The adrenal medulla is the tissue that forms the central part of the adrenal gland.

肾上腺髓质是形成肾上腺中心部的组织。

The medulla is in the center of the gland.

髓质位于腺体的中央。

Both the sympathetic nerve and the adrenal medulla originate from the ectoderm.

交感神经与肾上腺髓质同起源于外胚层。

We read a letter about the medulla spinalis of some quadrupeds.

我们读了一封关于一些四足动物的髓质脊髓的信。

Well-defined sclerotic edge near the medulla.

病灶近髓腔侧有细的硬化线。

There is a central vein in the center of the medulla.

髓质中央有一大的静脉，称中央静脉。

Blood from the medulla enters short, stout, thin - walled veins.

髓质血流汇入粗而短的薄壁静脉。

This is a tumor arising in the adrenal medulla--a pheochromocytoma.

这是源于肾上腺髓质的肿瘤--嗜铬细胞瘤。