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This gallery offers 156 ClipArt images of worms. Worms are a general term given to many invertebrate animals that have a long, soft body and no legs.

Tapeworms are parasites in the digestive tube of various vertebrates, including man. this is the much magnfied head.

Tapeworm

Tapeworms are parasites in the digestive tube of various vertebrates, including man. this is the much…

Tapeworms live in the intestines of mammals.

Tapeworm

Tapeworms live in the intestines of mammals.

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as algæ derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] Portion of tapeworm, natural size, showing the alternating arrangement of the generative pores."—(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as algæ derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] A single segment or proglottis magnified; 1, generating pore; 2, water vessels; 3, dendritic ovary."—(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as algæ derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] Head of tænia solium (enlarged)."—(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length is from 5 to 15 yards, and its breadth from two lines at the narrowest part to four or five at the other or broader extremity. At the narrow end is the head, which is terminated anteriorly by a central rostellum, surrounded by a crown of small recurved hooks, and behind them four suctorial depressions; then follow an immense number of segments, each full of microscopic ova. The segments are capable of being detached when mature, and reproducing the parasite. There is no mouth; but nutrition appears to take place through the tissues of the animal, as algæ derive nourishment from the sea water in which they float. The digestive system consists of two tubes or lateral canals, extending from the anterior to the posterior end of the body, and a transverse canal at the summit of each joint. [Pictured] A, ovum with contained embryo, B, Cystericus longicollis."—(Charles Leonard-Stuart, 1911)

Tapeworm

"The Tapeworm is an intestinal worm, Tænia solium, in form somewhat resembling tape. Its length…

This diagram shows some stages in the life history of the tapeworm. A, Cysticercus or Bladderworm stage, before the "head" protrudes from the bladder; B, same, later stage; C, Strobila, or chain of proglottides, many being omitted; D, embryo such as fill the uterus of the mature proglottides. It is protected by a shell. b, bladder; ex., excretory canals; g, genital pore; h, head or scolex provided with hooks and suckers (s); u, uterus in a mature posterior proglottis; z, one of budding or segment formation. The numerals show the approximate number of segments, reckoning from the front.

Tapeworm

This diagram shows some stages in the life history of the tapeworm. A, Cysticercus or Bladderworm stage,…

"Diagram showing some stages in the life history of the Tapeworm (taenia). A, Cysticercus or Bladderworm stage, before the "head" protrudes from the bladder; B, same, later stage; C, Strobila, or chain of proglottides, many being omitted; D, embro, such as fill the uterus of the mature proglottides. It is protected by a shell. b, bladder; ex., excretory canals; g, genital pore; h, head or scolex provided with hooks and suckers (s); u, uterus in a mature posterior proglottis; z, zone of budding or segment formation. The numerals show the approximate number of the segments, reckoning from the front." -Galloway, 1915

Tapeworm

"Diagram showing some stages in the life history of the Tapeworm (taenia). A, Cysticercus or Bladderworm…

Echinobothrium typus is a species of tapeworm distinguished by two fossettes with hooks on its head.

Tapeworm

Echinobothrium typus is a species of tapeworm distinguished by two fossettes with hooks on its head.

The cestodes or tapeworms (Toenia solium), are parasitic flatworms. The body is usually of great length up to 50 feet, and terminates in a head. From the head the body extends backwards in a ribbon-like body. Shown here is a tapeworm with the head showing in the upper lefthand corner.

Tapeworm

The cestodes or tapeworms (Toenia solium), are parasitic flatworms. The body is usually of great length…

"Life history of Taenia solium. 1. Six-hooked embryo in egg-case; 2. proscolex or bladder-worm stage, with invaginated head; 3. bladder-worm with evaginated head; 4. enlarged head of adult, showing suckers and hooks; 5. general view of the tape-worm, from small head and thin neck to the rip joints; 6. a rip joint or proglottis with branched uterus; all other organs are now lost." -Thomson, 1916

Pork Tapeworm

"Life history of Taenia solium. 1. Six-hooked embryo in egg-case; 2. proscolex or bladder-worm stage,…

"Diagram of life history of Taenia solium." -Thomson, 1916

Pork Tapeworm

"Diagram of life history of Taenia solium." -Thomson, 1916

The terebella medusa, out of its case.

Terebella medusa out of its case

The terebella medusa, out of its case.

Threadworm (Nematodes) or Roundworm is composed of many different species. In all the body is slender as in the "vinegar eel". This small worm, a millimeter or two in length, lives on the various forms of mold that grow in fermenting fruit juices. A tough cuticle surrounds the body, perserving its shape and at the same time protecting the delicate organs against the action of the acids in which it lives. In the treadworm the eggs develop within the body and the young are born with the form of the parent.

Threadworm

Threadworm (Nematodes) or Roundworm is composed of many different species. In all the body is slender…

"Reproductive Organs of a Trematoid Worm (Aspidogaster conchicola). d, germarium; e, internal vas deferens; f, common vitellarian duct; i, k, oviduct; l, portion of uterus; m, testis." -Whitney, 1911

Reproductive Organs of Trematoid Worm

"Reproductive Organs of a Trematoid Worm (Aspidogaster conchicola). d, germarium; e, internal vas deferens;…

The most dangerous of the parasitic round-worms is Trichina. This is trichina encysted in human muscle.

Trichina

The most dangerous of the parasitic round-worms is Trichina. This is trichina encysted in human muscle.

Trichina. 1) Female; 2) Male.

Trichina

Trichina. 1) Female; 2) Male.

"Trichina Spiralis is the name given to a peculiar nematoid worm which inhabits the muscles, usually of the pig. The viviparous females, originally living in rats, being about eight days after entering the intestines of their second host, a pig, to give birth to the larvæ, which pass into various parts of the body, especially the muscles, where they coil up in a sack, or cyst, which eventually becomes calcareous and whitish. When pork thus infected is eaten the worms are set free in the stomach of their third host (man), and in three or four days there become sexually mature, each female being capable of producing 1,000 young."—(Charles Leonard-Stuart, 1911)

Trichina Spiralis

"Trichina Spiralis is the name given to a peculiar nematoid worm which inhabits the muscles, usually…

"Trichina Spiralis is the name given to a peculiar nematoid worm which inhabits the muscles, usually of the pig. The viviparous females, originally living in rats, being about eight days after entering the intestines of their second host, a pig, to give birth to the larvæ, which pass into various parts of the body, especially the muscles, where they coil up in a sack, or cyst, which eventually becomes calcareous and whitish. When pork thus infected is eaten the worms are set free in the stomach of their third host (man), and in three or four days there become sexually mature, each female being capable of producing 1,000 young."—(Charles Leonard-Stuart, 1911)

Trichina Spiralis

"Trichina Spiralis is the name given to a peculiar nematoid worm which inhabits the muscles, usually…

"Trichinae in muscle, about the encapsuled." -Thomson, 1916

Trichinae

"Trichinae in muscle, about the encapsuled." -Thomson, 1916

"Trichinae in muscle, encapsuled. There may be 12,000 in a gramme of pig's muscle." -Thomson, 1916

Trichinae

"Trichinae in muscle, encapsuled. There may be 12,000 in a gramme of pig's muscle." -Thomson, 1916

This worm is also called a fan worm, plume worm or red tube worm. <p> "A Linnean genus of worms, subsequently used with various restrictions, now type of the family <i>Serpulidae</i>. They are cephalobranchiate tubicolous annelids, inhabiting cylindrical and serpentine or tortuous calcareous tubes, often massed together in a confused heap, and attached to rocks, shells, etc. in the sea." -Whitney, 1889

Calcareous Tubeworm (Serpula)

This worm is also called a fan worm, plume worm or red tube worm. "A Linnean genus of worms, subsequently…

This is a diagram of a Turbellarian, showing the general arrangement of the nervous structures and one of the modes of occurrence of the excretory tubules, which in this case open seperately into the pharynx, on the ventral side of the animal. b., brain; e, eye-spots; ex, excretory canals consisting of a transverse portion passing from the mouth toward the dorsal side, and longitudinal tubes which branch into the capillary vessels terminating in f, the flame cells; lc., lateral nerve cords; m, mouth.

Turbellarian

This is a diagram of a Turbellarian, showing the general arrangement of the nervous structures and one…

This is a diagram of transverse section of a Turbellarian through the region of the mouth. d.m., dermo-muscular wall containing longitudinal fibres; ex, excretory system; f, flame cells; g, gut; l.c., lateral nerve cord; m, mouth; m.f., muscle fibres; ph., pharynx; t, testis; u, uterus; y, yolk glands.

Turbellarian

This is a diagram of transverse section of a Turbellarian through the region of the mouth. d.m., dermo-muscular…

The velvet worm, Peripatus capensis.

Velvet Worm

The velvet worm, Peripatus capensis.

"Young Balanoglossus: showing proboscis, collar, gill-slits, and gastric region. Balanoglossus, a worm-like animal of much zoological interest as a connecting link between invertebrates and vertebrates." -Hazeltine, 1894

Acorn Worm

"Young Balanoglossus: showing proboscis, collar, gill-slits, and gastric region. Balanoglossus, a worm-like…

A marine worm at breeding season.

Marine Worm

A marine worm at breeding season.

A marine worm.

Marine Worm

A marine worm.

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along the sides of the body. These are Polychaetes or "many-bristle") worms, Nereis being one and a common form along the seashore. The body presents the same segmented apprerance as the earthworm. The head is provided with numerous sense organs, among which are four eyes and several tentacles or feelers. This figure the marine worm appearance at breeding season.

Marine Worm

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along…

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along the sides of the body. These are Polychaetes or "many-bristle") worms, Nereis being one and a common form along the seashore. The body presents the same segmented apprerance as the earthworm. The head is provided with numerous sense organs, among which are four eyes and several tentacles or feelers. A marine worm during normal seasons.

Marine Worm

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along…

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along the sides of the body. These are Polychaetes or "many-bristle") worms, Nereis being one and a common form along the seashore. The body presents the same segmented apprerance as the earthworm. The head is provided with numerous sense organs, among which are four eyes and several tentacles or feelers. A head of a marine worm is shown.

Marine Worm

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along…

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along the sides of the body. These are Polychaetes or "many-bristle") worms, Nereis being one and a common form along the seashore. The body presents the same segmented apprerance as the earthworm. The head is provided with numerous sense organs, among which are four eyes and several tentacles or feelers. The lateral appendage of a marine worm is shown.

Marine Worm

Marine worms, also known as Nereis, a worm with highly developed heads and many bristles arranged along…

Marine worms (Polynoe bevisetosa), a worm with highly developed heads and many bristles arranged along the sides of the body. These are common form along the seashore. The body presents the same segmented apprerance as the earthworm. The head is provided with numerous sense organs, among which are four eyes and several tentacles or feelers. Shown is a common marine worm with extended proboscis and overlapping plated covering the back.

Marine Worm

Marine worms (Polynoe bevisetosa), a worm with highly developed heads and many bristles arranged along…

Band or Nemetean worms have been discovered in damp soil or in fresh-water streams. These are commonly small and inconspicuous, pigmies when compared with their marine relatives. Many are often found on the seashore under rocks that have been exposed by the retreating tide.

Nemetean

Band or Nemetean worms have been discovered in damp soil or in fresh-water streams. These are commonly…

Band or Nemetean worms have been discovered in damp soil or in fresh-water streams. These are commonly small and inconspicuous, pigmies when compared with their marine relatives. Many are often found on the seashore under rocks that have been exposed by the retreating tide. Shown here is the head, earing numerous eyes and spine-tipped proboscis.

Nemetean

Band or Nemetean worms have been discovered in damp soil or in fresh-water streams. These are commonly…

This illustration shows a worm. Worms have an elongated soft-body. The most famous is the earthworm, but there are hundreds of thousands of different species that live in a wide variety of habitats other than soil.

Worms

This illustration shows a worm. Worms have an elongated soft-body. The most famous is the earthworm,…