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Liver description in three neotropical anuran species: from anatomy to ultrastructure

期刊: ACTA ZOOLOGICA, 2022; 103 (3)

The liver is a well-defined organ regarding its functions; however, it may present morphological variations among species. Since anurans may be expose......

JIF:1.041

Comparative morphology and histochemistry of the uropygial gland of the endangered and endemic Hooded Grebe (Podiceps gallardoi, Podicipediformes)

期刊: ACTA ZOOLOGICA, 2022; 103 (1)

The Hooded Grebe is an endangered and endemic species of Podicipediformes of Argentina. Many aspects of this bird's biology are still unknown includin......

JIF:1.041

Taxonomic significance of vertebral column and caudal skeleton of clupeid fishes (Teleostei: Clupeiformes) of Iran

期刊: ACTA ZOOLOGICA, 2022; 103 (2)

Clupeiformes (generally known as herrings, shads and sardines) with a synapomorphy of recessus lateralis are globally distributed marine, freshwater a......

JIF:1.041

The hyolaryngeal apparatus of three species of Scinax (Scinaxinae: Hylidae: Anura) and comparison with other Hylidae species

期刊: ACTA ZOOLOGICA, 2022; 103 (1)

The hyolaryngeal apparatus includes the arytenoid, cricoid and hyoid cartilages, and varied sizes and shapes can be distinguished between species. Alt......

JIF:1.041

Reproductive performance of Macrobrachium acanthurus (Crustacea, Palaemonidae) females subjected to unilateral eyestalk ablation

期刊: ACTA ZOOLOGICA, 2022; 103 (3)

The present study investigated the effects of eyestalk ablation on the reproductive performance of females from the native caridean shrimp Macrobrachi......

JIF:1.041

Adult moulting and dimorphism in a new species of Sphenoderes (Kinorhyncha: Kentrorhagata)-Is the exception becoming the rule?

期刊: ACTA ZOOLOGICA, 2022; 103 (2)

Adult dimorphism (i.e. non-sexual dimorphism observed among sexually mature specimens) and the existence of two morphologically distinct adult stages ......

JIF:1.041

Structural and ultrastructural characters of the reproductive tract in females of the mint leaf beetle Chrysolina herbacea (Duftschmid 1825) (Coleoptera: Chrysomelidae)

期刊: ACTA ZOOLOGICA, 2022; 103 (3)

In this study, Chrysolina herbacea female reproductive system, differentiating stages of vitellogenesis, the egg chorion are examined with light and s......

JIF:1.041

Immunolocalization of Cell Adhesion Molecules during tail regeneration in the lizard Podarcis muralis indicates coordinated control of epithelial differentiation

期刊: ACTA ZOOLOGICA, 2022; 103 (4)

Immunolocalization of cell adhesion molecules during tail regeneration in the lizard Podarcis muralis indicates coordinated control of epithelial diff......

JIF:1.041

A redescription of the appendicular skeleton of Squalus acanthias (Elasmobranchii: Squaliformes: Squalidae)

期刊: ACTA ZOOLOGICA, 2022; 103 (4)

The anatomy of Squalus acanthias has been explored and investigated for the past 150 years. Despite being a relatively well-known species, some anatom......

JIF:1.041

Reproductive cycle, sexual maturity and longevity ofOdontophrynus americanus(Anura: Odontophrynidae) in South Brazil

期刊: ACTA ZOOLOGICA, 2022; 103 (1)

Studies on the reproductive biology and age of amphibians provide primary information about the life history and population demographic parameters of ......

JIF:1.041

Ovary structure and oogenesis in internally and externally fertilizing Osteoglossiformes (Teleostei:Osteoglossomorpha)

期刊: ACTA ZOOLOGICA, 2022; 103 (3)

In this study, we assessed the ovary structure and early oogenesis in representatives of Osteoglossomorpha, one of the most basal Teleostei groups. We......

JIF:1.041

Ultrastructure of the tongue in the African pygmy hedgehog (Atelerix albiventris), comparison within the family Erinaceidae

期刊: ACTA ZOOLOGICA, 2022; 103 (4)

The African pygmy hedgehog (Atelerix albiventris) is commonly considered as a pet animal, which makes it widely studied. This study focused on lingual......

JIF:1.041

Cranial morphology of the Stellate Sturgeon,Acipenser stellatusPallas 1771 (Acipenseriformes, Acipenseridae), with notes on the skulls of other sturgeons

期刊: ACTA ZOOLOGICA, 2022; 103 (1)

Extant members of Acipenseridae are generally classified in four genera:Scaphirhynchus,Pseudoscaphirhynchus,Husoand Acipenser, which is widely recogni......

JIF:1.041

Microstructure of the tongue surface and lingual glands of the Sulawesi bear cuscus, Ailurops ursinus (Marsupialia: Phalangeridae)-A light and scanning electron microscopic study

期刊: ACTA ZOOLOGICA, 2022; 103 (3)

This study aimed to evaluate the microstructure of the surface of the tongue and lingual glands of the vulnerable native Sulawesi bear Ailurops ursinu......

JIF:1.041

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