What is the singular term for oscula?
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What is the singular term for oscula?
Noun. osculum (plural oscula) (biology) the main opening in a sponge from which water is expelled.
What does the osculum mean?
: an excurrent opening of a sponge.
What is osculum in history?
The osculum (plural “oscula”) is an excretory structure in the living sponge, a large opening to the outside through which the current of water exits after passing through the spongocoel.
What is Austria and osculum?
Ostia are the tiny pores present on the surface of sponges, from where water enters and goes to the spongocoel. The osculum is the opening from where the water goes out after passing through the spongocoel.
What does omen mean in Latin?
omen (n.) “casual event or occurrence supposed to portend good or evil,” 1580s, from Latin omen “foreboding, augury,” according to Varro from Old Latin osmen; a word of unknown origin.
What is a Pinocyte?
(ˌpɪn ə saɪˈtoʊ sɪs, ˌpaɪ nə-) n. the endocytic transport of fluid into a living cell by the formation in the cell membrane of a separate tiny vacuole around each droplet.
What is the meaning of spongocoel?
Definition of spongocoel : the internal cavity of a sponge discharging by way of the osculum.
What is Ostia osculum?
What language is NOX?
Latin
-nox- comes from Latin, where it has the meaning “night. ” This meaning is found in such words as: equinox, noctambulism, nocturnal, nocturne.
What is a spiritual omen?
An omen (also called portent) is a phenomenon that is believed to foretell the future, often signifying the advent of change. It was commonly believed in ancient times, and still believed by some today, that omens bring divine messages from the gods.
What is Pinocytotic vesicle?
pinocytosis, a process by which liquid droplets are ingested by living cells. Pinocytosis is one type of endocytosis, the general process by which cells engulf external substances, gathering them into special membrane-bound vesicles contained within the cell.
What is cell drinking called?
Pinocytosis. Pinocytosis (“cell drinking”) is almost the same process as phagocytosis, except it involves liquids instead of solids. During exocytosis a vacuole containing material to be excreated from the cell moves to the plasma membrane and fuses with it.
What are Ostia?
Why do Poriferans have pores in their body?
In addition to the osculum, sponges have multiple pores called ostia on their bodies that allow water to enter the sponge. In some sponges, ostia are formed by porocytes, single tube-shaped cells that act as valves to regulate the flow of water into the spongocoel.
Why are sponges regarded as Parazoa?
Sponge ParazoaSponge parazoans are unique invertebrate animals characterized by porous bodies. This interesting feature allows a sponge to filter food and nutrients from water as it passes through its pores.
What does spongocoel mean?