These tubules are the sperm factories, made of a stratified epithelium surrounding a central fluid-filled lumen.

些小是精子工厂，由围绕充满液体的中央的分层上皮组成。

Having little water in the lumen, creates a relatively high potassium concentration in the lumen.

水份较少时，中钾离子浓度就会相应升高。

This means that phosphate is left in the lumen and eventually gets sent out in the urine.

意味着磷酸盐留在内，最终通过尿液排出。

They can put out up to 100 lumens per watt.

它们可以输出高达每瓦 100 流明。

Finally, there's an inner ring of luminal columnar cells, which are within the lumen or center of the gland.

最后是一层柱状细胞，位于内或腺体中央。

Also, though, these vessels can relax or vasodilate, and the lumen's diameter increases, which allows more blood flow.

不过，些血也可以舒张，即血舒张，以扩大直径，让更多的血液流过。

An equivalent CFL will get you way more, between 55 and 70 lumens per watt.

等效的 CFL 将为您提供更多，每瓦 55 至 70 流明。

Now, that calcium's still in the lumen, but parathyroid hormone also affects the distal convoluted tubule and increases calcium reabsorption.

时，钙仍然在内，但甲状旁腺激素也会影响远曲小，增加对钙的再吸收。

But in this case, the sperm develop on the outer edge of the tubule, and progress inward toward the lumen.

但是在种情况下，精子在小的外缘发育，并向内前进。

So this means that phosphate is left in the lumen and eventually gets sent out in the urine.

意味着磷酸盐留在内，最终通过尿液排出体外。

We call these luminescent substances, from the ancient Roman word, lumen, which means light.

我们称些发光物质为古罗马词“lumen”，意思是“光”。

In addition, these diuretics also allow more water to remain in the lumen, creating a relatively low potassium concentration in the lumen.

此外，些利尿剂也允许更多的水保留在内，造成内相对低的钾浓度。

This causes a decreased blood flow through its lumen, or hollow center.

导致通过其内或中空中心的血流减少。

The CR Revelation lighting package can produce up to 48,000 lumens in total, with as many as 27 LED lights.

CR Revelation 照明套件总​​共可产生高达 48,000 流明的光，配有多达 27 个 LED 灯。

Different varieties of tracheostomy tubes include cuffed, non cuffed, double lumen tubes, tubes with speaking valves, metallic tubes, and so on.

不同种类的气造口包括带套囊的、没有套囊的、双、带发声阀的、金属等。

Now, that calcium's still in the lumen, though, but parathyroid hormone also affects the distal convoluted tubule and increases calcium reabsorption.

现在，钙仍然在内，但是甲状旁腺激素也会影响远曲小增加钙的再吸收。

A narrow lumen means less blood and oxygen gets delivered to the kidney, resulting in ischemic injury to the nephron's glomerulus.

狭窄意味着对肾的供血供氧减少，导致肾单位中肾小球的缺血性损伤。

Bicarbonate helps neutralize the acidic chyme, and raising the pH in the intestinal lumen also helps digestive enzymes work more effectively.

碳酸氢盐能够中和酸性的食糜，还能提高肠内的pH值；也可以提高消化酶的活性。

But the other kind — the type B's — get pushed down the tubule toward the lumen, and turn into primary spermatocytes.

但是另一种，B 型，则是沿着细进入，然后变成初级精母细胞。

Both the cells of the tunica intima and tunica media generally get the nutrients they need from the blood in the lumen.

内膜和中膜的细胞，都能从内的血液中获取所需的营养物质。