乳头层

结论该改良法ADM用于异种移植的最大优势在于无基底膜及真皮乳头层存在，抗原成分进一步降低。

CONCLUSION : The ADM prepared by the improved method reveals an important characteristic : there is no basement membrane and dermal papillary layer , and less amounts of xenogeneic antigens are retained than that prepared by the other two methods .

结果原纤维的表面存在着周期约为67nm凹凸结构，原纤维的直径57～135nm，在猪皮组织的乳头层、网状层和下网状层间存在很大差异；

Results Microscopy revealed that pigskin collagen fibril had periodic transverse groove ( i. e. D periodicity ) which was about 67 nm . The diameter of fibril ranged from 57 to 135 nm , showing much difference among the papillary layer , reticular layer and infra reticular layer .

真皮乳头层毛细血管Lv显著高于真皮网状层（P<0.001）。

Statistically significantly ( P < 0 . 001 ) higher capillary Lv was found in the papillary dermis than in the reticular dermis .

使用OCT技术可以实现组织光学特性参数及一些结构信息的测量，同时OCT的穿透深度足以提供皮肤表皮和真皮乳头层的信息，因此OCT是实现无损测量和研究皮肤的有效手段。

An OCT can be used to measure the optical parameters and the structure of tissue . The penetration depth of OCT is sufficient to provide high-resolution images of the epidermis and papillary dermis .

皮瓣血管网分六层：乳头层；

The vessel networks in the flap consist of six layers , the papilla ;

真皮乳头层内上皮钉突间见黄色瘤样细胞（泡沫细胞）浸润。

The hallmark xanthoma cells deposited in the papillary dermis between the rete ridges .

手鱼际部皮肤乳头层血管形态的扫描电镜观察

The observation of the vessel construction about the papillary layer of thenar and hypothenar with SEM

测量了表皮、乳头层、中间层及网状层的厚度；

Criteria measured were : thicknesses of epidermis , papillary layers , inter-mediate layer and reticular layer ;

组织学变化：超声辐照后第1天，表皮完好，真皮乳头层水肿，轻度充血。

Microscopic changes : edema and gentle hyperemia exist in papillary layer of dermis 1 day later .

组织学：辐照后，表皮内水疱，真皮乳头层充血水肿，随剂量的增加水疱及充血水肿变明显。

Microscopic changes : spongiosis and blisters formed in epidermis , hyperemia and edema existed in papillary layer of dermis .

结果：大鼠肛梳区的毛细淋巴管见于真皮乳头层，网状层、皮下组织、肌间可见到比较丰富毛细淋巴管和淋巴管。

RESULTS : There were comparatively plentiful capillary lymphatic vessels in the dermal papilla layer , reticular layer , hypodermis and inter-muscles .

结果（1）真皮乳头层内神经多分布在表皮下和血管丛附近。

Results ( 1 ) Cutaneous nerves were found below the epidermis and around the vascular plexus in the papilary layer of dermis .

温度觉、痛觉、痒觉由无髓鞘神经纤维传导，它们终止于真皮乳头层和毛囊周围。

Temperature , pain , and itch sensation are transmitted by unmyelinated nerve fibers which terminate in the papillary dermis and around hair follicles .

微血管网可分为5层：（1）乳头层网：可见排列整齐的皮纹血管及乳头毛细血管；

The microvessel networks contained five layers , that is , ( 1 ) the papillary : the capillary loops aligned with the skin-print ;

结果表明：新生尕里巴牛犊皮表皮层薄；乳头层与网状层分界清晰；

The result shows that epidermis layer is thinner than that of other animal , the dividing ling is clear between papillary layer and reticular layer .

结果表明澳洲美利奴羊皮表皮很薄，只有整张皮厚度的082%-131%，而真皮层较厚，其乳头层占到真皮层厚度的50%-75%左右。

The results showed that the epidermis of Australia Merino sheepskin is fairly thin ; it is only approx. 0.82 % - 1.13 % to the whole skin .

妊娠75～85天真皮逐渐分化出乳头层和网状层，妊娠120～135天结构基本稳定。

The dermis divides into the papilla and reticular layer gradually on 85 days after pregnancy . Skin construction is stable from 120 to 135 days after pregnancy .

真皮乳头层较疏松，染色较淡，其下为网织层，较增生性瘢痕和瘢痕疙瘩薄，较致密，见粗大的胶原，染色深，较不规则，并可见毛细血管闭锁。

The dermal papilla is looser ; the reticular layer is thinner and denser than that in hypertrophic scar and keloid , dark stained collagen and atretic capillary could be seen .

组织病理学检查：角化过度、角质层内及角质层下裂隙，角质层内可见变性坏死的中性粒细胞和角蛋白碎屑，棘层细胞及真皮乳头层轻度水肿，嗜酸性粒细胞少见。

The skin biopsy showed hyperkeratosis of the stratum corneum and intracorneal and subcorneal cleft containing polymorphonuclear leucocytes , sparse eosinophils , and keratinous debris with mild edema of the epidermis and papillary dermis .

本文报道了一种用酶水解表皮与真皮的连接，然后用扫描电镜观察微小损伤在真皮乳头层的损伤特点的新方法。

This paper presents a new method of separating the junction between the epidermis and the dermis with enzyme , and then , observing the small wound of the papillary of the dermis by means of SEM .

结果：类高内皮微静脉主要分布于乳头层和癌周围。

Results : In the earlier stage of melanoma , there were a lot of high endothelium venule-like blood vessels with many lymphocytes passing through the wall of them in the papillary layer and around the cancer .

指出，在足跟部皮肤乳头层内血管网分6种类型，并对在乳头下层、真皮深层、浅筋膜层和深筋膜层内的微血管构筑特点及分布规律做了描述。

Our conclusion is that : there are 6 types of vascular network in the papillary layer of skin . We also described the vascular construction of the sub papillary layer , the subcutaneous layer and the deeP fascia .

在乳头层和网状层的分界处，胶原纤维稀少并且编织疏松，使得两层之间的连接较弱，如果处理不当会导致两层分离。

At the boundary between the papillary layer and reticular layer , the collagen fiber has a small quantity and its weave is loose , which weakens the connection of this two layers , if treated improperly , the skin would tend to separate into two layers .

光镜：术后7天见真皮乳头及网状层，表皮较薄但见柱状排列整齐的生发层细胞，有较多毛囊、皮脂腺。

Optics microscope showed : On the seventh day after operation dermic papillary and reticular layer existed , the epidermis was thinner but germinative layer cells arrayed tidily like pillar , and there were many hair follicle and sebaceous gland .

方法利用显微外科技术分离15～18天龄胎鼠的单根胡须毛囊并对毛乳头进行组织培养，获取毛囊乳头层细胞；

Methods The whiskers hair follicles were isolated from 15-18 days murine embryo by using microsurgery technique and the FPCs were cultured in vitro .

不规则型。2.乳头下层网：呈不规则的多角形，其走行方向与皮肤表面平行，口径较乳头层网粗。

The network in the subpapillary layer is polygon-like , parallel to the surface of skin .