What is Infertility?
NOT being able to get pregnant after one year of
trying without birth control
(Six months, if a woman is 35 or older)
(Women who can get pregnant, but are unable to
stay pregnant may also be included)
Causes in either sex
Genetic factors(disorders in making sperm or eggs)
-Y Chromosome Micro Deletion cause sperm abnormality
- Pituit
Ⅰ. 기관지의 구조
좌측의 길이가 5cm, 직경이 10-14mm, 우측에 비해 경사가 완만하고 우측은 2.5cm의 길이, 12-16mm의 직경으로 경사가 급격하고 좌측보다 넓고 짧다.
1. 1차 기관지
기관의 하단에서 좌우로 갈라지고, 우기관지는 좌기관지에 비해 약간 굵고 수직 각도로 분지한다. 벽 내에 연골이 존재하
of high school and many high school graduates don’t go on college.
The gradual, but major, physical changes do not help to clarify the issue. We’ll deal with adolescent’s physical, psychological and social issue.
Puberty is marked by the sudden enlargement of the reproductive organs and sexual genitalia and the development of secondary sex characteristics.
2. Physical changes in adol
...............
80%: cholesterol stones
20%: pigment stones
유병률: 4.25% (서양보다 약간 낮다)
Lack of depth perception
View controlled by camera
operator
More difficult to control
hemorrhage
Decreased tactile discrimination
Potential CO2 insufflation
complication
Adhesions / inflammation
limit use
Slight increase in bile duct
injury
중략.............
in much the same manner as bacteria are grown. Sufficient media consist of agar and the usual mix of macronutrients and micronutrients for the given cell type. For plant cells, enrichment with nitrogen, phosphorus, and potassium is especially important. Water is provided as a constituent part of the gel media.
Uses
A plant cell callus consists of somatic undifferentiated cells from an adult sub
순환하는 한 계속되며 균열은 최대 인장응력의 수직방향을 따라서 성장한다.
균열전파 성장률은 매우 작아서 매 사이클당 〖10〗^(-8)에서 〖10〗^(-4)in 이지만 매우 많은 사이클을 통해 성장해간다.
Fig. 2 알루미늄 합금의 균열표면에서 피로 줄무늬
Fig. 3 피로파괴 모식도