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anatomy of a snail
anatomy of a snail
See anatomy of a snail in :
Genital gland located at the apex of the shell ensuring production of sperm and eggs; the snail has both male and female organs.
Channel into which the ovotestis and albumen gland open; it separates into a sperm duct and an egg duct that remain, nonetheless, conjoined.
Organ opening into the hermaphroditic duct and secreting a viscous substance, which surrounds the fertilized ovum and contributes to the development of the egg.
Sac where sperm accumulate before entering the spermatheca.
Male organ of copulation, internal when at rest; it is located on the ventral face of the foot, lateral to the vagina.
Canal in the anterior part of the digestive tract; it carries food to the crop.
Opening common to the penis and the vagina and located at the side of the head; it allows copulation and entry of the sperm into the copulatory bursa.
Organ of the foot located near the mouth; it secretes an adhesive substance that allows the snail to crawl.
Tongue bearing numerous small corneous teeth allowing the snail to grasp and tear up food before ingesting it.
Anterior cavity of the digestive tract having a jaw and a rough tongue (radula) to graze on plants.
Calcareous part located inside the vagina containing the dart with which snails sting one another to achieve arousal before copulation.
Large sac located beyond the esophagus, where food is held before being digested in the stomach.
Organ located in the buccal cavity; it secretes saliva and enables especially the digestion of food.
Pouch formed of a network of blood vessels inside the shell; it ensures respiration and communicates with the outside through an orifice.
Muscular organ helping blood to circulate.
Organ producing a secretion that contributes to digestion.
Section of the digestive tract between the stomach and the anus where absorption of nutrients is carried out and waste is transformed into fecal matter.
Pouch discharging into the vagina and housing the sperm used to fertilize the eggs.
Organ secreting urine; it eliminates toxic substances from the body.
Dilated section of the digestive tract preceding the intestine; it receives food to be digested.
Long canal originating in the kidney and carrying urine to the excretory orifice.
Male genital duct carrying sperm toward the penis.
Movable filament appended to the penis allowing sperm to move about during copulation.
Terminal opening of the ureter allowing urine to be evacuated.
Terminal orifice of the digestive tract enabling ejection of fecal matter.
Female organ of copulation located on the ventral surface of the foot, lateral to the penis.
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