ovoviviparous


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ovoviviparous

[¦ō·vō‚vī′vip·ə·rəs]
(vertebrate zoology)
Producing eggs that develop internally and hatch before or soon after extrusion.
References in periodicals archive ?
Quillback rockfish have been described as viviparous (MacFarlane and Norton, 1999), and ovoviviparous (Matala et al.
Sperm ultrastructure of an ivoparous and ovoviviparous onychophoran species (Peripatopsidae) with some phylogenetic considerations.
Although development is presumed to be ovoviviparous, nothing else is known of its reproduction.
The analysis of natural crab pits, simulated pits, and bottom sediment traps at Tom's Cove clearly showed that dispersal plays an important role in regulating the local distribution and abundance of the ovoviviparous bivalve Gemma gemma.
Sebastes capensis is an ovoviviparous species that inhabits the waters over the continental shelf between 20 and 200 m in depth (Pequeno, 2000).
Paracamallanus cyathopharynx is an ovoviviparous camallanid nematode whose larvae are liberated into the gut of the host and pass out with the faeces (Moravec 1974).
ovoviviparous A term applied to insects that do not lay eggs but whose young develop inside the female.
They have generally been regarded as classic examples of ovoviviparous fishes; however, recent studies have suggested that developing young use exogenous energy prior to birth (Boehlert and Yoklavich, 1984).
2001), females can store sperm for several months (Constantz, 1989), and they are ovoviviparous (Parenti and Rauchenberger, 1989).
In the present paper we describe the cloning and characterization of two TR genes, thyroid hormone receptor alpha (TRa) and thyroid hormone receptor beta (TRb) from ovary mRNA of a ovoviviparous fish Sebastes schlegelii.
Generally, Pisidium species are small bivalves (<12 mm in shell length) with hermaphroditic and ovoviviparous modes of reproduction (Araujo & Ramos 1999, Lee 1999, Korniushin & Glaubrecht 2006) and only one brood event per reproductive cycle (Guralnick 2004).
In ovoviviparous botryllid ascidians, when two incompatible colonies are brought into contact at their cut surfaces, an intense rejection reaction is induced.