Mid-1800s - Beginning research of Embryo
1908 211; ‘Stem Cell’ from Alexander Maksimov
1963 211; Self reproducing cell
1978 211; Found Blood stem cell
1981 - Embryonic stem cell
1998 - Human's embryonic stem cell
2001211; First human embryo cloning
(중략)
2.1 Adult Stem Cell - How?From Bone Marrow
HSCs and MSCs are rich in b
there are some people who only use Apple’s products and other products which are compatible with Apple’s products, such as speakers, desk lamps and other home appliances. There is even a term describing these kinds of Apple fans: Apple Zealots.
Based on these facts, we can identify that the consumers of Apple have higher brand loyalty towards the brand than those of other brands.
2) 원인
외상의 경우를 제외한 지주막하 출혈의 원인으로는
①뇌동맥류의 파열 ②뇌동정맥기형의 출혈 ③내경동맥 혹은 척추동맥의 박리(dissection)
④뇌종양 출혈 ⑤뇌혈관염 ⑥혈액응고이상 ⑦경막정맥동 혈전증 ⑧척추 동정맥기형의 출혈 ⑨중뇌주위 비동맥류성 지주막하출혈 등 여러 가지가 있