基础医学英语课文翻译

【

Chapter 1

】

The connection can be so close that no movement is possible, as is the case in the skull. Other kinds

of joints permit movement: either back and forth in one plane

—

as with the hinge joint of the

elbow

—

or movement around a single axis

—

as with the pivot joint that permits the head to rotate.

顱骨不能運動

,

是由於骨與骨之間的連接太過緊密

.

但其他的關節可允許活動

,

如一個平面 上的

前後屈身運動

,

如肘關節

;

或是繞軸心旋轉運動

,

如樞軸點允許頭部轉動

.

The ends of these muscles are attached to different bones by connective tissue bands so that when

the muscle contracts, one bone moves in relation to the other. This makes it possible to move the

whole body, as when walking, or to move jus one part of the body, as when bending a finger.

結締組織是肌肉末端附著於不同的骨面上

,

所以當肌肉收縮時

,

兩骨彼此靠近而產生運動

.

這也

就使 整個人體可以運動起來

,

如走路

,

運動軀體某個部位

,

如彎曲手指

The heart is a muscle that is divided into two nearly identical halve: one half receives blood from

the lungs and sends it to the rest of the body, the other half sends blood that has traveled through the

body back to the lungs.

心臟是一 塊被分為幾乎對等兩半的肌肉

.

一辦吸收來自肺部的血液

,

並把血液運送到機體的其

餘部位

另一半使流經全身的血液回流入肺

.

The trachea divides to enter each of the two lungs and then divides more than 20 times to form a

very large number of small air spaces. Oxygen from the air enters the blood through capillaries in

the walls of these air spaces, and the blood releases carbon dioxide into the air spaces to be exhaled.

氣管分成左右支氣管

,

各連結左右肺

< br>,

左右之氣管在分支

20

多次< /p>

,

在終端形成大量為小的肺泡

.

從空氣攝取的氧氣流經這些肺泡壁內的毛喜血管流入血液

.

血液在經肺泡把釋放出的二氧化

碳排出體外

.

The urinary system maintains normal levels of water and of certain small molecules such as sodium

and potassium in the body. It does this by passing blood through the kidneys, two efficient filtering

organs that get rid of any excess of various molecules and conserve those molecules that are in short

supply.

泌尿系統維持水分及體內某些小分子物質

,

如鈉

`

鉀的正常 水平

.

身體是通過讓腎過濾血液來做

到 這一點的

.

腎是兩個有效的過濾器官

,

他濾出各種多餘的小分子物質

,

保留那 些供應不足的小

分子物質

.

A major gland is the pituitary, which is located under the brain in the middle of the head. It

produces at least eight hormones, which affect growth, kidney function, and development of the sex

organs.

腻垂體是一個主要的腺體< /p>

,

他位於頭中部腻下方

.

他至少分泌八種激素

,

這些激素對人體生長

腎

功能及性器官發育有影響

.

The female productive system is responsible for producing and transporting ova( the female sex

cells), eliminating ova from the body when they are not fertilized by sperm, nourishing and provid-

ing a place for growth of an embryo when an ovum is fertilized by sperm, and nourishing a

newborn child.

女性生殖系統產生