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Àíãëèéñêèé ÿçûê äëÿ ìåäèêîâ. Neck (êîíñïåêò ëåêöèé)

Êîíñïåêòû ëåêöèé, øïàðãàëêè

Ñïðàâî÷íèê / Êîíñïåêòû ëåêöèé, øïàðãàëêè

Êîììåíòàðèè ê ñòàòüå Êîììåíòàðèè ê ñòàòüå

Îãëàâëåíèå (ðàçâåðíóòü)

ËÅÊÖÈß ¹ 13. Neck

Cervical vertebrae: There are seven cervical vertebrae of which the first two are atypical. All cervical vertebrae have openings in their transverse processes, the foramina transversaria which, when aligned, produce a canal that transmits the vertbral artery and vein.

Atlas: This is the first cervical vertebra (C1). It has no body and leaves a space to accommodate the dens of the second cervical vertebra. Axis: This is the second cervical vertebra (C2). It has a tooth-shaped process, the dens (odontoid process), which articulates with the atlas as a pivot joint. Movement at this joint allows lateral rotation of the head. Hyoid bone is a small U-shaped bone, which is suspended by muscles and ligaments at the level of vertebra C3. It occupies the angle of the throat that separates the neck from the floor oral cavity.

Laryngeal prominence is formed by the lamina of the thyroid cartilage. It is more prominent in men than in women and children.

Cricoid cartilage. The arch of the cricoid, another laryngeal cartilage, is palpable below the thyroid cartilage and superior to the first tracheal ring (vertebral level C6). Triangles of the neck: The neck is divided into a posterior and an arterior triangle by the sternocleidomasto-id muscle. These triangles are subdivided by smaller muscles into six smaller triangles. Posterior triangle is bound by the sternocleidomasto-id, the clavicle, and the trapezius. The floor of the posterior triangle is formed by the splenius capitis, the levator scapulae, and the medial and posterior scalene muscles. Occipital triangle is located above the inferior belly of the omohyoid muscle. Its contents include the following: CN XI is the cranial nerve that supplies motor innervation to the tra-pezius and sternocleidomastoid muscles Cutaneous branches of the cervical plexus are the lesser occipital, great auricular, transverse cervical, and supaclavicular nerves.

Subclavian (omoclavicular, supraclavicular) triangle is located below the inferior belly of the omohyoid. Its contents include the following: Brachial plexus supraclavicular portion - roots, trunk the branches of which enter this region from behind the scalenus anterior muscle. The branches include the dorsal scapular, long thoracic, sub-clavius, and suprascapular nerves.

The third part of the subclavian artery enters the subclavian triangle from behind the scalenus anterior muscle anterior to the brachial plexus. Branches include the transverse cervical and suprascapular arteries.

The subclavian vein passes superficial to scalenus anterior muscle. It receives the external jugular vein, a superficial vein that crosses the sternocleidomastoid muscle.

Anterior triangle is bound by the sternocleidomastoid muse the mid-line of the neck, and the inferior border of the body of the mandible. Muscular triangle is bound by the sternocleidomastoid muscle, the superior belly of the omohyoid muscle, and the midline of the neck. Its contents include the infrahyoid (strap) muscles, which function to control movements the hyoid bone and larynx during speech and deglutition (swallowing). Carotid (vascular) triangle is bound by the ster-nocleidomastoid muscle, the superior belly of the omohyoid muscle and the posterior belly of the digastric muscle. The carotid triangle contains the following: Internal jugular vein; Common carotid artery, bifurcates at the upper border of the thyroid cartilage (i. e., vertebral level C3) to form the internal and external carotid arteries. The external carotid artery has six branches (i. e., the superior thyroid; the ascending pharyngeal, the lingual, the facial, the occipital, and the posterior auricular arteries). The supply structures of the neck and face; vagus nerve; hypoglossal nerve; internal and external laryngeal branches of the superior laryngeal branch of the vagus nerve. The internal laryge-al nerve conveys sensory information from the laryngeal mucosa above the level of the vocal folds, and the external laryngeal nerve supplies motor fibers to the cricothyroid, an intrinsic muscle of the larynx. Digastric (submandibular) triangle is bound by the anterior and posterior bellies of the digastric muscle and the inferi or border of the body of the mandible. The floor of this tri angle is formed by the hyoglos-sus and mylohyoid muscles. It contains the submandibular salivary gland. Submental triangle is bound by the anterior belly of the digastric muscle, the hyoid bone, and the midline of the neck. The floor of this triangle is formed by the mylohyoid muscle. It contains the submental lymph nodes. Root of neck: This area communicates with the superior medi astinum through the thoracic inlet. Structures of the region include the following: subclavian artery and vein. The subclavian artery passes poste rior to the scalenus anterior muscle, and the vein passes ante rior to it. Branches of the artery include: vertebral artery; thyrocervical trunk, which gives rise to the inferior thyroid, the transverse cervical, and the suprascapular arteries; Internal thoracic artery.

Phrenic nerve is a branch of the cervical plexus, which arises from C3, C4, and C5. It is the sole motor nerve to the diaphragm. It crosses the anterior scalene muscle from lateral to medial to enter the thoracic inlet.

Recurrent laryngeal nerve is a branch of the vagus nerve. This mixed nerve conveys sensory information from the laryngeal; mucosa below the level of the vocal folds and provides motor innervation to all the intrinsic muscles of the larynx except the cricothyroid muscle.

Thoracic duct terminates at the junction of the left subclavian and the left internal jugular veins. On the right side of the body, the right lymphatic duct terminates in a similar fashion.

Fascias of the neck: Superficial investing fascia encloses the platys-ma, a muscle of facial expression, which has migrated to the neck.

Deep investing fascia surrounds the trapezius and sternoclei - do-mastoid muscles.

Retropharyngeal (visceral) fascia surrounds the pharynx.

Prevertebral fascia invests the prevertebral muscles of the nee (i. e., longus colli, longus capitis). This layer gives rise to a derivative known as the alar fascia.

The major muscle groups and their innervations. A simple method of organizing the muscles of the neck is based on two basic principles: (1) The muscles may be arranged in group according to their functions; and (2) all muscles in a group share common innervation with one exception in each group.

Group 1: Muscles of the tongue. All intrinsic muscles plus all but one of the extrinsic muscles (i. e., those containing the suffix, glossus) of the tongue are supplied by CN XII. The one exception is palatoglos-sus, which is supplied by CN X.

Group 2: Muscles of the larynx. All but one of the intrinsic muscles of the larynx are supplied by the recurrent laryngeal branch of the vagus nerve. The sole exception is the cricothyroid muscle, which is supplied by the external laryngeal branch of the vagus.

Group 3: Muscles of the pharynx. All but one of the longitudinal and circular muscles of the pharynx are supplied by CNs X and XI (cranial portion). The sole exception is the stylopharyngeus muscle, which is supplied by CN IX.

Group 4: Muscles of the soft palate. All but one of the muscles of the palate are supplied by CNs X and XI (cranial portion). The sole exception is the tensor veli palatini, which is supplied CN V3.

Group 5: Infrahyoid muscles. All but one of the infrahyoid muscles are supplied by the ansa cervicalis of the cervical olexus (C1, C2, and C3). The exception is the thyrohyoid, which is supplied by a branch of C1. (This branch of C1 also supplies the geniohyoid muscle).

New words

neck - øåÿ

cervical - öåðâèêàëüíûé

vertebrae - ïîçâîíî÷íèê

transverse - ïîïåðå÷íûé

artery - àðòåðèÿ

vein - âåíà

atlas - àòëàíò (ïåðâûé øåéíûé ïîçâîíîê)

axis - îñü

movement - äâèæåíèå

joint - ñóñòàâ

to allow - ïîçâîëÿòü

lateral - áîêîâîé

rotation - âðàùåíèå

head - ãîëîâà

cricoid cartilage - ïåðñòíåâèäíûé õðÿù ãîðòàíè

posterior - ñëåäóþùèé

triangle - òðåóãîëüíèê

subdivided - ïîäðàçäåëåí

scapulae - ëîïàòêà

medial - ìåäèàëüíûé

scalene - ëåñòíè÷íàÿ ìûøöà

brachial plexus - ïëå÷åâîå ñïëåòåíèå

to receive - ïîëó÷àòü

vagus nerve - áëóæäàþùèé íåðâ

hypoglossal nerve - ïîäúÿçû÷íûé íåðâ

laryngeal branches - ãîðòàííûå âåòâè

Çàïîìíèòå ñëåäóþùèå çàñòûâøèå ñëîâîñî÷åòàíèÿ.

Çàñòûâøèå ñëîâîñî÷åòàíèÿ Òàáëèöà 3.

Çàïîëíèòå ïðîïóñêè, ãäå íåîáõîäèìî.

1. Every day my husband goes to... work, my son goes to... school and I go to... institute.

2. There is... new school at... corner of our street.

3. My daughter came... home from... school on. Monday and said to me: "There will be... parentsmeeting on... tenth of February at six o'clock in... evening.

4... teacher told us... very interest ing story at... lesson.

5. When... bell rang, pupils went into... classroom.

6. We are usually at... school from nine o'clock in... morning till two o'clock in... afternoon.

7. We don't go to... school on... Sunday.

8. What do you do after... breakfast? - After... breakfast I go to... school.

9. My granny likes to read I... book after... lunch.

10... people usually have... breakfast in... morning.

11. They have. dinner in. afternoon.

12. In... evening... people have.supper.

13. Who cooks... dinner in your family?

14. Yesterday father told us... very interesting story at... breakfast.

15. What did you have for... lunch at... school Wednesday?

16. We had... salad and. tea.

17. My mother never has... supper with... family.

18. She does not like to eat in... evening.

19. When do you clean your teeth in... morning: before breakfast or after. breakfast?

20. Usually I have... tea for... lunch.

Answer the questions.

1. How many vertebrae are in the cervical vertebrae?

2. How many of them are atypical?

3. How is the first cervical vertebra called?

4. How is the second cervical vertebra called?

5. What does the second cervical vertebra have?

6. What movement pivot joint allows to do?

7. What is the form of hyoid bone?

8. Where is subclavian triangle located?

9. With help of what is digastric triangle bound by?

10. What are the fascias of the neck?

Make the sentences of your own using the new words (10 sentences).

Find the definite and indefinite articles in the text.

Àâòîð: Åëåíà Áåëèêîâà

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Êîíå÷íî, ðîñò ìîáèëüíîãî ðûíêà ñîïðîâîæäàåòñÿ ñîêðàùåíèåì ðàçìåðîâ ðûíêà òðàäèöèîííûõ òåëåôîíîâ: ÷èñëî ïîëüçîâàòåëåé ñòàöèîíàðíûõ òåëåôîíîâ çà ïåðâûå 4 ìåñÿöà 2012 ãîäà ñîêðàòèëîñü áîëåå ÷åì íà ìèëëèîí, ñîñòàâèâ îêîëî 283 758 000 ÷åëîâåê. Îäíàêî â öåëîì òåëåêîììóíèêàöèîííûé áèçíåñ Êèòàÿ ïðîäîëæàåò óâåðåííûé ðîñò: â ïåðâîé ÷åòâåðòè ãîäà îáùèå äîõîäû ñîñòàâèëè îêîëî $66 ìëðä, ÷òî íà 14,8% áîëüøå ïîêàçàòåëåé ïðîøëîãî ãîäà.

Êñòàòè, åù¸ â ÿíâàðå ýòîãî ãîäà Êèòàé ñîîáùèë î ïðåîäîëåíèè äðóãîãî âàæíîãî ðóáåæà: êîëè÷åñòâî ïîëüçîâàòåëåé Èíòåðíåòà â ñòðàíå ïðåâûñèëî 500 ìëí ÷åëîâåê. Áåç ñîìíåíèÿ, ðîñò ÷èñëà âëàäåëüöåâ ñìàðòôîíîâ â Êèòàå, îñîáåííî ñ ïîääåðæêîé 3G, áóäåò îáåñïå÷èâàòü è óâåëè÷åíèå ïîëüçîâàòåëåé Ñåòè.

Êàê ñîîáùàåò êèòàéñêàÿ àíàëèòè÷åñêàÿ êîìïàíèÿ Sino Market Research, â àïðåëå íà ðûíêå 3G-ñìàðòôîíîâ ïðåîáëàäàëà ïî ÷èñëó ïðîäàæ êîðåéñêàÿ Samsung ñ äîëåé 22,75%, à âîò ïîçèöèè ÷åòûð¸õ äðóãèõ êîìïàíèé â ïÿò¸ðêå ëèäåðîâ áûëè ïðåäñòàâëåíû ìåñòíûìè ìàðêàìè. Ðå÷ü èä¸ò î Coolpad ñ äîëåé 11,17%, Huawei ñ 10,92%, Lenovo ñ 10,21% è ZTE ñ 9,28%. Ñðåäè ïðî÷èõ çàðóáåæíûõ êîìïàíèé â îò÷¸òå óïîìèíàåòñÿ Apple ñ äîëåé 8,52%, Motorola Mobility ñ 4,14%, Nokia ñ 3,95% è HTC ñ 2,82%.

Ðàñòóùåå ïðèñóòñòâèå ìåñòíûõ ìàðîê íà ðûíêå 3G-ñìàðòôîíîâ Êèòàÿ, êàê ñîîáùàåòñÿ, îáóñëîâëåíî ïðåèìóùåñòâåííî ïðîäàæàìè àïïàðàòîâ ñðåäíåãî è íà÷àëüíîãî óðîâíÿ â ðàìêàõ êîíòðàêòíûõ ïðåäëîæåíèé ñîòîâûõ îïåðàòîðîâ China Mobile, China Telecom è China Unicom.

Äðóãèå èíòåðåñíûå íîâîñòè:

▪ Âêëþ÷åíèå è îòêëþ÷åíèå îáæîðñòâà

▪ Áåññìåðòíûå êâàíòîâûå ÷àñòèöû

▪ Ïðîèñõîæäåíèå çîëîòà

▪ Ìèíèàòþðíûé ìóëüòèñèñòåìíûé GNSS-ìîäóëü Quectel L96-M33 ñ patch-àíòåííîé

▪ Âñåíàïðàâëåííàÿ àêóñòè÷åñêàÿ ñèñòåìà Archt One

Ëåíòà íîâîñòåé íàóêè è òåõíèêè, íîâèíîê ýëåêòðîíèêè

 

Èíòåðåñíûå ìàòåðèàëû Áåñïëàòíîé òåõíè÷åñêîé áèáëèîòåêè:

▪ ðàçäåë ñàéòà Èíñòðóìåíòû è ìåõàíèçìû äëÿ ñåëüñêîãî õîçÿéñòâà. Ïîäáîðêà ñòàòåé

▪ ñòàòüÿ Ìàëü÷èê äëÿ áèòüÿ. Êðûëàòîå âûðàæåíèå

▪ ñòàòüÿ Âûñòðåëèâàþò ëè äèêîáðàçû ñâîèìè èãëàìè? Ïîäðîáíûé îòâåò

▪ ñòàòüÿ Ýëåêòðîìîíòåð ïî ðåìîíòó âîçäóøíûõ ëèíèé ýëåêòðîïåðåäà÷è. Òèïîâàÿ èíñòðóêöèÿ ïî îõðàíå òðóäà

▪ ñòàòüÿ Ìàëîãàáàðèòíûé èíäèêàòîð íàâåäåíèÿ ñïóòíèêîâîé àíòåííû. Ýíöèêëîïåäèÿ ðàäèîýëåêòðîíèêè è ýëåêòðîòåõíèêè

▪ ñòàòüÿ Ïðåîáðàçîâàòåëü íàïðÿæåíèÿ, 12/22 âîëüòà 2 àìïåðà. Ýíöèêëîïåäèÿ ðàäèîýëåêòðîíèêè è ýëåêòðîòåõíèêè

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