The methods were applied to study the face of tunica mucosa of the Trionyx sinensis.

该方法用于研究中华鳖消化道粘膜表面。

Tunica adventitia: entirely made of connective tissue.

外膜：完全由结缔组织构成。

Such eggs within the tunica albuginea is very easy to strip.

在白膜这种鸡蛋是很容易剥离。

The promeristem in the shoot apex consists of tunica, corpus and leaf primordium.

苗端的原分生组织由原套、原体和叶原基组成。

Inadequate cell nutrition around vessels causes degeneration of tunica adventitia.

血管周围细胞的营养不足，引起外膜的变性。