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BerandaKamusEendostyle

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endostyle

A ciliated groove on the floor of the pharynx in primitive chordates, such as tunicates and lancelets, which secretes mucus to trap food particles.
Noun
pl: endostyles

This term is a specialized anatomical descriptor used almost exclusively in zoology and evolutionary biology. It refers to a specific glandular structure found in basal chordates, serving as the evolutionary precursor to the thyroid gland in vertebrates. Because it is a highly technical term, it is rarely encountered outside of academic texts or scientific discussions regarding the phylogeny of chordates.

As a biological structure, it is treated as a countable noun when referring to the organ across different species or individuals, though it is most frequently used in the singular when describing the general anatomy of a specific organism.

Meanings

Noun

A ciliated groove on the floor of the pharynx in primitive chordates, such as tunicates and lancelets, which secretes mucus to trap food particles.

The endostyle plays a crucial role in filter-feeding by producing a mucus net.

Examples

The endostyle secretes a sticky mucus that traps plankton from the water.

none

The endostyle secretes a sticky mucus that traps plankton from the water.

Look at how the cilia in the endostyle move the food toward the digestive tract.

School Life

Look at how the cilia in the endostyle move the food toward the digestive tract.

I wonder if the endostyle is truly homologous to the vertebrate thyroid gland.

none

I wonder if the endostyle is truly homologous to the vertebrate thyroid gland.

The tunicate uses its endostyle to filter organic particles from the sea.

none

The tunicate uses its endostyle to filter organic particles from the sea.

Is the endostyle present in all cephalochordates?

School Life

Is the endostyle present in all cephalochordates?

The mucus produced by the endostyle forms a net across the pharyngeal slits.

none

The mucus produced by the endostyle forms a net across the pharyngeal slits.

The specimen shows a clearly defined endostyle along the ventral wall of the pharynx.

none

The specimen shows a clearly defined endostyle along the ventral wall of the pharynx.

Wait, so the endostyle basically acts as a feeding organ for these primitive chordates.

School Life

Waitso the endostyle basically acts as a feeding organ for these primitive chordates.

Evolutionary biologists study the endostyle to understand the origin of endocrine glands.

History

Evolutionary biologists study the endostyle to understand the origin of endocrine glands.

Related Words

chordatetunicateurochordatecephalochordatelanceletascidianpharynxgillmucusfiltrationciliaciliatedmucocytesecretoryglandthyroidhomologyevolutionmetamorphosispharyngealstomaatriumpericardiumnotochorddorsalventralepitheliumplanktonnutrientabsorptiondigestionanatomymorphologyzoologybiologyinvertebratevertebratebranchiaciliarysecretionproteiniodinehormonethyroxineorgantissuecellembryolarvatadpoletunicsiphonincurrentwatercurrentparticleorganicdetritusphagocytosischordatatunicatahermaphroditesessilemotileevolutionaryancestorprimitivederivedspecializationadaptationphysiologyhistologycytology
Terakhir Diperbarui: May 2026Laporkan Kesalahan