ËÅÊÖÈß ¹ 30. Nasopharynx and larynx
Nasopharynx is the first part of the pharynx.
It is lined by a pseudostratified, ciliated, columnar.
Epithelium with goblet cells: under the epithelium, a gland-containing connective tissue layer rests directly on the periosteum of the bone.
The cilia beat towards the oropharynx, which is composed of a stratified, squamous, nonkeratinized epithelium.
The pharyngeal tonsil, an aggregate of nodular and diffuse lymphatic tissue, is located on the posterior wall of the nasopharynx subjacent to the epithelium. Hypertrophy of this tissue as a result of chronic inflammation results in a condition known as adenoiditis. Larynx is a passageway that connects the pharynx to the trachea and contains the voicebox. Its walls are composed of cartilage held together by fibroela-stic connective tissue.
The mucous layer of the larynx forms two pairs of elastic tissue folds that extend into the lumen. The upper pair are called the vestibu-lar folds (or false vocal cords), and the lower pair con stitute the true vocal cords. The epithelium of the ventral side of the epiglottis and of the vocal cords is composed of stratified, squamous, nonkeratinized cells. The remainder of the larynx is lined with ciliated, pseudostrati-fied, columnar epithelium. All cilia, from the larynx to the lungs, beat upward toward the nasopharynx.
New words
nasopharynx - íîñîãëîòêà first - ñíà÷àëà
pseudostratified - ïñåâäîìíîãîñëîéíûé
ciliated - ñíàáæåííûé ðåñíè÷êàìè
columnar - êîëîíî÷íûé
epithelium - ýïèòåëèé
goblet cells - êóáè÷åñêèå êëåòêè
gland-containing - ñîäåðæàùèé æåëåçó
connective tissue - ñîåäèíèòåëüíàÿ òêàíü
layer - ñëîé
directly - íåïîñðåäñòâåííî
periosteum - íàäêîñòíèöà bone - êîñòü
cilia beat - ðåñíèöû áüþòñÿ
oropharynx - âåðõíÿÿ ÷àñòü ãëîòêè
stratified - ñòðàòèôèöèðîâàííûé
squamous - ÷åøóé÷àòûé
nonkeratinized - íåêåðèòèçèðîâàííûé
somewhere - ãäå-íèáóäü, êóäà-íèáóäü, ãäå-òî, êóäà-òî
Óïîòðåáëåíèå somewhere, anywhere, nowhere èëè everywhere
1. Óòâåðäèòåëüíàÿ ôîðìà: I saw this man somewhere.
2. Îòðèöàòåëüíàÿ ôîðìà:
I saw this man nowhere. I did not see this man anywhere.
3. Âîïðîñèòåëüíàÿ ôîðìà:
Did you see this I man anywhere?
Âñòàâüòå somewhere, anywhere, nowhere èëè everywhere.
1. I put my dictionary... yesterday.
2. I can't find my bag...
3. Of course, that is because you leave your books...
4. You must go... next summer.
5. Did you go... on Sunday?
6. Let's go...
7. I cannot find my glasses...
8. I always put me gloves... and then look for them for hours.
9. There are flags, banners and flowers... îï the streets.
10. I know that these books are.
11. Do you have... for breakfast?
12. I can find her.
Ïåðåâåäèòå íà àíãëèéñêèé ÿçûê.
1. Íà ñòîëå ÷òî-òî ëåæèò.
2. Íèêòî îá ýòîì íè÷åãî íå çíàåò.
3. Â ïàðêå âåçäå äåðåâüÿ è öâåòû.
4. Â òîé êîìíàòå êòî-òî åñòü.
5. Ìàðèíà æèâåò ãäå-òî â öåíòðå.
6. Òàì íèêîãî íåò.
7. Ó ìåíÿ íåñêîëüêî äðóçåé.
8. ß ìîãó æèòü âåçäå.
9. Ãäå-òî ñåé÷àñ òåïëî.
10. Îí íèãäå íå ìîã íàéòè êðàñíûå ðîçû.
Answer the questions.
1. What is the first part of the pharynx?
2. What is the nasopharynx lined by?
3. Where does a gland - containing connective tissue layer rest?
4. Where does the cilia beat?
5. What is oropharynx composed of?
6. What is located on the posterior wall of the nasopharynx?
7. What is the reason of adenoids?
8. What does the larynx connect?
9. What does the voicebox contain?
10. What is the voicebox composed of?
Make the sentences of your own using the new words (10 sentences).
Make the sentences of your own using somewhere, anywhere, nowhere èëè everywhere (10 sentences).
Find one word, which is a little bit different in meaning from others (íàéäèòå îäíî ñëîâî, êîòîðîå íåìíîãî îòëè÷àåòñÿ îò äðóãèõ ïî ñìûñëó):
1) a) nasopharynx; b) intestines; c) pharynx;
2) a) throat; b) trachea; c) feet;
3) a) Adam's apple; b) head; c) trachea;
4) a) lungs; b) coccyx; c) bronchi;
5) a) ear; b) tonsil; c) nose.
Àâòîð: Åëåíà Áåëèêîâà
<< Íàçàä: The nose
>> Âïåðåä: Trachea
Ðåêîìåíäóåì èíòåðåñíûå ñòàòüè ðàçäåëà Êîíñïåêòû ëåêöèé, øïàðãàëêè:
▪ Ìèðîâàÿ ýêîíîìèêà. Øïàðãàëêà
▪ Òåîðèÿ ãîñóäàðñòâà è ïðàâà. Øïàðãàëêà
▪ Ââåäåíèå â ïåäàãîãè÷åñêóþ äåÿòåëüíîñòü. Øïàðãàëêà
Ñìîòðèòå äðóãèå ñòàòüè ðàçäåëà Êîíñïåêòû ëåêöèé, øïàðãàëêè.
×èòàéòå è ïèøèòå ïîëåçíûå êîììåíòàðèè ê ýòîé ñòàòüå.
<< Íàçàä
Ïîñëåäíèå íîâîñòè íàóêè è òåõíèêè, íîâèíêè ýëåêòðîíèêè:
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Óñòðîéñòâî - íåáîëüøîé ýëåêðîñòèìóëÿòîð, êîòîðûé ïîìåùàåòñÿ â óõå. Èç óõà îí ïîñûëàåò ýëåêòðè÷åñêèå èìïóëüñû îäíîé èç âåòâåé áëóæäàþùåãî íåðâà. Èìïóëüñû íàñòîëüêî ñëàáûå, ÷òî ÷åëîâåê èõ íå ÷óâñòâóåò, à âîò áëóæäàþùèé íåðâ ÷óâñòâóåò. Òàêîé ñòèìóëÿòîð, êàê îêàçàëîñü, ïîìîãàåò óñëûøàòü èíîñòðàííûé, äàæå åñëè ýòîò èíîñòðàííûé - êèòàéñêèé.
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Äðóãèå èíòåðåñíûå íîâîñòè:
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Ëåíòà íîâîñòåé íàóêè è òåõíèêè, íîâèíîê ýëåêòðîíèêè
Èíòåðåñíûå ìàòåðèàëû Áåñïëàòíîé òåõíè÷åñêîé áèáëèîòåêè:
▪ ðàçäåë ñàéòà Âèäåîòåõíèêà. Ïîäáîðêà ñòàòåé
▪ ñòàòüÿ Òîâàðîâåäåíèå. Øïàðãàëêà
▪ ñòàòüÿ Êòî òàêèå àöòåêè? Ïîäðîáíûé îòâåò
▪ ñòàòüÿ Ëàêîíîñ ñúåäîáíûé. Ëåãåíäû, âûðàùèâàíèå, ñïîñîáû ïðèìåíåíèÿ
▪ ñòàòüÿ Âëàäåëüöàì ñïàðåííûõ òåëåôîíîâ. Ýíöèêëîïåäèÿ ðàäèîýëåêòðîíèêè è ýëåêòðîòåõíèêè
▪ ñòàòüÿ Ãðàìïëàñòèíêà ïðîòèâ ãðàâèòàöèè. Ñåêðåò ôîêóñà
Îñòàâüòå ñâîé êîììåíòàðèé ê ýòîé ñòàòüå:
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