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Thursday, November 19, 2020 | History

3 edition of sensory lines and dermal bones of the cheek in fishes and amphibians. found in the catalog.

sensory lines and dermal bones of the cheek in fishes and amphibians.

Erik Andersson Stensiö

sensory lines and dermal bones of the cheek in fishes and amphibians.

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Published by Almqvist & Wiksells boktr in Stockholm .
Written in English

    Subjects:
  • Fishes -- Anatomy,
  • Amphibians -- Anatomy

  • Edition Notes

    SeriesKungl. Svenska vetenskaps-akademiens handlingar, 3. ser., bd. 24, n: o 3
    Classifications
    LC ClassificationsQL639 S74
    The Physical Object
    Pagination195p.
    Number of Pages195
    ID Numbers
    Open LibraryOL16811592M

    ON THE BIOLOGY OF COSMINE KEITH STEWART THOMSON ABSTRACT Cosmine is a unique combination of dentine, enameloid and, at least in the functional sense, some true bone, with the pore-canal sensory system, and is found only in certain early fishes. The biology of . The skull of fishes is formed from a series of only loosely connected bones. Lampreys and sharks only possess a cartilaginous endocranium, with both the upper and lower jaws being separate elements. Bony fishes have additional dermal bone, forming a more or less coherent skull roof in lungfish and holost fish. The lower jaw defines a chin. Tattooing has a long history, dating back thousands of years ago. The dyes used in tattooing typically derive from metals. A person with tattoos should be cautious when having a magnetic resonance imaging (MRI) scan because an MRI machine uses powerful magnets to create images of the soft tissues of the body, which could react with the metals contained in the tattoo dyes.


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sensory lines and dermal bones of the cheek in fishes and amphibians. by Erik Andersson Stensiö Download PDF EPUB FB2

Additional Physical Format: Online version: Stensiö, Erik Andersson, Sensory lines and dermal bones in the cheek in fishes and amphibians.

The Sensory Lines and Dermal Bones of the Cheek in Fishes And Amphibians [E A:S Stensio] on *FREE* shipping on qualifying : E A:S Stensio. Buy The sensory lines and dermal bones in the cheek in fishes and amphibians (Svenska vetenskapsakademien, Stockholm.

Handlingar, 3. ser) by Stensiö, Erik Andersson (ISBN:) from Amazon's Book Store. Everyday low prices and free delivery on eligible : Erik Andersson Stensiö.

some remarks on the ontogenetical development of the sensory lines on the cheek in fishes and amphibians. nils holmgren; torsten pehrson; acta zoologica; the early ontogeny of the sensory lines and the dermal skull in polypterus1 some observations on the development and morphology of the dermal bones in the skull of acipenser and polyodon.

Development of dermal bones related to sensory canals of the head in the fishes Ophicephalus punctatus Bloch (Ophicephalidae) and Wallago attu B1. & Schn. (Siluridae) Some remarks on the ontogenetical development of the sensory lines on the cheek in fishes and amphibians.

The sensory lines and dermal bones of the cheek in fishes and Cited by: The sensory line system and the canal bones in the head of some Ostariophysi, Acta Zool.

(Stockh.), Article in Acta Zoologica 30(1‐2):1 - April with 38 ReadsAuthor: BERTIL LEKANDER. On the dermal bones, sensory canals and pitlines of the skull in Eusthenopteron foordi Whiteaves, with some remarks on E with remarks on the terminology of the lateral line system and on the dermal bones in certain other crossopterygians.

The sensory lines and dermal bones of the cheek in fishes and by:   Morphologische untersuchungen an einer höhlenform von Mollienesia sphenops (Pisces, Stensiö, E. A.: The sensory lines and dermal bones of the cheek in fishes and amphibians.

Kgl. svenska Vet.-Akad. Handl. Morphologische untersuchungen an einer höhlenform von Mollienesia sphenops (Pisces, Cited by: They are found in cyclostomes, fishes, larval amphibians, aquatic adult urodele amphibians and some aquatic anurans including the South African clawed toad, Xenopus laevis.

In frogs, as in all anuran amphibians, in which the adults have a mainly terrestrial existence, the lateral line system which is present in the larvae, is lost at by: (g) All amphibians possess well-developed vascular system, a new scheme for the development of lungs, i.e., introduction of pul­monary circuit.

This has caused tremendous change in the structure of the heart and the circulatory system as a whole. (h) Development of a middle ear cavity with a bone to transmit the vibrations from tympanum to.

their dermal bone covering head and scales that probably accommodated electroreceptor organs and their innervation. It is the rhipidistians that, according to most authors, gave rise to the modern amphibians (Carroll).

Of the three living orders of amphibians, the salamanders (Urodela) are electroreceptive; this isFile Size: 6MB. The sensory lines and dermal bones of the cheek in fishes and amphibians: Sinamia Zdanskyi, a new amiid from the lower cretaceous of Shantung, China: With 17 plates and 20 fig.

in the text: Triassic fishes from East Greenland: collected by the Danish expeditions in Triassic fishes. The Development of Latero-sensory Canal Bones in the Skull of Esox lucius association of dermal bones to lateral line canals came to contradictory conclusions (Hall and Hanken, ), the.

Class Actinopterygii (ray-finned fishes) Fins supported by rays of dermal bone rather than by cartilage. A group of jawed fishes so diverse that no single definition for them can be derived; better understood by determining the distinctive characters of the primitive members and then tracing their various lines of evolution.

Primitive. Bobasatrania is an extinct genus of prehistoric bony fish that survived the Permian-Triassic extinction Stensiö, E. The sensory Lines and dermal Bones of the Cheek in Fishes and Amphibians. Stockholm, Kungl. Vet. Basal ray-finned fishes (Osteichthyes; Actinopterygii) from the Middle Triassic of Monte San Giorgio (Canton Kingdom: Animalia.

Crossopterygians have well developed sensory line systems, visible as a series of pores and pit-line canals on the dermal bones and scales.

The coelacanth Latimeria chalumnae is the only known living crossopterygian fish. They have been filmed in the natural habitat, between and m down in the Indian Ocean.

The skin of Amphibians consists of stratified epidermis and dermis containing mucous glands, serous glands and pigmentation cells.

Considering them phylogenetically they are transitional between aquatic and terrestrial vertebrates. The earliest amphibians were covered with dermal bone scales like their fish.

It eats the contents of its body. They leave only skin and bones of victim fish. Anglers must be careful about hagfishes. Hagfishes bite at a baited hook. Hagfishes swallow the hook deeply. The hook is lodged near the anus. Hag fishes have slimy bodies. Therefore, fishermen cannot capture it.

Al last he has to cut his lines and tie on a new hook. dermatocranium is the dermal bone that is believed to be derived from the external armor of primitive fish.

This bone contributes to the brain case and the jaws. General Embryological Development of the Skull basic bones and sensory capsules. Cartilaginous fishes - retain a cartilaginous neurocranium (or. Examples of amphibian in a sentence, how to use it.

examples: I begin with the so-called lower vertebrates - the classes that evolved earlier. Comparative Anatomy: Skull.

STUDY. PLAY. List the possible composition of the skull. Cartilage, dermal bone, and/or endochondral bone List the dermal bones within the cheek series of the primitive tetrapod dermatocranium.

runs from zygomaticus-frontal joint up through the frontal bone then back through anterior portion of the parietal. Clavicle, cleithrum, supracleithrum Figure Pectoral girdle phylogenetic lines. Dermal bones are red. Reduction in number of bones through evolution.

Shark- only cartilagenous components Alligator- retains only replacement bone elements, no dermal bone Mammals (a) Scapula of replacement bone Clavicle of membrane bone (b) Birds- two.

Comparative Vertebrate Anatomy Test 3. STUDY. PLAY. CHAPTER 5. LIFE HISTORY. 2 parts of the coelom for fish, amphibians, and most reptiles. anterior pericardial cavity (heart) 2. posterior pleuroperitoneal cavity (other organs) - comes from dermal bones (intramembranous formation WITHOUT a cartilage intermediary).

The lateral-line system is an extensive network of superficial sensory nerves in teleosts, lampreys, elasmobranchs and larval amphibians. Multiple lateral lines on the head follow the sutures of dermal bones, or vice versa.

Usually only a single mid-body lateral line is present on the trunk. Returning to fish, we next move to Hadronector and the contentious issues of sensory lines and the organization of the dermal bones of the actinistian skull table. Admittedly, we do not actually make an attempt to summarize the composition of the skull until we arrive at.

THE DEVELOPMENT OF DERMAL BONES IN THE SKULL OF AMIA CALVA THE DEVELOPMENT OF DERMAL BONES IN THE SKULL OF AMIA CALVA PEHRSON, TORSTEN (With j o figures in the text.) INTRODUCTION In my paper on the cranial development of Teleostomian fishes () I had the opportunity of showing that the dermal bones in Amia calva, related to sensory.

Reptilian skin is covered with scales forming armor that makes it watertight and enables reptiles to live on land in contrast to amphibians. An important part of the skin is the horny epidermis, with thick stratum corneum in which waxes are arranged in membrane-like layers.

In lizards and snakes, the whole skin is covered in overlapping epidermal scales and in turtles and crocodiles in dermal Author: Catrin Sian.

Rutland, Pia. Cigler, Valentina. Kubale Dvojmoč. The skull is a bony structure that forms the head in supports the structures of the face and provides a protective cavity for the brain.

The skull is composed of two parts: the cranium and the humans, these two parts are the neurocranium and the viscerocranium or facial skeleton that includes the mandible as its largest skull forms the anterior most portion MeSH: D C.

Coelomic changes in fishes, amphibians, reptiles, and birds 1. In fishes 2. In amphibians, reptiles, and birds D. Formation of the coelomic cavities in mammals 1. Formation of the pleuropericardial membrane 2. Development of the pleuroperitoneal membrane E.

Development of. differ completely in the dermal bone pattern, with totally different nomenclature being applied to each case (Denison, ; Jarvik, a; Young,). For example, placoderms have fewer bones in the cheek and gill cover, and have no equivalent of infraorbital or supra-orbital series of dermal bones (Janvier, b).

AlthoughCited by: 3. The main bone associated with hearing in modern amphibians and reptiles, the stapes, is present in early tetrapods (Figure ), but it is too massive to be effective in hearing high-frequency stapes is a modified version of the hyomandibular element, which forms part of the jaw-hinging apparatus in most fishes (see p).

LATERAL LINE, NEUROMASTS AND DERMAL BONE. The lateral-line system is an extensive network of superficial sensory nerves in teleosts, lampreys, elasmobranchs and larval amphibians. Multiple lateral lines on the head tend to follow the sutures of dermal bones, or vice versa.

Usually only a single lateral line is found on the trunk. The class Amphibia belongs to the subphylum Vertebrata of phylum chordata. All the representatives of Clssa Amphibia are ectothermic, tetrapod vertebrate animals which inhabit a wide variety of habitats including terrestrial, arboreal, fossorial, or freshwater aquatic ecosystems.

The name amphibian is derived from Greek word "amphibious" which means “living a double life”. What a Fish Knows: The Inner Lives of Our Underwater Cousins, by Jonathan Balcombe is first and foremost, an incredible assortment of fish facts.

Secondly, it is a book. Secondly, it is a book. This is not to diminish it as a book - the incredible insight from the first gives it its power/5. ADVERTISEMENTS: In this article we will discuss about: 1. Habit and Habitat of Amphibians 2. Origin of Amphibians 3. General Characters 4. Classification Scheme.

Habit and Habitat of Amphibians: Amphibians are cold blooded verte­brates having a smooth or rough, naked skin, rich in glands, which keep it moist, if scales are present, it is hidden [ ].

The dermatocranium of bony fishes includes five dermal bone groups. They are the cranial roof group, the upper jaw group, the lower jaw group, the primary palatal group, and the opercular group. The opercular group is only present in bony fish, but the other dermatocranial bones persist in.

Osteichthyes (/ ˌ ɒ s t i ˈ ɪ k θ i iː z /), popularly referred to as the bony fish, is a diverse taxonomic group of fish that have skeletons primarily composed of bone tissue, as opposed to vast majority of fish are members of Osteichthyes, which is an extremely diverse and abundant group consisting of 45 orders, and over families : Teleostomi.

Two Types A. Invertebrate type epidermis plus basement membrane pnotochordat 1 The Integument 2 A. Dermal armor 1. Dermal bone - Ostracoderms 2.

Cosmoid scale of primitive of fishes, amphibians, and reptiles. The darkening occurs as granules of melanin spread. Evolutionary Evidence• Hagfish are the most primitive living craniates.• 2 Key craniate characteristics is: the brain and bone• million years ago possible fossil with brain• million years ago bone well developed in group of fishes called Ostracoderms (bony armor) The first vertebrates were fishlike animals that appeared more.

The gular is defined in Fishbase as a "median, dermal bone between the dentary bones of some primitive fishes (e.g. Latimeria and Elops)." As has been our general rule with bones with this kind of phylogenetic distribution, we will define the Standard Condition with reference to Cheirolepis.

5. Although they are jawless, hagfish have two rows of tooth-like structures made of keratin that they use to burrow deep into carcasses. They can also bite off chunks of food. While eating.In anthracosaurs, the braincase and otic capsule became more attached to dermal bones of skull.

The length of the snout increased in amphibians (Kemp,p. 18). The early amphibians decreased the number of bones in the face and the face increased in length (Carroll).The dermatocranium, or dermal skeleton, includes a pectoral girdle joined to skull and an operculum that covers the gills.

Each major taxa has its own pattern of dermal bones. Describe the head of amphibians. The heads of ancestral amphibians had nearly a full complement of replacement bones with only the supraoccipital missing.