The incus sits between the other two bones, known as ossicles, of the middle ear. The malleus (“hammer”) is the outermost bone and the stapes (“stirrup”) is the innermost. The ossicles are part of the ...

Skeletal stem cells have been isolated from various tissues, including periosteum and bone marrow, where they exhibit key functions in bone biology and hematopoiesis, respectively. The role of ...

Basically, your outer ear "catches" sound waves, which are funneled through your ear canal. The sound waves then vibrate your tympanic membrane, which causes the ossicles to move, stimulating very ...

The L. family has lived in Massachusetts for several generations on the paternal side. The mother was born in Massachusetts; her parents came from Canada, and 2 of her grandparents were English.

标准成年人体骨架共由206块骨骼构成。若将胸骨分成三块（胸骨柄、本体、剑突）计算，则骨骼数会稍多，变成208块。 [1] 若计入舌骨与中耳的听小骨，则头骨共有29块。 脊柱由椎骨组成，分为五段。成人脊柱一般包含26块骨骼，儿童则有34节椎骨。 [注 2] 颈椎 ...