Zoological terms

Zoological terms

Terms in relation to animals, such as mammals, birds, reptiles or fish.

Industry: Zoology

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Zoological terms

osculum

Zoology; Zoological terms

(little mouth) Large excurrent opening of a sponge - not a mouth

osmoregulation

Zoology; Zoological terms

Maintenance of constant internal salt and water concentration in an organism.

osmosis

Zoology; Zoological terms

The movement of water through a semipermeable membrane from an area of high water concentration (low solute concentration) to one of low water concentration (high solute concentration)

parenchyma

Zoology; Zoological terms

Living, loosely packed, thin-walled cells; usually found in plants.

parthenogenesis

Zoology; Zoological terms

Asexual reproduction, or agamogenesis in which the female reproduces its kind without fecundation by the male (Rotifera).

peristalsis

Zoology; Zoological terms

(Gk. paeristaltikos, compressing around) In animals, waves of contraction and relaxation of muscles along the length of a tube, such as those in digestive tract that help move food.