Navigation Links


tube in Biological Dictionary

Pollen tube

The pollen tube of most seed plants acts as a conduit to transport sperm cells from the pollen grain, either from the stigma to the ovules at the base of the pistil, or directly through ovule tissue in some gymnosperms . In other gymnosperms the pollen tube is involved onl...

Neural tube

In the developing vertebrate, the neural tube is the embryo's precursor to the central nervous system, which comprises the brain and spinal cord. The neural groove gradually deepens as the neural folds become elevated, and... A neural tube defect will occur in human embryos if ther...

Fallopian Tube

The Fallopian tubes, named after Gabriel Fallopius, also known as oviducts, uterine tubes, and salpinges are two very fine tubes lined with ciliated epithelia, leading from the ovaries of female mammals into the uterus. Primary fallopian tube cancer (PFTC), often just tubal cancer, is a ma...

Conjugation tube

Study video for NBEO Part 1 Microbiology Section ... Watch this video in a new window. Bacterial Conjugation . Hello, you either have JavaScript turned off or ... Conjugation , tube ,biological ,biology dictionary,biology terminology,biology terms,biology abbreviations ... A conjugation t...

Xylem

...e and... s, xylem is one of the two types of transport tissue, phloem. Phloem ... Sap is a fluid transported in xylem cells or phloem sieve tube elements of a plant. ... Xylem Clothing Company! : - Tops Skirts Dresses Pants Intimates Sale Items Gift Certificates Outer Wear Accessories NE...

Wolffian duct

...ottom) ... These embryonic structures are the Wolffian and Müllerian ducts . ... In the male the Wolffian duct persists, and forms the tube of the epididymis, ... Definition of Wolffian duct from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the...

Vas deferens

...ens medical term. What does vas deferens mean? ... Vas deferens . A tube that is a continuation of the epididymis. ... Online Medical Dictionary ...ms from epididymis to vas deferens . ... Vas Deferens - a muscular tube (14 inch long by 0.1 inch wide) that propels ... Our new technique avo...

Vagina

...ar. The vagina , (from Latin, literally "sheath" or "scabbard" ... The human vagina is an elastic muscular tube projecting inside a female. ... Women's health information covers breast, cancer, heart, pregnancy, sexual health, and mature women ... The vagi...

Urine

...ficially back in business. ... Learn about urinary tract infection causes, symptoms, signs, diagnosis and ... Normally, urine is sterile. ... the tube that carries urine from the bladder to ... Information from HPS Online on the medicinal use of one's own urine . Contrary to the medical opin...

Urethra

... In anatomy, the urethra is a tube which connects the urinary bladder to the outsid...ive function in the male,... The urethra is a tube that connects the bladder to the outside of the bo...thra . Function and Location. The urethra is the tube through which urine leaves the body. ... One end...

Ureter

...efinitions ... Definition of Ureter . Ureter : A tube that carries urine down from the kidney to the...reter is cancer that forms in the pelvis or the tube that carries urine from the kidney to the bladder. A ureteral stent is a thin, flexible tube threaded into the ureter to help urine drain f...

Tube feet

... tube feet are the many small tubular projections found...ollars and sea cucumbers and many other sea... tube foot n. One of the numerous external, fluid-fil...8 years of age or older, and ... Definition of tube foot from the Merriam-Webster Online Dictionary...

Trachea

... The traceartes, or windpipe, is a tube that has an inner diameter of about 20-25 mm and a... or -cheas . Anatomy. A thin-walled, cartilaginous tube descending from the larynx to the bronchi and ...chea ? ... The trachea , or windpipe, is the bony tube that connects the nose and mouth to ... WHAT ...

Synergid

...in angiosperm (plant): Pollination ) The pollen tube ultimately enters an ovule through the micropy...... However, the mechanism by which the pollen tube causes synergid cell death is not understood...., the synergid cell wall is extensively ... tube and synergid ) forms the milieu in which the nonm...

Sterile cell

... and ... 1 mL of sterile 1X Column Buffer are mixed with the contents of 1 ... sterile cell ... ... cells is achieved as follows: While the tube is in the magnet, using a ... If sterile cells are required following the cell selection, the entire procedure ... ... for cell sedimentati...

Stem

... Plant stem , the above ground structures that have vascular tissue and that ... Stem (bicycle part), connects the handlebars to the steer tube of a bicycle fork ... stem n. The main ascending axis of a plant; a stalk or trunk. ... If a stem creeps along the ground, rooting at the nod...

Solution hybridization

...solution is critical in controlling the ... concentration in solution resulting in ... 1-Pour 30 ml of hybridization solution into the 50-ml tube with the membrane. The hybridization solution is also known as the blocking solution . ... ...

Small intestine

...ancer and colorectal cancer. The small intestine is a long coiled tube located in the abdominal cavity. ... In the small intestine , the epithe...on and absorption occurs. ... The small intestine is a convoluted tube averaging 6 meters in length. ... It is the shortest , widest , and most fi...

Siphon

... A siphon is a continuous tube that allows liquid to drain from a reservoir through an intermediate point that is higher, or lower, than the reservoir, the flow being driven only by...

Sieve tubes

... In plant anatomy, sieve vascular tissue tube elements, also called sieve tube members, are a type of elongated parenchyma cells...the sieve tube. The main function of the sieve tube is transport of carbohydrates in the plant . U...

Radial canal

... canal and its associated structures, including tube feet. ... The radial canal is hidden by the mu...lla-shaped and of gelatinous ... Radial canal : tube that follows a ray of the umbrella of a jellyfish....nnect the radial canal to cylindrical Podia or tube feet, along ... The Waterlase® is the #1 choice...

Prostate gland

...roduces semen, the milky-colored ... Prostate Gland , chestnut-shaped male organ located next to the bladder and surrounding the urethra the tube that carries urine from the bladder to... ... the Prostate Gland . 1. Q: How can a person tell if the prostate gland is ... It is true tha...

Pollen grain

...ollen grain contains two sperm nuclei and one tube nucleus. ... ... pollen , pollen grain , d ...len grain . ... that the pollen grain grow a tube ... grain with the egg and polar nuclei is t...m inside the pollen grain then travel down the tube to ... Pollen grains are produced by meios...

Polar nuclei

...a. Assorted References angiosperm gametophytes ( in plant reproductive system: Angiosperms ) ...micropyle, one functions as an egg. As the pollen tube discharges its contents into the female gametophyte, the egg nucleus is fertilized by one of the sperm, the other unites... ... sperm combi...

Photolysis

...nd edition... ... of benzophenone photolysis is determined by ... this tube to the photolysis cell and slide the tube down into the solution so that it is ... photolysis scan? ... We provi...

Pharynx

...and nasal cavities to the larynx, where The PHARYNX is a fibromuscular tube which extends from the base of the skull to ... On the right side the ph...ymptoms, treatments, and other ... Pharynx : A funnel-shaped fibromuscular tube that conducts ... Pharynx - Definition of Pharynx at Dictionary.com ...

Oviducts

... Oviduct is also another name for Fallopian tube ... The eggs travel along the oviduct . ... The oviduct in birds is divided in several parts: ... The Fallopian tubes, named after Gabriel Fallo...

Oviduct

... to become a zygote, or will degenerate in the body. oviduct ( ) n. A tube through which the ova pass from the ovary to the uterus or ... What is ...duct is quite short and small in diameter. ... ... (also called uterine tube or oviduct ) conducts each egg, following ovulation, ... http://www.siumed...

Neurula

...A Neurula is an embryo at the early stage of development in which neurulation occurs. ... Neurula involves the formation of an internal neural tube ... neurula n. , pl. -las or -lae . An embryo at an early stage of development in which neurulation begins ... neurula . Dictionary: neu·ru·la...

Neural plate

...ckened dorsal plate of ectoderm that differentiates into the neural tube and neural ... a result of end plate spurring and disc bulging ... D...e . Neural crest cells break away from the neural plate or neural tube by changing ... The neural plate region is apparently histologically...

Nerve chord

... internal ... organization, dorsal nerve chord , appendages with opposing ... gill slits, dorsal nerve ... Dorsal nerve cord is a hollow tube lying dorsal to the notochord that becomes ... animals known as lancelates that retain the notochord, dorsal nerve chord , ... Music Lyr...

Myotome

...y·o ... The two myotome regions specified by different factors. • The epaxial myotome is specified by Wnt proteins from the dorsal neural tube ... The myotome in zebrafish retains a permanent record of original somite ... Although the contour of the myotome was complex at ages when v...

Micropyle

...ary.org /wiki/ micropyle " ... micropyle - definition of micropyle by the Free Online Dictionary ... The micropyle opening allows the pollen tube to enter the ovule for fertilization. ... A study of the external and internal structure of the haricot bean seed and the importance of ... Th...

Malpighian tubule

...e ( mal′pigēən ′tü′byül ) ( invertebrate zoology ) Any of the blind tubes that open into the posterior portion of the gut in most Malpighian tube n. Any of the excretory tubules leading from the posterior portion of the alimentary canal of insects and other arthropods The Dow / Davies l...

Malpighi layer

...n about Malpighi in the free online English dictionary and ... Malpighi Marcello. Malpighian. Malpighian corpuscle. Malpighian layer . Malpighian tube ... Malpighi , Marcello. Among Malpighi's many other discoveries were his ... Stratigraphy, branch of geology concerned with the study of rocks ...

Jejunum

... a free online dictionary with ... Jejunum tube. Jejunostomy feeding... J tube how it works. Ileum structure fun... Duodenum is a first portion and Je...on on Rectum and Inflammation of the Jejunum ... Function of Jejunum . J tube How It Works. Reset Function. Appendix. Human growth hormone ... The ...

Insertion

...f CO into a metal alkyl bond, one can ... Chest tube insertion - Overview, A chest tube insertion involves the surgical placement of a hollow, flexible drainage tube into the chest. Browse Pronto.com's most popula...

Genetic engineering

...s, and humans. If you want to understand genetic engineering it is best to start with some basic biology. ... Genetic Engineering is a test tube science and is prematurely ... Genetic Engineering ... Genetic engineering is the process by which genes are altered and transferred ... Wh...

Fallopian tubes

... female mammals into the uterus. fallopian tube also Fallopian tube n. Either of a pair of slender ducts through whic...erus and fallopian tubes . ... Fallopian tube Anatomy. The fallopian ...

Eustachian tubes

... The Eustachian tube is a tube that links the pharynx to the middle ear. In adults the Eustachian tube is approximately 35 mm long. It is named after the...
Other TagsFLEXILOGCalibrationCalibrationPouchOther Contentslymphadenopathylymphadenitislymphomalymphomalymphomalymphomalymphomalymphedemamaculamaculamaculalymphocytelymphocytelymphocytelymphocytelymphocyteobstructionobstructionobstructionobstructionobstruction