The Spermatophores of Triturus Torosus and Triturus Rivularis
نویسندگان
چکیده
منابع مشابه
Evaluation of the automatic ELISA Triturus analyser
The objective was to evaluate the automatic ELISA Triturus analyser in order to assess its practicability and imprecision. The analyser was evaluated according to the guidelines of the Spanish Society of Clinical Chemistry. The evaluation was performed in two steps: evaluation of the imprecision and the inaccuracy of a semiquantitative and qualitative technique, and study of the practicability....
متن کاملDigit regeneration in the amphibian--Triturus cristatus.
Digit regeneration has been examined in Triturus cristatus. Because of their size, blastemas that form after digit amputation are relatively a lot more suitable for quantitative studies that involve for example the counting of cells in histological sections. They are also very useful for the study of some basic histological aspects of regeneration particularly cartilage formation. This has been...
متن کاملThe Life of the Smooth Newt (Triturus vulgaris) after Metamorphosis
After metamorphosis. smooth or common newts (Tritltrus vulgtzris vltlgaris [Linn]) disperse on land. where they live a s juveniles before returning to the water as breeding adults. The population age-structure was obtained by dissecting the standard length frequency distribution. a procedure which is justified in the text. Juveniles have an uncomplicated age-structure, the nurnber of individual...
متن کاملNeoteny with Goitre in Triturus helveticus
A population of newts from a pond near Crail, Fife, was found to contain neotenic and goitrous specimens of Triturus helveticus in 1951 and 1952 but not in 1953 and 1954. This is a unique record of goitre among amphibians. The thyroid glands of normal adult and neotenic non-goitrous T. helveticus are paired spheroidal or ellipsoidal bodies whose longest dimension varies between 300 and 700 fi. ...
متن کاملThe sexual behaviour of the pygmy newt, Triturus pygmaeus
The courtship behaviour of pygmy newts, Triturus pygmaeus, consists of three phases: orientation, static display (often not clearly differentiated from each other) and spermatophore transfer. The repertoire of male sexual behaviour consists of nine different movements. Exhibition, an alert posture in which the male advances with small jumps around the female, is the most frequent behaviour. The...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1941
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.27.6.261