lyman, 1859 (Cnidaria, Scleractinia) from IlhaGrande Bay (Rio de Janeiro), southeastern Brazil', Brazilian Journal of Oceanographyhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-87592008000400005. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Planulae become mature polyps after 10 days (15 days after fertilization).
Shanliang XU, Danli WANG 2009, 'Life cycle of Craspedacusta sowerbyi xinyangensis', Current Zoologyhttp://www.actazool.org/paperdetail.asp?id=11189. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This research focused on the relationship between the settlement of planulae and the wettability of artificialsubstrate surfaces.
Akiko Tomaru, Ryota Sasaki, Hidekazu Miyahara, Akitoshi Okino, Nobuhiro Ogawa, KojiHamasaki 2014, 'Settlement of planulae of the Moon jellyfish Aurelia aurita onto hydrophilic polycarbonateplates modified by atmospheric plasma treatment.', PLoS ONEhttp://europepmc.org/articles/PMC3896380?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
All three opsins (acropsins 1–3) possess conserved seven-pass transmembrane structure, and localize to distinct regions of coral planulae.
Benjamin Mason, Michael Schmale, Patrick Gibbs, Margaret W. Miller, Qiang Wang, KonstantinLevay, Valery Shestopalov, Vladlen Z. Slepak 2012, 'Evidence for Multiple Phototransduction Pathways in a Reef-Building Coral', PLoS ONE10.1371/journal.pone.0050371. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)