![On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. CirculatiDg and respiratory organs, LepiUusin;li 313 314 Two gill-sacs, SdcUo- stoma. Two gill-sacs, Lamprey 313, m, to be split through its plane, On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. CirculatiDg and respiratory organs, LepiUusin;li 313 314 Two gill-sacs, SdcUo- stoma. Two gill-sacs, Lamprey 313, m, to be split through its plane,](https://c8.alamy.com/comp/PG2HW6/on-the-anatomy-of-vertebrates-vertebrates-anatomy-comparative-1866-circulatidg-and-respiratory-organs-lepiuusinli-313-314-two-gill-sacs-sdcuo-stoma-two-gill-sacs-lamprey-313-m-to-be-split-through-its-plane-and-each-half-to-be-glued-by-its-outer-smooth-side-to-an-intermediate-septum-which-would-then-support-the-opposite-halves-of-two-distinct-sacs-and-expose-their-vascular-mucous-surface-to-view-if-the-septum-be-attached-by-xx-vol-ii-p-39-prep-no-910-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readabi-PG2HW6.jpg)
On the anatomy of vertebrates. Vertebrates; Anatomy, Comparative; 1866. CirculatiDg and respiratory organs, LepiUusin;li 313 314 Two gill-sacs, SdcUo- stoma. Two gill-sacs, Lamprey 313, m, to be split through its plane,
![PDF] The multifunctional fish gill: dominant site of gas exchange, osmoregulation, acid-base regulation, and excretion of nitrogenous waste. | Semantic Scholar PDF] The multifunctional fish gill: dominant site of gas exchange, osmoregulation, acid-base regulation, and excretion of nitrogenous waste. | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/1f9efc33f4bee99f7fe183020e8e8d9b6aa123e6/20-Figure24-1.png)
PDF] The multifunctional fish gill: dominant site of gas exchange, osmoregulation, acid-base regulation, and excretion of nitrogenous waste. | Semantic Scholar
![21. Inner gill of Musculium securis showing primary (1), secondary (2),... | Download Scientific Diagram 21. Inner gill of Musculium securis showing primary (1), secondary (2),... | Download Scientific Diagram](https://www.researchgate.net/profile/Gerald-Mackie/publication/291344470/figure/fig21/AS:669568448073749@1536648966691/Inner-gill-of-Musculium-securis-showing-primary-1-secondary-2-and-tertiary-3.png)
21. Inner gill of Musculium securis showing primary (1), secondary (2),... | Download Scientific Diagram
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10 Egg sacs and egg strings, light microscopy. A: ovigerous female of... | Download Scientific Diagram
![Nudibranch - Goniobranchus coi [before Chromodoris coi]. The two pink sausage shaped structures by the gill are the eggs sacs of a parasitic copepod Stock Photo - Alamy Nudibranch - Goniobranchus coi [before Chromodoris coi]. The two pink sausage shaped structures by the gill are the eggs sacs of a parasitic copepod Stock Photo - Alamy](https://c8.alamy.com/comp/MMBT6M/nudibranch-goniobranchus-coi-before-chromodoris-coi-the-two-pink-sausage-shaped-structures-by-the-gill-are-the-eggs-sacs-of-a-parasitic-copepod-MMBT6M.jpg)
Nudibranch - Goniobranchus coi [before Chromodoris coi]. The two pink sausage shaped structures by the gill are the eggs sacs of a parasitic copepod Stock Photo - Alamy
![Air sac and gill vasotocin receptor gene expression in the air-breathing catfish Heteropneustes fossilis exposed to water and air deprivation conditions | SpringerLink Air sac and gill vasotocin receptor gene expression in the air-breathing catfish Heteropneustes fossilis exposed to water and air deprivation conditions | SpringerLink](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs10695-022-01058-4/MediaObjects/10695_2022_1058_Fig1_HTML.png)
Air sac and gill vasotocin receptor gene expression in the air-breathing catfish Heteropneustes fossilis exposed to water and air deprivation conditions | SpringerLink
![Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. GILLS 355 Fishes.—In the true Fishes the gills come into close relation with the visceral arches, and in Elasmobranchs they consist of closely approximated Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. GILLS 355 Fishes.—In the true Fishes the gills come into close relation with the visceral arches, and in Elasmobranchs they consist of closely approximated](https://c8.alamy.com/comp/REFBMT/comparative-anatomy-of-vertebrates-anatomy-comparative-vertebrates-gills-355-fishesin-the-true-fishes-the-gills-come-into-close-relation-with-the-visceral-arches-and-in-elasmobranchs-they-consist-of-closely-approximated-transverse-lamina-which-are-firmly-attached-to-both-sides-of-the-septa-extending-outwards-from-the-arches-and-separating-the-individual-gill-sacs-from-one-another-so-that-each-septum-bears-a-half-gill-or-hemibranch-on-both-its-anterior-and-posterior-surface-figs-261-a-and-262-a-gill-or-holobranch-fiu-261-dissection-of-the-head-from-the-dorsal-side-of-REFBMT.jpg)
Comparative anatomy of vertebrates. Anatomy, Comparative; Vertebrates. GILLS 355 Fishes.—In the true Fishes the gills come into close relation with the visceral arches, and in Elasmobranchs they consist of closely approximated
![Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. GILLS IN POSITION GILLS PULLED DOWN Fig. 109.—The gills and gill chamber of a lobster. Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. GILLS IN POSITION GILLS PULLED DOWN Fig. 109.—The gills and gill chamber of a lobster.](https://c8.alamy.com/comp/RCW5R1/elements-of-biology-with-special-reference-to-their-rle-in-the-lives-of-animals-biology-zoology-gills-in-position-gills-pulled-down-fig-109the-gills-and-gill-chamber-of-a-lobster-the-shield-that-covers-the-gill-chamber-has-been-cut-away-water-through-the-gill-chamber-in-some-of-the-members-of-the-class-arachnida-the-spiders-membranous-folds-in-sacs-arranged-like-zk-intestine-ovapy-heart-book-lung-spinning-glands-pulmonary-sac-fig-110a-diagrammatic-long-section-through-the-abdomen-of-a-spider-to-show-the-position-of-the-book-lungs-after-leukart-with-modifications-af-RCW5R1.jpg)
Elements of biology, with special reference to their rôle in the lives of animals. Biology; Zoology. GILLS IN POSITION GILLS PULLED DOWN Fig. 109.—The gills and gill chamber of a lobster.
![European Honey Bee (Apis Mellifera) with Pollen Sacs Flying Towards a Scentless Mayweed Flower, UK' Photographic Print - Fergus Gill | AllPosters.com European Honey Bee (Apis Mellifera) with Pollen Sacs Flying Towards a Scentless Mayweed Flower, UK' Photographic Print - Fergus Gill | AllPosters.com](https://imgc.allpostersimages.com/img/posters/european-honey-bee-apis-mellifera-with-pollen-sacs-flying-towards-a-scentless-mayweed-flower-uk_u-L-Q10O48I0.jpg?artHeight=550&artLifeStyle=55&artWidth=550&background=ffffff)
European Honey Bee (Apis Mellifera) with Pollen Sacs Flying Towards a Scentless Mayweed Flower, UK' Photographic Print - Fergus Gill | AllPosters.com
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Air Sac Bird Respiratory System Breathing Gill, PNG, 1390x949px, Watercolor, Cartoon, Flower, Frame, Heart Download Free
![Nudibranch - Goniobranchus coi [before Chromodoris coi]. The two pink sausage shaped structures by the gill are the eggs sacs of a parasitic copepod Stock Photo - Alamy Nudibranch - Goniobranchus coi [before Chromodoris coi]. The two pink sausage shaped structures by the gill are the eggs sacs of a parasitic copepod Stock Photo - Alamy](https://l450v.alamy.com/450v/pyt06p/nudibranch-goniobranchus-coi-before-chromodoris-coi-the-two-pink-sausage-shaped-structures-by-the-gill-are-the-eggs-sacs-of-a-parasitic-copepod-pyt06p.jpg)
Nudibranch - Goniobranchus coi [before Chromodoris coi]. The two pink sausage shaped structures by the gill are the eggs sacs of a parasitic copepod Stock Photo - Alamy
![sAC-dependent VHA translocation during localized alkalosis in isolated... | Download Scientific Diagram sAC-dependent VHA translocation during localized alkalosis in isolated... | Download Scientific Diagram](https://www.researchgate.net/profile/Martin-Tresguerres/publication/40696031/figure/fig6/AS:670470085029893@1536863933328/sAC-dependent-VHA-translocation-during-localized-alkalosis-in-isolated-gill-A_Q320.jpg)
sAC-dependent VHA translocation during localized alkalosis in isolated... | Download Scientific Diagram
![Expression patterns of Rhcg1 mRNA on the surface of the yolk sac and... | Download Scientific Diagram Expression patterns of Rhcg1 mRNA on the surface of the yolk sac and... | Download Scientific Diagram](https://www.researchgate.net/profile/Koichi-Kawakami/publication/6152466/figure/fig2/AS:667207931555849@1536086175484/Expression-patterns-of-Rhcg1-mRNA-on-the-surface-of-the-yolk-sac-and-gill-of-zebrafish.png)
Expression patterns of Rhcg1 mRNA on the surface of the yolk sac and... | Download Scientific Diagram
![British fresh water fishes. Fishes -- Great Britain. "Introduction. TJ^ISHES form the fourth class of vertebrate animals; they are provided either with gills -*- {branchice), or gill-sacs {iiiarsipobranc/nce), by means of British fresh water fishes. Fishes -- Great Britain. "Introduction. TJ^ISHES form the fourth class of vertebrate animals; they are provided either with gills -*- {branchice), or gill-sacs {iiiarsipobranc/nce), by means of](https://c8.alamy.com/comp/RH35K7/british-fresh-water-fishes-fishes-great-britain-quotintroduction-tjishes-form-the-fourth-class-of-vertebrate-animals-they-are-provided-either-with-gills-branchice-or-gill-sacs-iiiarsipobrancnce-by-means-of-which-they-are-enabled-to-breathe-the-air-contained-in-the-water-in-which-they-live-the-heart-which-consists-of-a-single-auricle-and-ventricle-is-present-in-almost-all-fish-except-in-the-sub-class-leptocardii-where-certain-pulsating-sinuses-perform-the-functions-of-a-heart-as-in-the-curious-little-marine-fish-the-lancelet-branchiostomi-lanccolatuui-the-limbs-in-RH35K7.jpg)