either of the two main branches of the trachea (尤指肺两侧的)支气管 crackle /'krækəl/ v.. make crunching noises 发出噼啪声 stethoscope /'steθəˌskəʊp/ v. a medical instrument for listening to the sounds generated inside the body 听诊器 lobar /'ləʊbə/ adj. ...
2.ZoologyOne of the internal respiratory tubes of insects and some other terrestrial arthropods, which are connected to the spiracles and are used for gas exchange. 3.BotanyA tracheary element. [Middle Englishtrache, from Medieval Latintrāchēa, from Late Latintrāchīa, from Greek(artēriā) tr...
In the left lung, the left middle lobe is formed by the first bronchiole of the lateral bronchiole system. This bronchiole divides into two branches, each of which forms a lobule. The remaining bronchioles constitute the left caudal lobe as in the right lung. The branches of pulmonary ...
Branching:The trachea branches into two main bronchi, which further divide into smaller bronchioles, leading to the lungs and facilitating air distribution. Difference between Esophagus and Trachea Summary The esophagus and trachea differ in several aspects. The esophagus is a muscular tube that transpor...
Angiosperm tree species, by contrast, feature both tracheids and tracheae, also called ‘vessels’. Vessels are larger diameter conduits composed of a whole series of cells that lost intermittent cell walls, with individual vessels connected by both, pits and so-called perforation plates, that ...
one of two large air passages which branch from the trachea and take air to and from the lungs 支气管 无 chamber /ˈtʃeɪm bər/ n. the receptacle where liquid asthma medication is placed, also called nebuliser bowl 喷雾器皿 无 chronic /ˈkrɒn ɪk/ adj. having a ...
The trachea is the long flexible tube that joins the bronchi to the larynx (voice box). It aids in breathing and is also known as a windpipe. The mucosa is a substance that lines the thick rings of cartilage that make up the trachea. ...
First we are going to look at the anatomy of the cervical vertebra as a basic structure of these regions. Here we see the seven cervical vertebrae that forms part of the...here neck. The first two have a very different configuration than the other five vertebrae in the first C1 or atlas...
beginning with the nose or mouth. It travels to the chest cavity through thetrachea, which divides into two bronchi, each of which enters a lung. The bronchi divide and subdivide into a network of countless tubules. The smallest tubules, or bronchioles, enter cup-shaped air sacs known as al...
for 7–12 days. During this feeding and maturation period, the nematode enters feeding wounds in the bark of the smaller branches. The nematodes feed on the lining of the tracheids, disrupting water flow, and susceptible trees wilt and die as a result of the nematode damage to the phloem....