blood-air barrier
气-血屏障（blood-air barrier）是肺泡和血液气体间交换所要通过的结构。
由肺泡表面液体层、I型肺泡细胞与基膜、薄层结缔组织、毛细血管基膜与内皮组成。
由肺泡表面液体层、I型肺泡细胞与基膜、薄层结缔组织、毛细血管基膜与内皮组成。
举一反三
- blood - testis barrier中最重要的结构是
- The small air sacs in the lungs through which gases are exchanged between the atmosphere and the blood are the __.
- Which of these functions cannot be attributed to the mucous membrane that lines the nasal cavity? A: warms incoming air B: filters particles from incoming air C: moistens incoming air D: initial gas exchange between air and blood occurs here
- Structure of blood testis barrier, excluding: A: capillary endothelium and basement membrane B: connective tissue C: seminiferous basement membrane D: spermatogonium E: close connection of Sertoli cells
- blood-testis barrier
内容
- 0
which type of epithelium is thin and leaky and lines blood vessels and the air sacs of the lungs A: Stratified squamous epithelium B: Cuboidal epithelium C: Simple squamous epithelium D: Simple columnar epithelium
- 1
gastric mucosal barrier
- 2
堡礁（barrier reef）
- 3
The main function of calcitonin is A: increase blood calcium and blood phosphorus B: decrease blood calcium and blood phosphorus C: decrease blood calcium and increase blood phosphorus D: increase blood calcium and decrease blood phosphorus E: involve in the normal calcium regulation
- 4
Placenta barrier (placenta membrane)