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...

Freshwater aquatic plankton
Freshwater Communities & Plankton

Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

"Opabinia regalis"
The Evolutionary Development of Multicellular Organisms

Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

Chemical effects on plant growth and development
Effect of Chemicals on Growth & Development in Organisms

Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..

Oligodendrocyte and Schwann cell
The Central Nervous System

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

Golgi apparatus (3-D illustration)
Role of Golgi Apparatus & Endoplasmic Reticulum in Protein Synthesis

The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..

Gene Pool and Speciation
The Gene Pool and Population Genetics

According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

Related Articles...

No related articles found

See all Related Topics