(a.) Having the lowest inferior segment of a pinna nearer the rachis than the lowest superior one; -- said of a mode of branching in ferns, and opposed to anadromous.
(a.) Living in fresh water, and going to the sea to spawn; -- opposed to anadromous, and said of the eel.
Example Sentences:
(1) Mortality of pelyad (Coregonus peled) caused by Tetraonchus alaskensis took place in winter 1973 in the Voikara and Syn rivers (the Ural tributaries of the Lower Ob) during anadromous and catadromous migrations.
(2) A radioautographic study of the European eel (Anguilla anguilla) was carried out in ten female specimens at the catadromic migratory silver stage.
(3) In both the anadromous and catadromous arctic lamprey (Lampetra japonica), iCT cells were present only in the diencephalon, and those were bipolar nerve cells.
(4) The secretory activity of the preoptic nucleus and of the lateral tuberal nucleus was also investigated with regard to the gonadal growth and development during the reproductive sexual cycle and the changing migrational environmental conditions (anadromous and catadromous phases).
(5) Copro-ovoscopic survey of the human population in the Khabarovsk Territory and the analysis of data of account of territorial sanitary epidemiological station showed that people invaded with D. klebanovskii are registered only in areas whose rivers catadromous salmon come to spawn.
(6) The complex life cycle of the European eel (Anguilla anguilla) involves a long catadromous migration during which the eye undergoes a number of morphological alterations.
Frond
Definition:
(n.) The organ formed by the combination or union into one body of stem and leaf, and often bearing the fructification; as, the frond of a fern or of a lichen or seaweed; also, the peculiar leaf of a palm tree.
Example Sentences:
(1) Ependymal cells developed luminal fronds that projected into the ventricle and the subpial glia displayed a very subtle gliosis in the form of thin multi-laminated processes.
(2) BPV-4 DNA was present in the residual papillomatous fronds of the renal cancer, but was absent from the carcinoma proper and for the splenic metastasis.
(3) Having reviewed 47 cases of vascular malformations of the stomach and duodenum, we propose an endoscopic classification for these lesions: Pattern I (flat or slightly protruded, bright red lesions with frond-like margin) is the most usual form of presentation.
(4) Carbon dioxide laser photocautery was used successfully intraocularly in human patients to seal fibrovascular fronds and retinal tears at the time of vitrectomy.
(5) "Fronds," characterized by contrast within the interstices of the lesion, were seen in three malignant lesions.
(6) Posterior or to this frond of neovascularization, intertwining intraretinal telangiectasia was observed.
(7) At its margin abutting the central fibrous body the atrioventricular (A-V) node exhibited numerous fronds and outcroppings, some forming loop connections from one part of A-V node to another.
(8) The stems of corn, millet, sugar cane and the banana leaf frond excite some clinical and pathological effects in the rabbit's eye when implanted either into the anterior chamber (AC) or subconjunctivally.
(9) Substance P was most abundant in the subintimal portion of the membrane, with occasional filaments coursing via synovial fronds to the intimal portion.
(10) Palm tree climbers use jigs which are woven from palm fronds.
(11) Management depends on a high degree of suspicion, and a sonogram is useful to visualize the papillary fronds in the cysts.
(12) Photograph: Phil Gates I turned over a frond and saw the long, slit-like rows of spores, then searched under a rocky overhang for signs of germination.
(13) There is then no further increase in frond number for 3 to 4 weeks, although DNA, RNA and protein synthesis continue at decreased rates and starch accumulates in the plants.
(14) Bacteria-free cultures of Spirodela oligorrhiza continue to increase in frond number for 2 to 3 days after transfer to darkness.
(15) Four argon laser techniques have been evaluated in the eradication of diabetic disk neovascularization: focal (nonfeeder) photocoagulation, feeder-frond photocoagulation alone, panretinal photocoagulation alone, and feeder-frond treatment combined with panretinal photocoagulation.
(16) During the day, under leafy huts, women learned to weave pandanus fronds and men crafted didgeridoos.
(17) A fluorescein-angiography displayed six years after the trauma a large neovascular frond and intraretinal neovascular network.
(18) However, only five of these were easily detectable in steady-state mRNA isolated from roots of the same plants, and the relative expression of each gene varied between the roots and the fronds.
(19) Amongst the other 10 women there were intratubal adhesions (n = 2), fronds attached to mucosal folds (n = 4), irregular blood vessels in mucosal folds (n = 2), unusual mucosal folds (n = 3) and black 'spots' within mucosal folds (n = 3).
(20) Thrombosis was associated with a delay in the growth and maturation of NV fronds, which resumed after reperfusion.