The tongue in three species of lemurs: flower and nectar feeding adaptations.

The mobility of the primate tongue allows for the manipulation of food, but, in addition, houses both general sensory afferents and special sensory end organs. Taste buds can be found across the tongue, but the ones found within the fungiform papillae on the anterior two thirds of the tongue are the...

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Autores: Pastor, Juan Francisco, Muchlinski, Magdalena Natali, Potau Ginés, Josep Maria, Casado, Aroa, García-Mesa, Yolanda, Vega, José Antonio, Cabo, Roberto
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2021
País:España
Institución:Universidad de Oviedo (UNIOVI)
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/225362
Acceso en línea:https://hdl.handle.net/2445/225362
Access Level:acceso abierto
Palabra clave:Anatomia
Primats
Lèmurs
Anatomy
Primates
Lemur (Genus)
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spelling The tongue in three species of lemurs: flower and nectar feeding adaptations.Pastor, Juan FranciscoMuchlinski, Magdalena NataliPotau Ginés, Josep MariaCasado, AroaGarcía-Mesa, YolandaVega, José AntonioCabo, RobertoAnatomiaPrimatsLèmursAnatomyPrimatesLemur (Genus)The mobility of the primate tongue allows for the manipulation of food, but, in addition, houses both general sensory afferents and special sensory end organs. Taste buds can be found across the tongue, but the ones found within the fungiform papillae on the anterior two thirds of the tongue are the first gustatory structures to come into contact with food, and are critical in making food ingestion decisions. Comparative studies of both the macro and micro anatomy in primates are sparse and incomplete, yet there is evidence that gustatory adaptation exists in several primate taxa. One is the distally feathered tongues observed in non-destructive nectar feeders, such as Eulemur rubriventer. We compare both the macro and micro anatomy of three lemurid species who died of natural causes in captivity. We included the following two non-destructive nectar feeders: Varecia variegata and Eulemur macaco, and the following destructive flower feeder: Lemur catta. Strepsirrhines and tarsiers are unique among primates, because they possess a sublingua, which is an anatomical structure that is located below the tongue. We include a microanatomical description of both the tongue and sublingua, which were accomplished using hematoxylin-eosin and Masson trichrome stains, and scanning electron microscopy. We found differences in the size, shape, and distribution of fungiform papillae, and differences in the morphology of conical papillae surrounding the circumvallate ones in all three species. Most notably, large distinct papillae were present at the tip of the tongue in nectar-feeding species. In addition, histological images of the ventro-apical portion of the tongue displayed that it houses an encapsulated structure, but only in Lemur catta case such structure presents cartilage inside. The presence of an encapsulated structure, coupled with the shared morphological traits associated with the sublingua and the tongue tip in Varecia variegata and Eulemur macaco, point to possible feeding adaptations that facilitate non-destructive flower feeding in these two lemurids.MDPI2021info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/225362Articles publicats en revistes (Cirurgia i Especialitats Medicoquirúrgiques)reponame:Dipòsit Digital de la UBinstname:Universidad de Oviedo (UNIOVI)InglésReproducció del document publicat a: https://doi.org/10.3390/ani11102811Animals, 2021, vol. 11, num.10https://doi.org/10.3390/ani11102811cc-by (c) Pastor, J.F. et al., 2021http://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/2253622026-05-27T06:46:51Z
dc.title.none.fl_str_mv The tongue in three species of lemurs: flower and nectar feeding adaptations.
title The tongue in three species of lemurs: flower and nectar feeding adaptations.
spellingShingle The tongue in three species of lemurs: flower and nectar feeding adaptations.
Pastor, Juan Francisco
Anatomia
Primats
Lèmurs
Anatomy
Primates
Lemur (Genus)
title_short The tongue in three species of lemurs: flower and nectar feeding adaptations.
title_full The tongue in three species of lemurs: flower and nectar feeding adaptations.
title_fullStr The tongue in three species of lemurs: flower and nectar feeding adaptations.
title_full_unstemmed The tongue in three species of lemurs: flower and nectar feeding adaptations.
title_sort The tongue in three species of lemurs: flower and nectar feeding adaptations.
dc.creator.none.fl_str_mv Pastor, Juan Francisco
Muchlinski, Magdalena Natali
Potau Ginés, Josep Maria
Casado, Aroa
García-Mesa, Yolanda
Vega, José Antonio
Cabo, Roberto
author Pastor, Juan Francisco
author_facet Pastor, Juan Francisco
Muchlinski, Magdalena Natali
Potau Ginés, Josep Maria
Casado, Aroa
García-Mesa, Yolanda
Vega, José Antonio
Cabo, Roberto
author_role author
author2 Muchlinski, Magdalena Natali
Potau Ginés, Josep Maria
Casado, Aroa
García-Mesa, Yolanda
Vega, José Antonio
Cabo, Roberto
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Anatomia
Primats
Lèmurs
Anatomy
Primates
Lemur (Genus)
topic Anatomia
Primats
Lèmurs
Anatomy
Primates
Lemur (Genus)
description The mobility of the primate tongue allows for the manipulation of food, but, in addition, houses both general sensory afferents and special sensory end organs. Taste buds can be found across the tongue, but the ones found within the fungiform papillae on the anterior two thirds of the tongue are the first gustatory structures to come into contact with food, and are critical in making food ingestion decisions. Comparative studies of both the macro and micro anatomy in primates are sparse and incomplete, yet there is evidence that gustatory adaptation exists in several primate taxa. One is the distally feathered tongues observed in non-destructive nectar feeders, such as Eulemur rubriventer. We compare both the macro and micro anatomy of three lemurid species who died of natural causes in captivity. We included the following two non-destructive nectar feeders: Varecia variegata and Eulemur macaco, and the following destructive flower feeder: Lemur catta. Strepsirrhines and tarsiers are unique among primates, because they possess a sublingua, which is an anatomical structure that is located below the tongue. We include a microanatomical description of both the tongue and sublingua, which were accomplished using hematoxylin-eosin and Masson trichrome stains, and scanning electron microscopy. We found differences in the size, shape, and distribution of fungiform papillae, and differences in the morphology of conical papillae surrounding the circumvallate ones in all three species. Most notably, large distinct papillae were present at the tip of the tongue in nectar-feeding species. In addition, histological images of the ventro-apical portion of the tongue displayed that it houses an encapsulated structure, but only in Lemur catta case such structure presents cartilage inside. The presence of an encapsulated structure, coupled with the shared morphological traits associated with the sublingua and the tongue tip in Varecia variegata and Eulemur macaco, point to possible feeding adaptations that facilitate non-destructive flower feeding in these two lemurids.
publishDate 2021
dc.date.none.fl_str_mv 2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/225362
url https://hdl.handle.net/2445/225362
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.3390/ani11102811
Animals, 2021, vol. 11, num.10
https://doi.org/10.3390/ani11102811
dc.rights.none.fl_str_mv cc-by (c) Pastor, J.F. et al., 2021
http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv cc-by (c) Pastor, J.F. et al., 2021
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv Articles publicats en revistes (Cirurgia i Especialitats Medicoquirúrgiques)
reponame:Dipòsit Digital de la UB
instname:Universidad de Oviedo (UNIOVI)
instname_str Universidad de Oviedo (UNIOVI)
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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