(n.) A voracious ganoid fish (Amia calva) found in the fresh waters of the United States; the mudfish; -- called also Johnny Grindle, and dogfish.
Example Sentences:
(1) The kidney of the bowfin possesses an abundant supply of renal corpuscles with each consisting of a glomerulus and a Bowman's capsule of visceral (podocyte) and parietal layers.
(2) Undecussated ipsilateral retinal projections, as present in the bowfin, are a widely distributed character in vertebrates and appear to be plesiomorphic for vertebrates.
(3) Amino acid metabolism was examined in mitochondria from the lateral red muscle of a teleost (lake char, Salvelinus namaycush) and a nonteleost fish (bowfin, Amia calva).
(4) Intracellular recordings were obtained from biphasic- and triphasic-type horizontal cells (C cells) in the retina of the bowfin.
(5) Yellow corpuscles from the ventral surface of the anterior kidney in bowfins (Amia calva L.) converted [7-3H]pregnenolone to radioactive 11-deoxycortisol, cortisol, and corticosterone in vitro.
(6) A new technique is presented for determining the volume of extracellular space in bowfin (Amia calva) brain during in vitro incubation.
(7) The posterior pretectal nucleus is relatively small in the bowfin, and the distribution of a small, versus a large, posterior pretectal nucleus in Teleostei and Halecomorphi suggests that this nucleus was small plesiomorphically.
(8) Homologous peptides belonging to the pancreatic polypeptide (PP) family were isolated from the pancreas of a teleostean fish, the American eel (Anguilla rostrata), an holostean fish, the bowfin (Amia calva) and an elasmobranch fish, the skate (Raja rhina), and their primary structures were determined.
(9) The rate of glutamine oxidation by bowfin mitochondria exceeds that of lake char mitochondria, and the bowfin displays correspondingly higher levels of mitochondrial phosphate-dependent glutaminase.
(10) The nephron of adult bowfin, Amia calva, was described using light and electron microscopic techniques.
(11) The findings in bowfin and other species suggest that both feedback and direct pathways shape the depolarizing response of C cells.
(12) The primary structure of insulin from a holostean fish, the bowfin (Amia calva), was established as: A-chain: Gly-Ile-Val-Glu-Gln-Cys-Cys-Leu-Lys-Pro-Cys-Thr-Ile-Tyr-Glu-Met-Glu- Lys-Tyr-Cys-Asn B-chain: Ala-Ala-Ser-Gln-His-Leu-Cys-Gly-Ser-His-Leu-Val-Glu-Ala-Leu-Phe-Leu- Val-Cys-Gly-Glu-Ser-Gly-Phe-Phe-Tyr-Asn-Pro-Asn-Lys-Ser This amino acid sequence contains several substitutions (methionine at A16, phenylalanine at B16 and serine at B22) at sites that have been strongly conserved in other vertebrate species and that may be expected to influence biological activity.
(13) To assess the role of triiodothyronine (T3) in mediating short-term changes in metabolism, such as those occurring in circadian patterns, we examined the effects of intraperitoneal injection of T3 on the oxidation of substrates by isolated mitochondria from liver of the bowfin, Amia calva, and red muscle and liver of the lake char, Salvelinus namaycush.
(14) Blood from the primitive holostean fish, the bowfin, Amia calva, contains 2 mo of ATP per mol of hemoglobin.
(15) The pattern of retinofugal projections in the bowfin is similar to that in other non-teleost actinopterygian fishes and in teleosts in most regards.
(16) Activity of sulfated CCK8 in bowfin, a holostean fish, suggests sensitivity of gallbladder to CCK-related intestinal hormones may be a general feature of osteichthyeans.
(17) Three hours after intraperitoneal injection of T3, oxidation of some substrates by mitochondria isolated from the liver of the bowfin was reduced.
(18) The retinofugal projections in the bowfin, a non-teleost actinopterygian, were studied by autoradiographic and horseradish peroxidase methods, and the cytoarchitecture of retinorecipient regions of the diencephalon was analyzed with serially sectioned, Bodian stained material.
(19) In the bowfin CCK immunostained cells were detected only in the anterior and mid-intestine; the stomach and the rest of the gastrointestinal tract were negative.
(20) The effect of hypophysectomy on chloride balance was examined in young-of-the-year bowfin, Amia calva.
Ganoid
Definition:
(a.) Of or pertaining to Ganoidei. -- n. One of the Ganoidei.
Example Sentences:
(1) In order to understand the process of ganoine formation on the ganoid scales, scale regeneration has been studied to overcome the lack of a growth series of scale ontogeny.
(2) Presumably, high heterogeneity of serum proteins in the ganoids (practically comparable to that in higher vertebrates and man) is necessary for successful work of the most important biochemical system of the blood at all stages of evolutionary development of vertebrates, being of rather ancient origin.
(3) Belozerski and his coworkers [26, 27], based on a detailed study of fish DNA nucleotides, that the Ganoid fish are to be regarded as an independent class.
(4) Oxyntomodulin, glucagon, and a glucagon-like peptide (GLP) have been isolated from the endocrine pancreas of the alligator gar (Lepisosteus spatula), a ganoid fish.
(5) The existence of marrow tissue in cartilaginous ganoid fish, before the evolutionary development of bone, implies that the marrow and bone are two independent organs, developed separately and merged together by evolutionary pressure.
(6) The results show 1) that the young ganoid scales of Polypterus senegalus have a structure similar to that of typical elasmoid scales; and 2) that the isopedin structure does not change during ontogeny and so represents a permanent record of the first ontogenetic stages.
(7) The vascularization of the telencephalic choroid plexus of the sterlet Acipenser ruthenus, a ganoid fish, was examined by vascular corrosion casting and by light and transmission electron microscopy.
(8) Seven stages of ganoid scale regeneration have been defined over a period of five months in the polypterid fish Calamoichthys calabaricus.
(9) The described high heterogeneity of serum proteins in the ganoid fishes is particularly interesting from the standpoint of evolution of fractional composition of proteins in vertebrates.
(10) Such components are also observed in ganoid scales, although embryological data fail to support that lepidotrichial segments are modified scales.
(11) Insulin and a 36-residue peptide with homology to pancreatic polypeptide (PP) were isolated from the endocrine pancreas of the alligator gar (Lepisosteus spatula), a ganoid fish, by gel filtration and HPLC.