猫的泌尿生殖系统特性

作者：health521 来源：互联网通发布时间：2007-8-5 19:10:47

Body art from the West, male body is mainly a reflection of the strength of the United States. While the female body is mainly a reflection of the kind of a female-specific negative of tender.

Body art is static human form, does not contain sexual intercourse is exposed genitals or other to tease of limb movements. Good photographs focus on the human body is the use of light and shadow. The body was

naked from the arts, the human body art is not carnal desire , vulgar. Accurately speaking, and now, the "body art" is not very precise. Art classification is based on the auditory,

　　猫泌尿生殖系统由肾脏、输尿管、膀肮和尿道组成。肾脏呈蚕豆状，不分叶，位于腹腔脊报的两例，贴近背体壁、第三和第五腰椎之间。右肾比左肾稍靠前一些。肾重量为体重的 0.34%左右。肾被膜上有丰富的被膜静脉，这是猫窜所独有的特征。膀胱呈梨形，位于腹腔后方直肠的旗面。尿液在肾脏形成后，从肾乳头顶端进入肾孟，经输尿管下行进入膀胱，最后经尿道排出。猫24小时的排尿量为100毫升～200毫升，尿的密度为I.055克/cm。

　　公猫的生殖器官包括睾丸、附睾、输精管、前列腺、尿道、阴囊、阴茎、无精囊。精子在睾丸中形成，进入附睾中贮存。在交配射精时，精液经输精管和尿道由阴茎送入母猫阴道内。

　　母猫生殖器官包括卵巢、输卵管、子宫和阴道。卵子在卵巢内发育成熟，由输卵管进入子宫，在子宫中与公猫的精子相通结合而形成受精卵，使母猫怀孕。母猫腹面两例各有5个乳头，其中2个位于胸部，3个位于腹部

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