Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)

The olfactory and the vomeronasal system are the two major chemosensory systems found in terrestrial vertebrates. Among tetrapods, amphibians are unique in having an aquatic larval stage, followed by metamorphosis to a terrestrial adult. In the present work, we studied the histological development o...

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Detalles Bibliográficos
Autores principales: Jungblut, L.D., Pozzi, A.G., Paz, D.A.
Formato: JOUR
Materias:
Amphibia Anura
Bowman's gland
Chemical senses
Olfactory system
Vomeronasal gland
adult
chemoreception
histology
larval development
metamorphosis
odor
olfactory cue
toad
Amphibia
Animalia
Anura
Bufo
Bufonidae
Tetrapoda
Vertebrata
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00017272_v92_n4_p305_Jungblut
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00017272_v92_n4_p305_Jungblut
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spelling todo:paper_00017272_v92_n4_p305_Jungblut2023-10-03T13:51:50Z Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867) Jungblut, L.D. Pozzi, A.G. Paz, D.A. Amphibia Anura Bowman's gland Chemical senses Olfactory system Vomeronasal gland adult chemoreception histology larval development metamorphosis odor olfactory cue toad Amphibia Animalia Anura Bufo Bufonidae Tetrapoda Vertebrata The olfactory and the vomeronasal system are the two major chemosensory systems found in terrestrial vertebrates. Among tetrapods, amphibians are unique in having an aquatic larval stage, followed by metamorphosis to a terrestrial adult. In the present work, we studied the histological development of the olfactory and vomeronasal organ and associated multicellular glands of the toad Rhinella (Bufo) arenarum, from early poshatching larva to postmetamorphic toadlets. As in other bufonids, the olfactory epithelium of R.arenarum in larvae is divided into dorsal and ventral branches in the rostral and mid-nasal regions. At metamorphic climax, the larval pattern changes drastically and the adult olfactory configuration develops. Bowman's glands appear in the olfactory epithelium of R.arenarum at the onset of metamorphic climax. The vomeronasal epithelium develops early in larval development in R.arenarum, around the time of operculum development. Interestingly, a novel sensory epithelium develops in the floor of the principal chamber of R.arenarum at metamorphic climax. This novel sensory epithelium resembles larval sensory epithelium lacking Bowman's glands, and suggests that these animals would be able to sense not only air-borne, but also water-borne odors during their adult terrestrial life. © 2010 The Royal Swedish Academy of Sciences. Fil:Jungblut, L.D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Pozzi, A.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Paz, D.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00017272_v92_n4_p305_Jungblut
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Amphibia Anura
Bowman's gland
Chemical senses
Olfactory system
Vomeronasal gland
adult
chemoreception
histology
larval development
metamorphosis
odor
olfactory cue
toad
Amphibia
Animalia
Anura
Bufo
Bufonidae
Tetrapoda
Vertebrata
spellingShingle Amphibia Anura
Bowman's gland
Chemical senses
Olfactory system
Vomeronasal gland
adult
chemoreception
histology
larval development
metamorphosis
odor
olfactory cue
toad
Amphibia
Animalia
Anura
Bufo
Bufonidae
Tetrapoda
Vertebrata
Jungblut, L.D.
Pozzi, A.G.
Paz, D.A.
Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)
topic_facet Amphibia Anura
Bowman's gland
Chemical senses
Olfactory system
Vomeronasal gland
adult
chemoreception
histology
larval development
metamorphosis
odor
olfactory cue
toad
Amphibia
Animalia
Anura
Bufo
Bufonidae
Tetrapoda
Vertebrata
description The olfactory and the vomeronasal system are the two major chemosensory systems found in terrestrial vertebrates. Among tetrapods, amphibians are unique in having an aquatic larval stage, followed by metamorphosis to a terrestrial adult. In the present work, we studied the histological development of the olfactory and vomeronasal organ and associated multicellular glands of the toad Rhinella (Bufo) arenarum, from early poshatching larva to postmetamorphic toadlets. As in other bufonids, the olfactory epithelium of R.arenarum in larvae is divided into dorsal and ventral branches in the rostral and mid-nasal regions. At metamorphic climax, the larval pattern changes drastically and the adult olfactory configuration develops. Bowman's glands appear in the olfactory epithelium of R.arenarum at the onset of metamorphic climax. The vomeronasal epithelium develops early in larval development in R.arenarum, around the time of operculum development. Interestingly, a novel sensory epithelium develops in the floor of the principal chamber of R.arenarum at metamorphic climax. This novel sensory epithelium resembles larval sensory epithelium lacking Bowman's glands, and suggests that these animals would be able to sense not only air-borne, but also water-borne odors during their adult terrestrial life. © 2010 The Royal Swedish Academy of Sciences.
format JOUR
author Jungblut, L.D.
Pozzi, A.G.
Paz, D.A.
author_facet Jungblut, L.D.
Pozzi, A.G.
Paz, D.A.
author_sort Jungblut, L.D.
title Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)
title_short Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)
title_full Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)
title_fullStr Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)
title_full_unstemmed Larval development and metamorphosis of the olfactory and vomeronasal organs in the toad Rhinella (Bufo) arenarum (Hensel, 1867)
title_sort larval development and metamorphosis of the olfactory and vomeronasal organs in the toad rhinella (bufo) arenarum (hensel, 1867)
url http://hdl.handle.net/20.500.12110/paper_00017272_v92_n4_p305_Jungblut
work_keys_str_mv AT jungblutld larvaldevelopmentandmetamorphosisoftheolfactoryandvomeronasalorgansinthetoadrhinellabufoarenarumhensel1867
AT pozziag larvaldevelopmentandmetamorphosisoftheolfactoryandvomeronasalorgansinthetoadrhinellabufoarenarumhensel1867
AT pazda larvaldevelopmentandmetamorphosisoftheolfactoryandvomeronasalorgansinthetoadrhinellabufoarenarumhensel1867
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