Three‐Dimensional Structure of the Nasal Passageway of a Hagfish and its Implications for Olfaction
From high‐resolution (65 μm) data acquired by magnetic resonance imaging, we have reconstructed the nasal passageway of a single adult hagfish specimen (probably Eptatretus stoutii). We have used this reconstruction to investigate how the anatomy and morphometry of the nasal passageway influence the...
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| Veröffentlicht in: | Anatomical record (Hoboken, N.J. : 2007) N.J. : 2007), 2011-06, Vol.294 (6), p.1045-1056 |
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| creator | Holmes, William M. Cotton, Ross Xuan, Viet Bui Rygg, Alex D. Craven, Brent A. Abel, Richard L. Slack, Robert Cox, Jonathan P.L. |
| description | From high‐resolution (65 μm) data acquired by magnetic resonance imaging, we have reconstructed the nasal passageway of a single adult hagfish specimen (probably Eptatretus stoutii). We have used this reconstruction to investigate how the anatomy and morphometry of the nasal passageway influence the olfactory ability of the hagfish. We found that the long, broad section of the passageway preceding the nasal chamber will delay the response to an odor by 1–2 s. Diffusion of odorant to the olfactory epithelium, on which the olfactory sensitivity of an animal depends, will be favored by the relatively large surface area of the olfactory epithelium (∼140 mm2) and a modest expansion in the nasal chamber. Oscillating flow (0.3–0.4 Hz) within the narrow (65–130 μm) sensory channels of the nasal chamber is laminar (Reynolds number ∼ 5) and quasi‐steady (Womersley number generally less than one). Distribution of flow over the olfactory epithelium may be aided by: (a) a narrowing before the nasal chamber; (b) partial blockage of the nasal passageway by a protrusion on the central olfactory lamella; and (c) the inward inclination of the olfactory lamellae. Anat Rec,, 2011. © 2011 Wiley‐Liss, Inc. |
| doi_str_mv | 10.1002/ar.21382 |
| format | Article |
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We have used this reconstruction to investigate how the anatomy and morphometry of the nasal passageway influence the olfactory ability of the hagfish. We found that the long, broad section of the passageway preceding the nasal chamber will delay the response to an odor by 1–2 s. Diffusion of odorant to the olfactory epithelium, on which the olfactory sensitivity of an animal depends, will be favored by the relatively large surface area of the olfactory epithelium (∼140 mm2) and a modest expansion in the nasal chamber. Oscillating flow (0.3–0.4 Hz) within the narrow (65–130 μm) sensory channels of the nasal chamber is laminar (Reynolds number ∼ 5) and quasi‐steady (Womersley number generally less than one). Distribution of flow over the olfactory epithelium may be aided by: (a) a narrowing before the nasal chamber; (b) partial blockage of the nasal passageway by a protrusion on the central olfactory lamella; and (c) the inward inclination of the olfactory lamellae. 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We have used this reconstruction to investigate how the anatomy and morphometry of the nasal passageway influence the olfactory ability of the hagfish. We found that the long, broad section of the passageway preceding the nasal chamber will delay the response to an odor by 1–2 s. Diffusion of odorant to the olfactory epithelium, on which the olfactory sensitivity of an animal depends, will be favored by the relatively large surface area of the olfactory epithelium (∼140 mm2) and a modest expansion in the nasal chamber. Oscillating flow (0.3–0.4 Hz) within the narrow (65–130 μm) sensory channels of the nasal chamber is laminar (Reynolds number ∼ 5) and quasi‐steady (Womersley number generally less than one). Distribution of flow over the olfactory epithelium may be aided by: (a) a narrowing before the nasal chamber; (b) partial blockage of the nasal passageway by a protrusion on the central olfactory lamella; and (c) the inward inclination of the olfactory lamellae. Anat Rec,, 2011. © 2011 Wiley‐Liss, Inc.</description><subject>Animals</subject><subject>diffusion</subject><subject>Eptatretus</subject><subject>Eptatretus stoutii</subject><subject>fluid movement</subject><subject>Hagfishes</subject><subject>Imaging, Three-Dimensional - methods</subject><subject>magnetic resonance imaging</subject><subject>Magnetic Resonance Imaging - methods</subject><subject>Models, Anatomic</subject><subject>Myxinidae</subject><subject>Nasal Cavity - anatomy & histology</subject><subject>Nasal Cavity - physiology</subject><subject>odorant transport</subject><subject>Odorants</subject><subject>olfactory ability</subject><subject>Olfactory Mucosa - anatomy & histology</subject><subject>Olfactory Mucosa - physiology</subject><subject>Smell - physiology</subject><issn>1932-8486</issn><issn>1932-8494</issn><issn>1932-8494</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kd1K3EAUxwdR1NpCn6AMeFFvovORTCaXorUriIrdXoezk3PcSLJZZxKWvfMRfMY-SWdd3UJBr84HP34czp-xr1IcSyHUCfhjJbVVW2xfFlolNi3S7U1vzR77FMKDEFkqCr3L9pTMtC1Uts9wPPWIf56ez-sWZ6HuZtDwX70fXD945B3xfor8GkJc30IIcI8LWK72wEdwT3WYcphVvO4Dv2znTe2gj5LAqfP8piFwq_Ez2yFoAn55rQfs98WP8dkoubr5eXl2epW41EqVODLKKTepkCY0sUQF2ooqWeUuz6wxeW6EdhpI6qLKKMtyiyRcSkCpo1TrA_Z97Z377nHA0JdtHRw2DcywG0JpjTXKaKkiefQhKYXMC2NzZSN6-B_60A0-_ilSubFCi3jXP6HzXQgeqZz7ugW_jKpyFVIJvnwJKaLfXoXDpMVqA76lEoFkDSzqBpfvisrTu7XwL-8Cm4A</recordid><startdate>201106</startdate><enddate>201106</enddate><creator>Holmes, William M.</creator><creator>Cotton, Ross</creator><creator>Xuan, Viet Bui</creator><creator>Rygg, Alex D.</creator><creator>Craven, Brent A.</creator><creator>Abel, Richard L.</creator><creator>Slack, Robert</creator><creator>Cox, Jonathan P.L.</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7QR</scope><scope>7TK</scope><scope>7TS</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>RC3</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>201106</creationdate><title>Three‐Dimensional Structure of the Nasal Passageway of a Hagfish and its Implications for Olfaction</title><author>Holmes, William M. ; Cotton, Ross ; Xuan, Viet Bui ; Rygg, Alex D. ; Craven, Brent A. ; Abel, Richard L. ; Slack, Robert ; Cox, Jonathan P.L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4812-cf62c2cbdefbfb8ff9e8dfd1d7c7586677603c3af139d5f5578ef0c4faf4cf433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Animals</topic><topic>diffusion</topic><topic>Eptatretus</topic><topic>Eptatretus stoutii</topic><topic>fluid movement</topic><topic>Hagfishes</topic><topic>Imaging, Three-Dimensional - methods</topic><topic>magnetic resonance imaging</topic><topic>Magnetic Resonance Imaging - methods</topic><topic>Models, Anatomic</topic><topic>Myxinidae</topic><topic>Nasal Cavity - anatomy & histology</topic><topic>Nasal Cavity - physiology</topic><topic>odorant transport</topic><topic>Odorants</topic><topic>olfactory ability</topic><topic>Olfactory Mucosa - anatomy & histology</topic><topic>Olfactory Mucosa - physiology</topic><topic>Smell - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Holmes, William M.</creatorcontrib><creatorcontrib>Cotton, Ross</creatorcontrib><creatorcontrib>Xuan, Viet Bui</creatorcontrib><creatorcontrib>Rygg, Alex D.</creatorcontrib><creatorcontrib>Craven, Brent A.</creatorcontrib><creatorcontrib>Abel, Richard L.</creatorcontrib><creatorcontrib>Slack, Robert</creatorcontrib><creatorcontrib>Cox, Jonathan P.L.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Physical Education Index</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><jtitle>Anatomical record (Hoboken, N.J. : 2007)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Holmes, William M.</au><au>Cotton, Ross</au><au>Xuan, Viet Bui</au><au>Rygg, Alex D.</au><au>Craven, Brent A.</au><au>Abel, Richard L.</au><au>Slack, Robert</au><au>Cox, Jonathan P.L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Three‐Dimensional Structure of the Nasal Passageway of a Hagfish and its Implications for Olfaction</atitle><jtitle>Anatomical record (Hoboken, N.J. : 2007)</jtitle><addtitle>Anat Rec (Hoboken)</addtitle><date>2011-06</date><risdate>2011</risdate><volume>294</volume><issue>6</issue><spage>1045</spage><epage>1056</epage><pages>1045-1056</pages><issn>1932-8486</issn><issn>1932-8494</issn><eissn>1932-8494</eissn><abstract>From high‐resolution (65 μm) data acquired by magnetic resonance imaging, we have reconstructed the nasal passageway of a single adult hagfish specimen (probably Eptatretus stoutii). We have used this reconstruction to investigate how the anatomy and morphometry of the nasal passageway influence the olfactory ability of the hagfish. We found that the long, broad section of the passageway preceding the nasal chamber will delay the response to an odor by 1–2 s. Diffusion of odorant to the olfactory epithelium, on which the olfactory sensitivity of an animal depends, will be favored by the relatively large surface area of the olfactory epithelium (∼140 mm2) and a modest expansion in the nasal chamber. Oscillating flow (0.3–0.4 Hz) within the narrow (65–130 μm) sensory channels of the nasal chamber is laminar (Reynolds number ∼ 5) and quasi‐steady (Womersley number generally less than one). Distribution of flow over the olfactory epithelium may be aided by: (a) a narrowing before the nasal chamber; (b) partial blockage of the nasal passageway by a protrusion on the central olfactory lamella; and (c) the inward inclination of the olfactory lamellae. Anat Rec,, 2011. © 2011 Wiley‐Liss, Inc.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>21538925</pmid><doi>10.1002/ar.21382</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Anatomical record (Hoboken, N.J. : 2007), 2011-06, Vol.294 (6), p.1045-1056 |
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| source | Wiley Online Library - AutoHoldings Journals; MEDLINE; Wiley Online Library Free Content |
| subjects | Animals diffusion Eptatretus Eptatretus stoutii fluid movement Hagfishes Imaging, Three-Dimensional - methods magnetic resonance imaging Magnetic Resonance Imaging - methods Models, Anatomic Myxinidae Nasal Cavity - anatomy & histology Nasal Cavity - physiology odorant transport Odorants olfactory ability Olfactory Mucosa - anatomy & histology Olfactory Mucosa - physiology Smell - physiology |
| title | Three‐Dimensional Structure of the Nasal Passageway of a Hagfish and its Implications for Olfaction |
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