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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 in nuclei of leopard shark gill cells. (A) anti-dogfish sAC (dfsAC)... | Download Scientific Diagram sAC in nuclei of leopard shark gill cells. (A) anti-dogfish sAC (dfsAC)... | Download Scientific Diagram](https://www.researchgate.net/publication/312663196/figure/fig2/AS:466307675103235@1488187821945/sAC-in-nuclei-of-leopard-shark-gill-cells-A-anti-dogfish-sAC-dfsAC-antibodies_Q640.jpg)
sAC in nuclei of leopard shark gill cells. (A) anti-dogfish sAC (dfsAC)... | 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/MMBT6N/nudibranch-goniobranchus-coi-before-chromodoris-coi-the-two-pink-sausage-shaped-structures-by-the-gill-are-the-eggs-sacs-of-a-parasitic-copepod-MMBT6N.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
![The Cambridge natural history. Zoology. 330 FISHES iric. o.c. a.or which the first and last supply the anterior walls of the first pair of sacs and the posterior walls of the The Cambridge natural history. Zoology. 330 FISHES iric. o.c. a.or which the first and last supply the anterior walls of the first pair of sacs and the posterior walls of the](https://c8.alamy.com/comp/RDMB9Y/the-cambridge-natural-history-zoology-330-fishes-iric-oc-aor-which-the-first-and-last-supply-the-anterior-walls-of-the-first-pair-of-sacs-and-the-posterior-walls-of-the-last-pair-respectively-each-of-the-remaining-afferent-vessels-extends-into-an-interbranchial-septum-and-supplies-the-gill-lamellae-of-the-posterior-wall-of-one-sac-and-those-of-the-anterior-wall-of-the-next-sac-behind-the-corresponding-efferent-branchial-vessels-have-a-similar-distribution-and-unite-dors-ally-to-form-a-median-dorsal-aorta-beneath-the-base-of-the-skull-the-latter-vessel-divides-into-two-branches-wh-RDMB9Y.jpg)
The Cambridge natural history. Zoology. 330 FISHES iric. o.c. a.or which the first and last supply the anterior walls of the first pair of sacs and the posterior walls of the
![The Cambridge natural history. Zoology. RESPIRATORY ORGANS 289 being; but, when food is being swallowed, the pharyngeal con- strictor is relaxed and the internal apertures of the gill-sacs are closed by The Cambridge natural history. Zoology. RESPIRATORY ORGANS 289 being; but, when food is being swallowed, the pharyngeal con- strictor is relaxed and the internal apertures of the gill-sacs are closed by](https://c8.alamy.com/comp/RDMBDB/the-cambridge-natural-history-zoology-respiratory-organs-289-being-but-when-food-is-being-swallowed-the-pharyngeal-con-strictor-is-relaxed-and-the-internal-apertures-of-the-gill-sacs-are-closed-by-the-contraction-of-their-own-sphincter-muscles-in-addition-to-the-usual-respiratory-organs-it-is-probable-that-in-not-a-few-fishes-the-superficial-skin-may-share-with-the-gills-the-function-of-breathing-in-this-connexion-may-be-mentioned-fig-167embryos-of-the-electric-torpedo-torpedo-ocdlata-a-dorsal-view-b-ventral-view-of-a-slightly-younger-specimen-el-cloaca-elo-electric-RDMBDB.jpg)
The Cambridge natural history. Zoology. RESPIRATORY ORGANS 289 being; but, when food is being swallowed, the pharyngeal con- strictor is relaxed and the internal apertures of the gill-sacs are closed by
![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)
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
![Zoology for high schools and colleges. Zoology. Fig. 426.— Orihagoriscue odlongtts, young, natural Bize.—After Harting. Fig. 427.—JKflio- canthus PaUasii, half grown, natural size. — After Put- nam. CLASS rV.—PISCES. Aquatic Vertebrates Zoology for high schools and colleges. Zoology. Fig. 426.— Orihagoriscue odlongtts, young, natural Bize.—After Harting. Fig. 427.—JKflio- canthus PaUasii, half grown, natural size. — After Put- nam. CLASS rV.—PISCES. Aquatic Vertebrates](https://c8.alamy.com/comp/RE0F55/zoology-for-high-schools-and-colleges-zoology-fig-426-orihagoriscue-odlongtts-young-natural-bizeafter-harting-fig-427jkflio-canthus-pauasii-half-grown-natural-size-after-put-nam-class-rvpisces-aquatic-vertebrates-with-a-movable-lower-jaw-a-cartilaginous-or-osseous-skeleton-with-paired-and-unpaired-fins-supported-by-fin-rays-no-sternum-usually-covered-with-scales-breathing-by-gills-heart-with-a-single-ventricle-and-auricle-mostly-oviparous-subclass-i-masmobranchii-skeleton-cartilaginous-skull-without-membrane-bones-five-to-seven-pairs-of-gill-sacs-and-gi-RE0F55.jpg)
Zoology for high schools and colleges. Zoology. Fig. 426.— Orihagoriscue odlongtts, young, natural Bize.—After Harting. Fig. 427.—JKflio- canthus PaUasii, half grown, natural size. — After Put- nam. CLASS rV.—PISCES. Aquatic Vertebrates
![Text-book of zoology for schools and colleges. Zoology. ORDEKS OF FISHES. 217 vessels ramify (Fig. 106, B). Internally the sacs communi- cate with the cavity of the pharynx, by means of Text-book of zoology for schools and colleges. Zoology. ORDEKS OF FISHES. 217 vessels ramify (Fig. 106, B). Internally the sacs communi- cate with the cavity of the pharynx, by means of](https://c8.alamy.com/comp/RE0FP0/text-book-of-zoology-for-schools-and-colleges-zoology-ordeks-of-fishes-217-vessels-ramify-fig-106-b-internally-the-sacs-communi-cate-with-the-cavity-of-the-pharynx-by-means-of-a-common-respiratory-tube-into-which-they-all-open-it-follows-from-this-arrangement-that-the-gill-pouches-on-the-two-sides-of-the-neck-communicate-freely-with-one-another-through-the-phar-ynx-the-object-of-this-arrangement-is-to-obviate-the-ne-cessity-for-admitting-the-water-to-the-guls-through-the-mouth-fig-106a-lamproy-p0tromison-stowing-the-suckin-moutli-and-the-apertures-of-the-gill-sacs-b-RE0FP0.jpg)
Text-book of zoology for schools and colleges. Zoology. ORDEKS OF FISHES. 217 vessels ramify (Fig. 106, B). Internally the sacs communi- cate with the cavity of the pharynx, by means of
![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
![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
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