112 Result(s)

Article

M. Reille: Pollen et spores d'europe et d'afrique du nord

Helena Svobodová in Folia Geobotanica (1997)

Article

J. Semal (red.) Traité de Pathologie Végétale

Antonín Příhoda in Folia geobotanica & phytotaxonomica (1991)

Article

Étude de l'activité de la protocollagène proline hydroxylase de foie d'embryon de Poulet en fonction de l'âge

In chick embryo liver, there was a peak activity of protocollagen proline hydroxylase (PPH) on the 18th day of the embryonnic state. The effect of triton X100 suggested that PPH was a particulate enzyme, in co...

Geneviève Helfre, J. Farjanel, Juliette Fonvielle, J. Frey in Experientia (1974)

Article

Étude de l'effet hyperlipémiant de l'adrénaline chez la truite arc-en-ciel d'élevage (Salmo gairdnerii Richardson)

Plasmatic levels of total proteins, total lipids, phospholipids, triglycerides, free cholesterol and cholesterol esters, were measured in rainbow trout (Salmo gairdnerii Rich) after adrenaline administration and ...

C. Perrier, H. Perrier, J. Gras in Experientia (1973)

Article

Dispositif à faible inertie pour l'enregistrement des mouvements respiratoires des poissons

Technical simplicity, sensitivity, low inertia and free motion of the fish are the advantages of the apparatus for the study and the recording of the respiratory movements mechanism of the fish. The luminous v...

J. C. Murat, M. P. Gire in Experientia (1971)

Article

Action de l'Halopéridol sur le métabolisme oxydatif de la dopamine dans le noyau caudé du rat

The action of Haloperidol on the content of dopamine and 3–4 dihydroxyphenylacetic acid (DOPAC) in the rat caudate nucleus has been examined. At doses which inhibit self-stimulation behaviour, dopamine remains...

J. Gérardy, A. Dresse in Experientia (1971)

Article

Taux d'amines cérébrales d'une souche de souris «tremblantes»

In the ‘quaking’ mouse, an autosomal recessive mutant characterized by a deficiency of central nervous system myelin, the brain levels of 5-hydroxy-tryptamine and histamine are unchanged and the brain levels o...

J. P. Tillement, M. C. Debarle, P. Simon, J. R. Boissier in Experientia (1971)

Article

Sur une petite modification technique permettant une meilleure survie des artères de l'embryon de poulet explantées in vitro

The mesenteric artery of chicken embryo, cultivated in vitro in an abundant gas atmosphere (normal air) does not show the marked signs of cellular distress that appear when the artery is cultivated in the usua...

B. Cappelli-Gotzos, V. Gotzos, G. Conti in Experientia (1970)

Article

Déclenchement de la soif hyperosmolaire chez le rat et le mérion

Osmotic arousal of thirst was studied in rats by measuring additional water intake for 2 h after i.v. infection of hyperosmolar solutions. NaCl and Mannitol induced a rapid and large water intake; urea and fru...

Lisette Haefeli, G. Peters in Experientia (1969)

Article

Modifications ioniques chez l'Anguille argentée: influence de la vagotomie et de la surcharge sodique

The bilateral section of parasympathetic system in silver eel induces an increase of Na⁺ and K⁺ excretion without changes of Na/K value. This is observed both in tap or salt water treated subjects. It is suggeste...

J. Péquignot, A. Serfaty, N. Gas in Experientia (1969)

Article

Action anti-hypertensive du polythiazide

Polythiazide, like other thiazides, has an anti-hypertensive action in rats with DOCA hypertension but not with arterial hypertension produced by narrowing one renal artery.

B. Delbarre, G. Dumas in Experientia (1969)

Article

Sur le comportement d'une artère de type élastique (a. anonyme) et d'une artère de type musculaire (a. carotide) de l'embryon de poulet en culture organo-typique

The authors have explanted elastic arteries (innominate) and muscular arteries (carotid) from chick embryos. The arteries have been kept from 1–8 days in vitro. Results: (a) the elastic arteries have a medium ...

G. Conti, B. Cappelli, J. P. Musy in Experientia (1968)

Article

Sur le comportement des vaisseaux artériels de la base du cœur de l'embryon de poulet en culture organo-typique

The authors studied the arteries of the heart of chick embryos (aorta, anonyma and pulmonary arteries). They describe: (a) the morphogenesis of these arteries; (b) the ability of these arteries to survive and ...

G. Conti, B. Cappelli, J. P. Musy in Experientia (1968)

Article

Variations de salinité et osmorégulation chez la Tanche (Tinca tinca L.): Effet de la vagotomie sur l'excrétion des cations (Na⁺ et K⁺)

The excretion of Na⁺ by the Tench decreases after the bilateral section of parasympathetic system; this is observed both in normal and salt water treated subjects. This mechanism induces the increase of Na⁺ conce...

J. Pequignot, A. Serfaty in Experientia (1968)

Article

Etude de la répartition de l'inositol dans le cortex et le noyau de cristallin de Veau

In the lens cortex, as well as in the nucleus, inositol is found in 3 forms. The free form, which is acidosoluble, represents 99% of the total inositol. The combined forms, liberated after acidic hydrolysis of...

F. Klein in Experientia (1967)

Article

Observations effectuées sur une race de rats cataracteux induite par les rayons X

The hereditary cataract induced by X-irradiation of a female rat during infancy appears to be different from the spontaneous hereditary cataracts previously described in the rat. No significant difference was ...

A. Léonard, J. R. Maisin, Gh. Deknudt in Experientia (1966)

Article

Sur les effets du 5-fluoruracile injecté à l'embryon de poulet

5-FU, injected into the chick embryo in the early stages of development, has revealed three principal effects: an immediate lethal effect, a later lethal effect, and a specific teratogenic action.

G. Conti, M. Aita in Experientia (1965)

Article

Une forme de goître héréditaire chez le batracienXenopus laevis D.

A hyperplastic hereditary goitre, related to a delay of metamorphosis, was found in a female frog of the speciesXenopus laevis. The expression of the trait seems to depend on external conditions.

Verena Uehlinger in Experientia (1965)

Article

Fucosidases du suc digestif d'Helix pomatia

Theβ-d-fucosidase and α-l-fucosidase activities of digestive juice ofHelix pomatia have been studied.β-d-fucosidase can be separated fromβ-d-galactosidase by heat inactivation.

Annette Marnay, R. Got, P. Jarrige in Experientia (1964)

Article

Modification de l'Activité Polarographique des Protéines Cytoplasmatiques sous l'Action des Radiations Ionisantes

L. M. Buruiana in The Science of Nature (1964)