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Encyclopedia > Sesamoid

In anatomy, a sesamoid bone is a bone embedded within a tendon. Anatomical drawing of the human muscles from the Encyclopédie. ... Grays illustration of a human femur, a typically recognized bone. ... A tendon (or sinew) is a tough band of fibrous connective tissue that connects muscle to bone. ...


Sesamoid bones are typically found in locations where a tendon passes over a joint. Functionally, they act to protect the tendon and to increase its mechanical effect. The presence of the sesamoid bone holds the tendon slightly further away from the center of the joint and thus increases its moment arm. The sesamoid prevents the tendon from flattening into the joint as the tendon tension increases, and therefore also maintains a more consistent moment arm through a variety of possible tendon loads. A joint is a nicely rolled marijuana cigarette. ... Tension may mean: In physics, tension is a force related to the stretching of a string or a similar object. ...


Human anatomy

Examples in human anatomy include: Human anatomy or anthropotomy is a special field within anatomy. ...

  • The patella, a bone at the front of the knee.
  • The sesamoid bones of the first metatarsal of the foot. This area is beneath the pad on the foot just proximal to the big toe. These two bones serve to protect the tendon that flexes the toe, by protecting it from the body's weight.
  • The pisiform, a carpal bone of the hand.

Left patella - anterior aspect Left patella - posterior aspect The patella or kneecap is a thick, triangular bone which articulates with the femur and covers and protects the front of the knee joint. ... An x-ray of a human knee In human anatomy, the knee is the leg joint connecting the femur and the tibia. ... The metatarsus consists of the five long bones of the foot, which are numbered from the medial side (ossa metatarsalia I.-V.); each presents for examination a body and two extremities. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The hallux or big toe is the biological name for digit I. In humans and non-human primates, the hallux is the largest toe on the foot. ... The pisiform bone (also called pisiform or pisiforme os or lentiform bone) is a small knobbly, pea-shaped wrist bone. ... In human anatomy, the carpal bones are the bones of the human wrist. ...

Horse anatomy

In the horse, the term sesamoid bone usually refers to the two sesamoid bones found at the back of the fetlock or metacarpophalangeal/metatarsophalangeal joints in both hindlimbs and forelimbs. Strictly these should be termed the proximal sesamoid bones whereas the navicular bone should be referred to as the distal sesamoid bone. The patella is also a form of sesamoid bone in the horse. The equine forelimb is the front, or thoracic limb of the horse. ... Binomial name Equus caballus Linnaeus, 1758 The horse (Equus caballus or Equus ferus caballus) is a sizeable ungulate mammal, one of ten modern species of the genus Equus. ... Fetlock is the common name for the metacarpophalangeal and metatarsophalangeal joints (MCPJ and MTPJ) of the horse. ... In zootomy, several terms are used to describe the location of organs and other structures in the body of bilateral animals. ... The navicular bone (also called the navicular or scaphoid) is a small boat-shaped human bone of the tarsus. ... In zootomy, several terms are used to describe the location of organs and other structures in the body of bilateral animals. ...


Panda anatomy

In the giant panda, the radial sesamoid has evolved to be larger than the same bone in counterparts such as bears. It is primarily a bony support for the pad above it, a support so the panda's other digits can grasp bamboo while eating it. [1] Some creationism and intelligent design proponents claim that this "thumb" is evidence of a gap in Charles Darwin's theory. A school textbook created by intelligent design proponents was titled Of Pandas and People as a reference to this controversy. Zoologists and other scientists have pointed out that this is not a true opposable thumb, and that the panda is a good argument in favor of evolutionary theory. [2] Binomial name Ailuropoda melanoleuca (David, 1869) The Giant Panda (Ailuropoda melanoleuca black-and-white cat-foot) is a mammal now usually classified in the bear family, Ursidae, native to central and southern China. ... A speculative phylogenetic tree of all living things, based on rRNA gene data, showing the separation of the three domains, bacteria, archaea, and eukaryotes. ... Genera Ailuropoda Ursus Tremarctos Arctodus(extinct) A bear is a large mammal of the order Carnivora, family Ursidae. ... Diversity Around 91 genera and 1,000 species Subtribes Arthrostylidiinae Arundinariinae Bambusinae Chusqueinae Guaduinae Melocanninae Nastinae Racemobambodinae Shibataeinae See the full Taxonomy of the Bambuseae. ... The Creation of Light by Gustave Doré. In Abrahamic religions, creationism or creation theology is the origin belief that humans, life, the Earth, and the universe were created by a supreme being or deitys supernatural intervention. ... Intelligent design (ID) is the concept that certain features of the universe and of living things are best explained by an intelligent cause, not an undirected process such as natural selection. ... In his lifetime Charles Darwin gained international fame as an influential scientist examining controversial topics. ... Cover Of Pandas and People: The Central Question of Biological Origins (ISBN 0914513400) is a controversial 1989 (2nd edition 1993) school-level textbook by Percival Davis and Dean H. Kenyon. ... The thumbs up gesture is a sign of approval in many cultures, and an obscene gesture in many others. ...


  Results from FactBites:
 
Pharmacy lasix for horse online (5935 words)
In the case of more severe fractures, the recovery period could encompass lasix for horse many months before the horse is ready to return to training.
Sesamoid Fracture The sesamoids are two small, delicate bones located at the back of the fetlock, held lasix for horse in place only by ligaments.
lasix for horse A lasix for horse fracture to the sesamoids usually involves an injury to the suspensory apparatus.
  More results at FactBites »

 
 

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