Proximal in Biological Definition

Nephron

... tubule consisting of four sections: the proximal tubule , loop of Henle , distal tubule , and ... 1 Bowman's capsule 2 proximal tubule 3 Loop of Henle 4 Distal tubule ... glucose , salt , amino acids , and urea . proximal tubule The valuable molecules, water , ...

Promoter

... other small RNAs General transcription factor binding sites proximal promoter Approximately -250 Specific transcription factor binding ... of beta globin gene transcriptional activity by a novel mutation of the proximal CACCC promoter element . Blood . 77 (9), 2054-2058. ...

Bone

... ossification Epiphyseal plate the thin sheet of bone marking the fusion of epiphyses to the diaphysis (adults only) Head the proximal articular end of the bone Neck the region of bone between the Head and the Shaft See also Fracture Bone healing ...

Homeostasis

... these ongoing unconscious adjustments. Homeostasis should be thought of as a general characterization of many normal processes in concert, not their proximal cause per se . Moreover, there are numerous biological phenomena which do not conform to this model, such as anabolism . Other fields The ...

Kidney

... Kidney tissue The renal tubule is continuous with Bowman's capsule. The segment that drains glomerular filtrate from the Bowman's capsule is the proximal convoluted tubule . The next portion of the tubule is the loop of Henle , which leads to the distal convoluted tubule . The loop of Henle was ...

Osmoregulation

... unit of vertebrate kidney) structure known as the glomerulus into Bowman's capsule or glomerular capsule (in the kidney's cortex) and flows down the proximal convoluted tubule to a "u-turn" called the Loop of Henle (loop of the nephron) in the medulla portion of the kidney. reabsorption - most of the ...

Tobacco mosaic virus

... inner hole ~2nm. The protein coat consists of 158 aminoacids which are assembled into four main alpha-helices, which are joined by a prominent loop proximal to the axis of the virion. The RNA is located at a radius of ~4nm and is protected from the action of cellular enzymes by the coat protein. There are ...

Tobacco mosaic virus

... inner hole ~2nm. The protein coat consists of 158 aminoacids which are assembled into four main alpha-helices, which are joined by a prominent loop proximal to the axis of the virion. The RNA is located at a radius of ~4nm and is protected from the action of cellular enzymes by the coat protein. There are ...