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In addition to these, Hemal models in countless shows throughout the year.
The body cavity contains the circulatory or hemal system.
The neural and hemal spines tend to be simple and slender.
Between the second and third caudal vertebrae, separate bones called hemal arches are present.
Sea urchins possess both a water vascular system and a hemal system, the latter containing blood.
Oxygen is transported through the body via the hemal system, a series of sinuses and vessels distinct from the water vascular system.
This fluid contains phagocytic coelomocytes, which move through the vascular and hemal systems.
Hemal Jhaveri of TVSquad described the episode as "excellent".
Oxygen dissolved in the water is distributed through the body mainly by the fluid in the main body cavity; the hemal system may also play a minor role.
An arch extending from the top of the centrum is called a neural arch, while the hemal arch or chevron is found underneath the centrum in the caudal (tail) vertebrae of fish.
The internal anatomy consists of a complete gut, a nervous system with two visceral nerve cords and two serving the foot, and a hemal system composed of the heart, vessels, and unlined sinuses that make the hemocoel.
Bryozoan's tentacles bear cells with multiple cilia, while the corresponding cells of phoronids', brachiopods' and pterobranchs' lophophores have one cilium per cell; and bryozoan tentacles have no hemal canal ("blood vessel"), which those of the other three phyla have.
The tail has haemal arches, a feature lost in all other modern turtles.
Haemal nodes are presumed to have the same function as the human spleen.
The hole so formed is the haemal canal.
It sometimes has a haemal spine on.
Haemal nodes are lymphoid organs found in various mammals and some birds.
The long haemal arches would have given the tail a large lateral surface area for greater propulsion through the water.
Haemal nodes were first described by Gibbes in 1884.
They lacked intercentra, even in the tail, and had are no free haemal arches.
Echinoderms have a haemal system, and often also a perihaemal system.
It consists of five tail vertebrae, a sacral vertebra, a left humerus, haemal arches and rib fragments.
Crinoids also possess a separate haemal system, consisting of fluid-filled sinuses within the connective tissue.
Haemal arches usually unfused to caudal centra.
A haemal arch is a bony arch on the underside of a tail vertebra of a vertebrate.
In the tail, these are attached to chevron-shaped bones called haemal arches, which attach below the base of the spine, and help to support the musculature.
Many mammals have tiny spleen-like structures known as haemal nodes throughout the body that are presumed to have the same function as the spleen.
In the caudal region, elongate transverse processes take the place of ribs, and the haemapophyses are paired, one on each side of the haemal canal.
Now he saw far above him the backbone of the apparatus and its big ribs, "like the neural and haemal canals," said Kurt, who had dabbled in biology.
Like all echinoderms, sea cucumbers possess both a water vascular system that provides hydraulic pressure to the tentacles and tube feet, allowing them to move, and a haemal system.
A central haemal ring surrounds the pharynx next to the ring canal of the water vascular system, and sends off additional vessels along the radial canals beneath the ambulacral areas.
There are small articular processes on the trunk vertebrae, and it has long, narrow neural spines, and posteroventrally positioned, unfused haemal arches on the vertebrae of the tail.
Although not as specialized as Mesosaurus for living in the water, Piveteau noted its short neck, short manus, well developed haemal spines and slight pachyostosis of the ribs.
In the larger species, additional vessels run above and below the intestine and are connected by over a hundred small muscular ampullae, acting as miniature hearts to pump blood around the haemal system.
Phagocytic coelomocytes, somewhat similar in function to the white blood cells of vertebrates, are formed within the haemal vessels, and travel throughout the body cavity as well as both circulatory systems.
New material from Laño, Spain described by Diaz et al. (2013), which includes cervical, dorsal and caudal vertebrae, dorsal ribs, and a haemal arch, has been assigned to Lirainosaurus.
In birds, tendon ossification primarily occurs in the hindlimb, while in ornithischian dinosaurs, ossified axial muscle tendons form a latticework along the neural and haemal spines on the tail, presumably for support.
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