在中央胡须龙 (Pogonavitticeps) 中的囊性 rete 丸
Graciela G Orantes1, Robert A Foster2, Todd R Cecil3
1Veterinary Pathology Services, Joint Pathology Center, BLG 161, 606 Stephen Sitter, Silver Spring, 20910, MD, USA.
Journal of comparative pathology
|July 29, 2025
概括
这项研究描述了爬行动物,特别是11岁的长胡子龙中第一个囊性状丸病例. 这种状况呈现为一个带有众多囊的凝肠质量,表明这种状况的初级形式.
科学领域:
- 兽医病理学 兽医病理学
- 爬行动物生殖生物学 爬行动物生殖生物学
- 比较解剖学的比较解剖学
背景情况:
- 试管网是精子运输至关重要的道网络,从精子管道到精子管道.
- 囊性 rete testis的特征是具有特定的上皮层和树皮特征的单位或多位细胞囊.
- 这种情况主要记录在哺乳动物物种中.
研究的目的:
- 为了记录和描述第一个报告的非哺乳动物脊椎动物中囊性 rete testis 的病例,一个中央胡子龙 (Pogona vitticeps).
- 通过组织学分析囊性质量,确定其潜在的来源和分类 (初级与二级).
主要方法:
- 从一个11岁的雄性胡须龙身上切除一块骨髓质的手术切除.
- 切除质量的粗体检查.
- 囊质量的组织病理学分析,包括囊内膜,肌层和与精子管管的关系.
- 在相邻的精卵管内评估精子生成.
主要成果:
- 鉴定了一种直径6厘米的黄色质体,由多个囊 (0.5-3.0厘米) 组成,充满了液体.
- 组织学揭示了由简单的立方体和平坦的上皮细胞嵌的囊,偶尔与精卵管连接.
- 大约10%的精管被扩张,但所有人都表现出正常的精子生成,没有炎症迹象.
- 这些发现与初级囊性丸结合,因为精子似乎能够逃脱.
结论:
- 这一病例代表了在爬行动物中首次记录的囊性 rete testis 的实例.
- 组织学特征和正常精子生成的存在表明主要病因,不同于二次阻塞.
- 这一发现扩大了爬行动物生殖病理的已知范围.
相关概念视频
01:19Testes: Gross Anatomy
3.1K
The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
3.1K
01:27Testes: Histology
1.5K
A tough, fibrous membrane, the tunica albuginea, covers the testes, extending inward to form fibrous partitions or septa, dividing them into internal compartments called lobules. Each lobule has 1 to 3 tightly coiled seminiferous tubules where sperm production occurs. These tubules merge into a tubular network at the back of the testis, known as the rete testis. It connects to 15 to 20 efferent ductules, leading to the epididymis.
The spermatogenic cells, responsible for producing sperm, are...
The spermatogenic cells, responsible for producing sperm, are...
1.5K
01:16Accessory Glands of the Male Reproductive System
2.0K
The accessory ducts involved in sperm maturation and transportation include the epididymides, vasa deferentia, ejaculatory ducts, and urethra. These ducts play a critical role in the maturation, storage, and transportation of sperm from the testes to the urethra, where it is then released during ejaculation.
The epididymis is a small, comma-shaped organ located at the back of each testicle. The epididymis can be divided into three main parts: the head, body, and tail. The head of the epididymis...
The epididymis is a small, comma-shaped organ located at the back of each testicle. The epididymis can be divided into three main parts: the head, body, and tail. The head of the epididymis...
2.0K
01:28Urologic Endoscopic Procedure: Cystoscopic Examination
358
Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
358