Ilm

Neytron (anglisi neutron, az lotini neuter — na inu na on, ishoratash p), zarrai elementarii khunso (bezaryad)-i massai sukunatash tp = = (1,674920±0,000011) • 10 kg, spinash 1/2/ (bo vohidhoi h =h/2P ), in jo h— sobitai Plank va momen­ti magnitiash Rt — — (1,91315±; 0,00007). Mya (Mya—magnetoni yadro). Neytronro …

Nekrobakterioz, nekroba­sillyoz, kasalii siroyatii hayvonot. Dar shakli nekrozi boftakhoi gunogun zokhir megardad. Angezandai Nekrobakterioz (Dact. necrophorum)-ro avvalin bor soli 1881 R. Kokh muayyal namudaast. Ba Nekrobakterioz hayvonoti khojagii qishloq va aksa- ri hayvonoti vahshi, bazan odam va parrandaho niz siroyat meyoband. Manbai siroyat hayvonoti kasal me­boshad. Mikrob ba organizm ba …

Nekk (ae angl, neck — gardan), jismi silindrshakli dar plan ellipsmonand, ki az jinsi effuzivi tarkib yoftaast. Nekk dar qismi boloii surokhi (gardanai) vulqon az sakht shuda mondani lavai galiz ba vujud meoyad. Badi farsudan va shusta shudani jinshoi atrofash Nekk dar rui zamin khamchun sutuni alohidae boqi memonad.

Nemaniho (Nemannp), sulolaest dar Serbiyai asrhoi miyona (nimai duyumi asri 12—1371). Saravlodi on jupani kabir (jupan — sardori vohidi mamuriyu territoriyavi). Rashki Stefan Neman (solhoi hukmroni taqriban 1170—96) ba davlati yagonai feodali dar Serbiya asos guzoshtaast (ba nom davlati Nemaniho). Namoyandagoni digari on; pisari Nemani ju­pani kabir Stefan Pervovenchanniy (1196—1227) …

Nematodozho, bemorihoi odam, hayvonot va rastani, ki nematodaho ba vujud meorand. Nematodaho dar aksari uzvu boftahoi odamu hayvonot (mushak, jigar, gurda, medayu ruda va gayra) va qismhoi rastani (resha, poya va barg) paraziti mekunand. Nematodozho 2 khel meshavand: geonematodozho (angezandai onho dar muhiti beruna — khok, ob va gayra inkishof …

Nejon (Naigeon) Jak Andre (15. 7. 1738, Parij —28. 2. 1810, hamon jo), faylasufi materialist, ateis­ti fransavi, namoyandai mutaakhkhiri maorifparvaron. Soli 1795 azoi In­stituti Fransiya, 1803 azoi Akademiyai Fransiya bud. Nejon kotib va hamkori nazdiki P. Golbakh buda, dar tayyor namudani asarhoi «Sistemai tabiat», «Masehiyati foshshuda» va gayra faolona ishtirok …

Neyron (az yun. neuron — pay, asab), nevron, hujayrai asab, vohidi asosii funksionali va strukturii sistemam asab. Signalhoi az reseptorho oyandaro qabul karda ba nughoi tasirpaziri asab. ki faoliyati uzvhoi kori (mushak, hujayrahoi gadudho va gayra)-ro idora menamoyand, intiqol mekunad. Neyron ba misli hamai hujayrahoi zinda maynacha va protoplazma dorad. …

Neyropsikhologiya, sohai psi­khologiya, ki prosesshoi psikhikii asosi mayna va aloqai onhoro bo sistemahoi alohidai magzi cap meomuzad. Psikhologiyai idealisti dar tuli asrho tasdiq mekard. ki prosesshoi mayna (fiziologi) va shuurnoki (psikhologi) bevosita ba hamdigar yo barobar, yo ba tariqi tasiri muayyani tarafayn, vale mustaqilona jori meshavand. Masalai nevrologii kliniki oid …

Neyrokhirurgiya, ilmi klinikiest, ki nazariyayu amaliyai tashkhis va bo rohi jarrohi tabobat kardani bemorihoi sistemai asabro meomuzad. Neyrokhirurgiya sohahoi zerinro dar bar me­girad: neyroonkologiya, neyrotravmatologiya, neyroangiologiya va gayra. Neyrokhirurgiya chun ilmi mustaqil dar avvali asri 20 judo shud. Avvalin jarrohii ney­rokhirurgi — trepanasiya (kushodani kosakhonai sar)-i odam hanuz dar asri …

Nekrobioz (az yun. nekros — murda va biosia — hayot, tarzi hayot), tagyirote, ki dar hujayra pesh az Nobudshavii on ruy medihad. Nekrobioz ba vayronshavii mubodilai moddaho vo-basta ast. Alomathoi khosi Nekrobioz tagyiryobii yadroi hujayra (burmashavi, ba qismho judoshavi va halshavii yadroi hujayra), vayronshavii galizii protoplazma va gayra meboshand.