Coral Anatomy Concept Check

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Draggable item		Corresponding Item
Mesenteries		Allows coral to anchor to a substrate and secrete more calcium carbonate, allowing them to grow.
Mouth		The tissue that connects colonial coral polyps and allows corals to share nutrients.
Gastrovascular Canals		The structure that holds an individual coral polyp in place allowing for stability. It is sometimes referred to as the cuplike skeleton.
Endoderm		The outer cell layer that houses nematocysts and secretes mucous.
Coenosarc		The inner cell layer that houses zooxanthellae.
Mesoglea		Inner layer of cells that lines the gastrovascular cavity absorbing nutrients, excreting mucus and waste, and allowing for gas exchange and reproduction.
Mucus		Located in the coenosarc, allowing polyps to share nutrients and zooxanthellae.
Tentacles		The area that supports the stomach, absorbs nutrients, excretes mucus and waste, and allows for gas exchange and reproduction.
Corallite		Allow the stomach to expand and house the reproductive cells.
Nematocysts		The jelly-like substance in between the ectodermis and gastrodermis that helps maintain the form of animals.
Septa		Located at the center of the oral disk and expels waste and injects food.
Gastrodermis		A gelatinous substance that is used to aid in food capture, protection, and remove sediment and waste.
Gastrovascular Cavity		Specialized stinging cells located in the ectodermis that aid in predation.
Basal Disk or Plate		Soft tissue that supports the mouth and tentacles
Oral Disk		Support the inner folds of the mesenteries.
Ectodermis		Feeding mechanism that surrounds the oral disk and aids in capturing prey.

Draggable item

Corresponding Item

Mesenteries

Allows coral to anchor to a substrate and secrete more calcium carbonate, allowing them to grow.

Mouth

The tissue that connects colonial coral polyps and allows corals to share nutrients.

Gastrovascular Canals

The structure that holds an individual coral polyp in place allowing for stability. It is sometimes referred to as the cuplike skeleton.

Endoderm

The outer cell layer that houses nematocysts and secretes mucous.

Coenosarc

The inner cell layer that houses zooxanthellae.

Mesoglea

Inner layer of cells that lines the gastrovascular cavity absorbing nutrients, excreting mucus and waste, and allowing for gas exchange and reproduction.

Mucus

Located in the coenosarc, allowing polyps to share nutrients and zooxanthellae.

Tentacles

The area that supports the stomach, absorbs nutrients, excretes mucus and waste, and allows for gas exchange and reproduction.

Corallite

Allow the stomach to expand and house the reproductive cells.

Nematocysts

The jelly-like substance in between the ectodermis and gastrodermis that helps maintain the form of animals.

Septa

Located at the center of the oral disk and expels waste and injects food.

Gastrodermis

A gelatinous substance that is used to aid in food capture, protection, and remove sediment and waste.

Gastrovascular Cavity

Specialized stinging cells located in the ectodermis that aid in predation.

Basal Disk or Plate

Soft tissue that supports the mouth and tentacles

Oral Disk

Support the inner folds of the mesenteries.

Ectodermis

Feeding mechanism that surrounds the oral disk and aids in capturing prey.