Nekton (az yun. nektos — shinovar), majmui hayvonhoe, ki dar ob zindagi karda, khub shino mekunand. Ba Nekton mohi, kalmarho, belpoyho, morhoi obi; sangpusht, pingvin va gayra mansuband. Uzvhoi harakati onho nagz inkishof yoftaast.

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. …

Neki va badi kategoriyahoi tuuri akhloki, ki shaklhoi mutaqobilai (musbatu manfii) raftoru amoli odamon va hodisadhoi ijtimoiro ifoda mekunand. Dar tarikhi etika az qadim tamoyuloti materialisti va idealisti dar tabiri mohiyati Neki va badi ba ham zid budand. Materializm in mafhumhoro bo talabot va manfiathoi insoni, qonunhoi tabiat, khohishu niyati …

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 …

Neman, lit. N ya m u n a s, belo­rusi—Nyoman, Nemanes, daryoest dar RSSB, RSS Litva qisman dar qad-qadi sarhadi viloyati Kaliningradi RSFSR. Tulash 973 kilometr, masohat. havzaash 98200 km2. Sarobi daryo dar janubi balandii Minsk voqe gashtaast. Neman az pastii Neman jori shuda, ba khaliji Kurshii bahri Baltika merezad …

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.

Nekroz (yun. nekrosis — karakhtshavi, behisshavi az nekros — murda), karakhtshavii (murdani) hujayra, bofta yo uzvhoi alohidai orga­nizmi zinda. Vobasta ba sababhoi paydoishash Nekroz jarohati (sarmo za­dan, sukhtan), neyrotrofi (hangomi bemorim asab, siringomneliya — bemorii muzmini avjgirandai siste­mai asab), ishemi (infarkt, gangre­na), zahri (sifilis va sil) va allergi (hangomi bemorihoi …

Nektar (yun. nektar), 1) dar asotiri Yunoni Qadim sharbate budaast ba misoli nushdoru, ki faqat khudoyon menushidaand; 2) moey shirini shahddon. Nig. niz Gulshahd.

Nevrasteniya (az nevr… va as­teniya), bemorii sistemai asab, ki dar natijai az mehnati durudarozi fikri monda shudan, kam khob kar­dan, azobi ruhi kashidan, muntazam ruy dodani voqeahoi nokhush ba vujud meoyad. Siroyat, intoksikatsiya (badmasti, tamokukashi), vayronshavii faoliyati gadudhoi endokrini, norasoii khurok va gayra, ki organizmro sust mskuiand, niz boisi ba …