Abstract
Mysticetes have evolved a novel filter feeding apparatus-baleen-an epidermal keratinous tissue composed of keratin that grows as a serial arrangement of transverse cornified laminae from the right and left sides of the palate. The structure and function of baleen varies among extant mysticete clades and this variation likely can be viewed as adaptations related to different filter feeding strategies. In one of the first morphometric studies of the full baleen apparatus, we describe the morphology of complete baleen racks in neonate, yearling and adult gray whales (Eschrichtius robustus), and note morphometric variations between age groups as well as within individual racks. Morphometric data and detailed descriptions were collected from the full baleen apparatus of three frozen specimens of E. robustus using previously derived ecologically significant and broad scale measurements of baleen. Additionally, characters of the baleen apparatus were described based on visible patterns of baleen laminae and plates on the dorsal root of the rack. Results indicate that the longest, widest, and thickest plates and laminae are found toward the posterior half of the rack, resulting in the greatest surface area for filtration of prey occurr...Continue Reading
References
Sep 1, 1981·Biophysical Chemistry·J P LassallesM Thellier
Mar 8, 1993·The Journal of Comparative Neurology·J F BernardJ M Besson
Sep 2, 2004·The Journal of Experimental Biology·Alexander J Werth
Mar 21, 2006·The Journal of Experimental Biology·Jeremy A GoldbogenJohn A Hildebrand
Jul 11, 2006·Journal of Morphology·Tobin L HieronymusRyan C Ridgely
Oct 4, 2006·Proceedings. Biological Sciences·Erich M G Fitzgerald
Jan 1, 1993·Skull Base Surgery·B K PauwA Valavanis
Feb 13, 2008·Systematic Biology·Thomas A DeméréJohn Gatesy
Aug 21, 2009·Proceedings. Biological Sciences·Malene SimonPeter T Madsen
Nov 27, 2009·Proceedings. Biological Sciences·Jeremy A GoldbogenRobert E Shadwick
Apr 16, 2010·Proceedings. Biological Sciences·L J SzewciwD S Fudge
Jun 9, 2010·Systematic Biology·Mette E SteemanEske Willerslev
Dec 15, 2010·The Journal of Experimental Biology·J A GoldbogenR E Shadwick
Jul 15, 2011·PloS One·Nicholas D Pyenson, David R Lindberg
May 19, 2012·Movement Disorders : Official Journal of the Movement Disorder Society·Ji Young YunBeom S Jeon
Mar 15, 2013·The Journal of Experimental Biology·Alexander J Werth
May 4, 2013·Journal of Morphology·Sheldon J D Pinto, Robert E Shadwick
Feb 11, 2015·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Eric G EkdaleAnnalisa Berta
Citations
Jan 31, 2016·Journal of Morphology·Alexander J WerthRobert E Shadwick
Feb 11, 2015·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Eric G EkdaleAnnalisa Berta
Jun 14, 2016·Conservation Physiology·Kathleen E HuntRosalind M Rolland
Dec 4, 2014·PloS One·Cristina PomillaHoward Rosenbaum
Jan 21, 2011·PloS One·David J StarkeyMichaela Barnard
Apr 3, 2014·PloS One·Emma L CarrollTim D Smith
Sep 14, 2016·Annual Review of Marine Science·J A GoldbogenA J Werth
Apr 13, 2017·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Alexander J Werth, Haruka Ito
May 26, 2017·Journal of Anatomy·Felix G MarxGiovanni Bianucci
Apr 5, 2019·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Jeffrey T Laitman, Kurt H Albertine
Dec 13, 2016·Integrative and Comparative Biology·Annalisa BertaThomas A Deméré
Nov 18, 2016·Royal Society Open Science·Alexander J WerthTodd L Sformo
Oct 4, 2017·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Kurt H AlbertineKenneth Bo Foreman
Jan 25, 2020·Bioinspiration & Biomimetics·Yawei ZhuDean Hu
Aug 31, 2017·PloS One·Caroline SolazzoJolon M Dyer
Oct 4, 2017·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Megan M JensenJeremy A Goldbogen
Sep 19, 2017·General and Comparative Endocrinology·Kathleen E HuntRosalind M Rolland