Dictionary > Rostrum

Rostrum

Definition
noun, plural: rostra
(zoology)

(1) A beak-like or snout-like projection, such as that of the crocodile or dolphin, or the beak of birds.

(2) The beak or sucking mouth parts, especially of hemiptera.

(3) The anterior or foremost extension of the carapace of crustaceans, e.g. the lobster and the prawn.
(botany) The rostellum.
(neurology) The region in the human brain continuous with the anterior end of the corpus callosum.
(surgery) A pair of forceps with beak-like form.
(chemistry) The pipe used to convey the distilling liquor into its receiver in the common alembic.
(general) A stage, pulpit or elevated platform for public speaking.
Supplement
Word origin: Latin rōstrum, (beak).

Related forms: rostral (adjective)
Related terms:

  • Rostrum corporis callosi
  • Rostrum of corpus callosum
  • Rostrum of the sphenoid bone
  • Rostrum sphenoidale


You will also like...

Mātauranga Māori and Science Collaboration
Mātauranga Māori and Science

Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..

Salmon jumping upstream in the river
Lotic Communities & Animals

A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..

Direct and indirect physiologic effects of growth hormone
Animal Growth Hormones

Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..

Ecological Research Measuring & Analysis
Ecological Research: Measuring & Analysis

This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

Angle Oak Tree
Seed Plants

Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..

Birth Control and Contraception
Birth Control and Contraception

Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..