If the tumor remains confined and doesn't spread into surrounding tissues, then it's considered benign.

如果肿瘤保持局限且未扩散到邻近组织，则被认为是良性的。

If so, mycobacterium tuberculosis will reproduce inside those macrophages, and form colonies in the surrounding lung tissue.

这时结核杆菌会在巨噬细胞内繁殖，并在周边组织中形成菌落。

The underlying mechanism is unclear, but blood vessels show a pattern of lymphocyte infiltration and surrounding tissue necrosis.

主要发病机制尚不清楚，不过受累血管往往可见淋巴细胞浸润及周围组织坏死。

This makes areolar tissue makes it great at holding the watery, salty ground substance that surrounding tissues draw from.

这使得蜂窝组织能够很好地保持周围组织从中吸收的含水和盐的基质。

But if the tumor invades into surrounding tissues and metastasizes or spreads through blood or lymph, then it's considered malignant.

但如果肿瘤侵犯周围组织以及通过血液或淋巴转移或扩散，则被认为是恶性的。

That efficient absorption means the paste can be heated by a relatively weak laser beam, which helps protect the surrounding tissues.

这种高效的吸收意味着这种糊状物可以被相对较弱的激光加热，这有助于保护周围的组织。

When any type of neuroblastoma forms, cells in the surrounding tissue release chemokines called CXCL12 and that stimulates nearby immune cells.

无论哪种神经母细胞瘤形成，周围组织的细胞都会释放CXCL12趋化因子，激活附近的免疫细胞。

So researchers started studying the DNA of these strange cells and surrounding healthy tissue.

因此，研究人员开始研究这些奇怪细胞和周围健康组织的 DNA。

When those bubbles collapse, they transmit small shock waves into the surrounding tissues.

当这些气泡破裂时，它们会将小的冲击波传递到周围的组织中。

Lymphatic capillaries are the smallest lymphatic vessels and collect fluid from the surrounding tissues.

毛细淋巴管是最小的淋巴管，从周围组织收集液体。

And to make things worse still, Dr Medzhitov also discovered that all this immune manipulation makes the surrounding tissues prone to allergy.

更糟糕的是，梅德日托夫博士还发现，所有这些免疫操作都会使周围组织容易过敏。

The microscopic lymphatic capillaries are the smallest lymphatic vessels and collect fluid from the surrounding tissues.

显微镜下的毛细淋巴管是最小的淋巴管，从周围组织收集液体。

And when body cells are damaged, they release chemicals that make fluid leak into the surrounding tissues, causing swelling.

当身体细胞受损时，它们会释放化学物质， 使液体渗入周围组织，导致肿胀。

A chronic subdural hematoma, on the other hand, shows up as a hypodense mass, which is less white than the surrounding brain tissue.

而慢性硬脑膜下血肿，则显示为低密度区域，意味着比正常脑组织亮度更低。

An added advantage of this method is that the cancer cells die in a way that spares the surrounding healthy tissue.

这种方法的另一个优点是癌细胞死亡时不会影响周围的健康组织。

When plants work harder to get water from the soil, their water-conducting pipes can accidentally suck in tiny pockets of air from the surrounding tissue.

当植物更努力地从土壤中吸取水分，它们的输水管道可能从周围组织意外吸入微小气泡。

On a CT scan, an acute subdural hematoma shows up as a hyperdense mass, meaning that it looks more white than the surrounding healthy brain tissue.

在CT上，急性硬膜下血肿为高密度区域：也就是说那块区域比旁边的正常脑组织亮度更高。

In spina bifida occulta, the spinal cord and surrounding tissue don't protrude, nor is any of the tissue forced into the spaces in between the vertebrae.

在隐性脊柱裂中，脊髓和周围组织均不突出，也没有任何组织被挤压到椎骨之间的空间。

Brain mapping-it's where you locate the area of the brain where the seizures originate and surgically remove it the minimal damage to the surrounding tissue. -Excellent.

脑神经映射可以定位大脑引起痉挛的部位，并通过手术进行移除，- 避免对其他部位造成伤害。- 很好。

Most of your blood vessels share a similar structure consisting of three layers of tissue surrounding the open space, or lumen, that actually holds the blood.

你的大多数血管都有一个相似的结构，由三层组织组成，围绕着开放空间或内腔，实际上容纳血液。