sperm sinus
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genital sinus — the united vas deferens of the testes carrying sperm to the exterior between the urinary papilla and the anus through the genital pore … Dictionary of ichthyology
[ECG]; simian adenovirus; simulated annealing [algorithm]; sinoatrial; sinus arrest; sinus arrhythmia; skeletal age; skin-adipose [unit]; sleep apnea; slightly active; slowly adapting [receptor]; soluble in alkaline medium; Spanish American; specific activity; spectrum analysis; sperm abnormality; s — sinoatrial; sinoauricular … Medical dictionary
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… … Wikipedia
Onychophora — Temporal range: 40–0 Ma … Wikipedia
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animal development — Introduction the processes that lead eventually to the formation of a new animal starting from cells derived from one or more parent individuals. Development thus occurs following the process by which a new generation of organisms is produced by … Universalium
