![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,
![Air Sac Bird Respiratory System Breathing Gill, PNG, 1390x949px, Watercolor, Cartoon, Flower, Frame, Heart Download Free Air Sac Bird Respiratory System Breathing Gill, PNG, 1390x949px, Watercolor, Cartoon, Flower, Frame, Heart Download Free](https://img.favpng.com/10/13/15/air-sac-bird-respiratory-system-breathing-gill-png-favpng-gt5eQswQjQLUbrQdV1Ky674Cq.jpg)
Air Sac Bird Respiratory System Breathing Gill, PNG, 1390x949px, Watercolor, Cartoon, Flower, Frame, Heart Download Free
![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
![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
![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
![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
![Sinergasilus lieni females without eye sacs attach to the proliferated... | Download Scientific Diagram Sinergasilus lieni females without eye sacs attach to the proliferated... | Download Scientific Diagram](https://www.researchgate.net/profile/Csaba-Szekely/publication/8585192/figure/fig1/AS:601760246796332@1520482231762/Sinergasilus-lieni-females-without-eye-sacs-attach-to-the-proliferated-and-fused-gill_Q640.jpg)
Sinergasilus lieni females without eye sacs attach to the proliferated... | Download Scientific Diagram
![10 Egg sacs and egg strings, light microscopy. A: ovigerous female of... | Download Scientific Diagram 10 Egg sacs and egg strings, light microscopy. A: ovigerous female of... | Download Scientific Diagram](https://www.researchgate.net/profile/R-Huys/publication/309211809/figure/fig8/AS:418608573370376@1476815469965/Egg-sacs-and-egg-strings-light-microscopy-A-ovigerous-female-of-Clausidium-sp_Q640.jpg)
10 Egg sacs and egg strings, light microscopy. A: ovigerous female of... | Download Scientific Diagram
![Roots, Shoots, Fruits & Flowers: Bird Droppings, Cuban Tree Frogs, Orange Egg Sacs & Strawberry Plants | The Jena Times Roots, Shoots, Fruits & Flowers: Bird Droppings, Cuban Tree Frogs, Orange Egg Sacs & Strawberry Plants | The Jena Times](https://www.thejenatimes.net/sites/thejenatimes.net/files/styles/article_420/public/88ea2c6e55_Ar02001047.jpg?itok=6OFhRkoL)
Roots, Shoots, Fruits & Flowers: Bird Droppings, Cuban Tree Frogs, Orange Egg Sacs & Strawberry Plants | The Jena Times
![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
![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.
![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)