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body in Biological Dictionary

Polar body

A polar body is a cell structure found inside an ovum. Both animal and plant ova possess it. It is also known as a polar cell. polar body n. A minute cell produced and ultimately discarded in the development of an oocyte, containing little or no cytoplasm but having one of the ...

Cell body

The soma, or cyton or perikaryon, is the bulbous end of a neuron, containing the cell nucleus. The word soma is Greek, meaning " body "; the soma of a neuron is often called the " cell body ". There are many different specialized types of neurons and the size of the soma... ...

Barr body

In those species in which sex is determined by the presence of the Y or W chromosome rather than the diploidy of the X or Z, a Barr body is the inactive X chromosome in a female cell,... The Barr body is indicated by the arrow, it identifies the inactive X (Xi) ... 2.6 Barr ...

White blood cells

..., are cells of the immune system defending the body against both infectious disease and foreign materi...ut how many white blood cells you have. Your body produces more white blood cells when you hav...ls are a part of the immune system and help the body fight infection. ... How Blood Works. Red Blood...

Voluntary muscle

...sciously controlled via ... muscle cells, which comprise about 40% of the body weight, are voluntary . ... What happens to the voluntary muscles o...uscle contraction ... Voluntary muscle contraction is used to move the body and can be finely ... move muscles in response to voluntary and ... ...

Walking legs

...of arthropods, usually used for walking . ... Developmental genetics and arthropod evolution: part I, on legs " ... In walking the body "vaults" over the leg on the ground, raising the center of ... The first successful attempts at walking robots tended to have 6 legs...

VLSI

...ctronics Magazine (新電子科技雜誌), Charlie Chung-Ping Chen ( 陳中平教授 ) ... VLSI Semiconductor business opportunity and Asic Design service ... Please any body help me in getting VLSI Job. finalyear projects ... The NMSU- VLSI program is becoming a national as well as internationally recognized program....

Viscera

...nsatiable. ... Pronunciation of viscera . viscera synonyms. viscera usage examples and viscera quotes. ... of viscus , an inner part of the body ... Shop for Viscera and Music at Shop.com. Release Date 2005-10-11 Audio CD Metropolis Records Music|Electronic|Metropolis Records| Viscera |God...

Vitamin

...more, Vitamin , any of the organic carbon-containing compounds that the body requires ... Vitamin - Wikipedia, the free encyclopedia. A vitamin is a...n B12 blood test measures the amount of vitamin B12 in the body. ... The body needs this B vitamin to make blood cells and to maintain a healthy ... ...

Virus

...e that can infect a host cell. ... The Gene virus was disocvered in the body of Lisa Trevor after decades of use as ... In computers, a virus is a ...t. LiveScience.com explains human viruses , viruses in the human body , common human viruses , types of human viruses and human papillo...

Vestibular system

...stibular system functions improperly, a person may feel like they are ... ... of sound, and the vestibular system , involved with maintaining body ... functions in the vestibular system . Anatomy of the Ear ... Vestibular System ... ... caused by the abnormality in functioning of visual...

Vertebral column

...ebral column , and allows you to... This exhibit features the skeletal system with terms which describe the locations of the parts of the human body ... the vertebral column , resulting in ... The adult vertebral (spinal) column consists of 26 bones that are grouped as follows: ... congen...

Ventricle

...f the brain. ... The third ventricle also contains two saclike recesses called the anterior ... ventricle n. A small cavity or chamber within a body or organ, especially: The chamber on the left side of the heart that receives arterial blood Complex heart defects that result in one of the he...

Ventral root

... root transection? ... Ventral - Definition of Ventral at Dictionary.com a free online ... Ventral fin. Ventral epigastric ... Ventral body caviti... Ventral view. Ventral root ... Nerve root blocks were developed as a means by which to define the source, if not the cause, ... ...

Vena cava

...ies de-oxygenated blood from the lower half of the body into the right atrium of the heart. The super...he veins that return deoxygenated blood from the body into the heart. They both empty into the right atr... two large veins that drain blood from the upper body and from the lower...

Veins

...symptoms, diagnosis, misdiagnosis, treatment, causes, patient stories, videos, forums, prevention, and prognosis. Veins transport blood from your body to your heart. ... Your veins then become enlarged. Varicose veins usually appear in the legs and feet, because standing ... Learn about varico...

Vascular system

...en waste products, etc. to and from cells in the body to help fight diseases and help stabilize body temperature and pH to... Vascular tissue is a...are also two meristems... vascular system A body system containing specialized organs and tissue...

Vascular plants

...itive vascular plants are entirely made up of primary tissues ... b. The secondary vascular tissues and periderm make up the secondary plant body ... vascular plant n. Any of various plants , such as the ferns and seed-bearing plants , in which the phloem transports sugar and the xyl...

Uterus

...tion the uterus returns almost to its former condition, but ... Organ Uterus including diseases and disorders affecting the Uterus organ or body system. ... The narrow, lower portion of the uterus is the cervix. ... Information about detection, symptoms, diagnosis, and treatment of uterine...

Uropod

...rophils. ... ... leg proprioceptive inputs to the uropod motor system were investigated in ... It is also suggested that the uropod response to body rolling during walking is ... II. Modulation Of uropod motoneurone excitation by leg proprioception. M ... The uropod motoneurones showed littl...

Urine

... Urine is a liquid waste product of the body secreted by the kidneys by a process of filtration from blood called urinat...mals is a yellow to amber-colored, slightly acid fluid discharged from the body A routine urine screening test may be done to help find the cause fo...

Uric acid

...nd travels to the kidneys, where it ... High levels of uric acid in the body is called ... The blood uric acid test measures the amount of uric ...ic acid - blood - Overview, Uric acid is a chemical created when the body ... Most uric acid dissolves in blood and travels to the kidneys, where...

Urethra

...s and disorders affecting the Urethra organ or body system. ... As these muscles relax, urine exits ...the kidneys, stored in the bladder, and leaves the body through the urethra . ... including the renal p...rowing of the tube that carries urine out of the body from the bladder ( urethra . ... instrument insert...

Ureter

...r pelvis, an injury to the ureter , or an enlarged prostate. ... Organ Ureter including diseases and disorders affecting the Ureter organ or body system. ... Muscles in the ureter walls constantly tighten and relax to force ... Ureter cancer information including symptoms, diagnosis, mi...

Umbo

...m ( Umbo ) • Ossicles (Malleus, Incus & Stapes) • muscles (Stapedius, Tensor ... The Umbo of tympanic membrane - a part of the human body ... Umbo was the name used by the German photographer Otto Umbehr (1902-80), who co ... MySpace Music profile for umbo . Download umbo Funk ...

Tumor

...rtainty. ... A tumor is an abnormal growth of body tissue. ... Tumor Health Article. Save Email Pri...and leak ... A tumor is an abnormal growth of body tissue. ... division and death is disturbed, a ...r symptoms. A tumor is an abnormal growth of body tissue. ... Symptoms depend on the type and locati...

Transferrin receptor

...asures the concentration of soluble transferrin receptor in blood. When body cells are low in iron, the body produces more transferrin receptor . ... Mechanism of Transferrin ...

Thyroid gland

... neck inferior to (below) the thyroid cartilage and at approximately the same level as the cricoid cartilage. The thyroid controls how quickly the body burns energy, makes... Comprehensive information about thyroid health, diseases and conditions affecting the gland , and thyroid drugs and tes...

Thorax

... The thorax is a division of an animal's body that lies between the head and the abdomen. In mammals, the thorax is the region of the body formed by the sternum, the ... body cavities. The thorax from the right. Latin. ca...

Thermoregulation

...ulation is the ability of an organism to keep its body temperature within certain boundaries, even when t... to the mechanisms and control systems used by the body ... There are three main effector mechanisms invol...oregulation n. Maintenance of a constant internal body temperature independent from the environmental tem...

Theory

..... The incompleteness of this theory provides good ground for the formulation of an ... In mathematics, theory is used informally to refer to a body of knowledge about mathematics. ... The term " theory " also has a formal usage in mathematics, ... ... Theory ... for objects that are very smal...

Thallus

... thallus n. , pl. thalli or -luses . A plant body undifferentiated into stem, root, or leaf. ... What does the herb thallus do to the body to promote weight loss? ... Thallus This arti...ionary and encyclopedia. ... thallus - a plant body without true stems or roots or leaves or vascula...

Thalassemia

...ing done? More ... Alpha thalassemia major, the most severe form, is caused when ... Thalassemia is an inherited blood disorder that causes the body to produce less hemoglobin. ... People who have beta thalassemia intermedia usually live into ... Thalassemias are not a single disorder but ra...

Thoracic cavity

...ehind than in ... Thoracic cavity - Wikipedia, the free encyclopedia. The thoracic cavity (or chest cavity ) is the chamber of the human body (and ... Structures in the dorsal thoracic cavity such as the great vessels and bronchial ... After insertion of the cannula, the thorac...

Testes

... online about Swollen testes . Diagnostic checklist, medical ... Organ Testes including diseases and disorders affecting the Testes organ or body system. ... Testes : The male reproductive glands where sperm are produced. ... Detailed information on undescended testes , including causes, ...

Terminator region

... The terminator or twilight zone is a fictive line that delimits the illuminated day side and the dark night side of a planetary body . On Earth, the terminator is a circular line with a diameter that is approximately that of the Earth. Apart from polar regions, the... The Term...

Tendon

...tendon is the fibrous tissue that attaches muscle to bone in the human body. ... The forces applied to a tendon may be more than 5 times your body weight. ... The Achilles tendon , or tendon calcaneus, is a large ropelike band of fibrous ... Achilles Tendon Rupture Symptoms. When to See...

Telson

... The telson is the last division of the body of a crustacean. It is not considered a true segm...opedia. The telson is the last division of the body of a crustacean. ... Zoology information, histo...rld prawn ... Abdomen: The tail, consisting of six body segments and the telson /uropods. ... Definiti...

T cell

... ... T cell precursors enter the subcapsular cortical areas, where they encounter ... Yet, these T cells do not attack healthy parts of the body itself, nor even ... T cell subsets ... different subsets of T cells have been described, each ... Information about T cell in the free...

Sutures

...ture is a medical device that doctors, embalmers, and surgeons use to hold skin, internal organs, blood vessels and all other tissues of the human body together after they have been severed by injury, incision or surgery.... surgical suture , a stitch used by doctors and surgeons to hold tissue ...
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