Ho laola bohareng ba penile erection: karolo ea motsoako oa phallo ea hypothalamus (2005)

Prog Neurobiol. 2005 May;76(1):1-21.

Argiolas A, Melis MR.

HO ITHUTA KA BOPHELO - PDF

mohloli o moholo

Bernard B. Brodie Lefapha la Neuroscience, Setsi sa Botle bakeng sa Neurobiology of Addictions, Univesithi ea Cagliari, SP Sestu-Monserrato Km 0.700, 09042 Monserrato, Cagliari, Italy. [imeile e sirelelitsoe]

inahaneloang

Nero ea "patventricular" ea hypothalamus ke setsi sa kopanyo pakeng tsa methapo ea methapo e bohareng le e poteletseng ea methapo ea kutlo. E kenella mesebetsing e mengata ho tloha ho fepa, ho leka-lekanya metabolic, khatello ea mali le sekhahla sa pelo, ho sebetsa ho erectile le boitšoaro ba thobalano.

Ka ho khetheha, sehlopha sa li-neurone tsa oxytocinergic tse hlahang ka har'a nko ena le ho fihla libakeng tsa boko tse eketsehileng (mohlala, hippocampus, medulla oblongata le lesapo la lesapo la mokokotlo) laola penile erection ho likhoto tsa banna. Ts'ebetso ea li-neurons tsena ka dopamine le agonists ea eona, amino acid e thabisang (N-methyl-D-aspartic acid) kapa oxytocin ka boeona, kapa ka ho susumetsoa ke motlakase ho lebisa ho penile erection. ha lithibelo tsa bona tsa gamma-amino-butyric acid (GABA) le li-agonists tsa eona kapa ka li-peptide tsa opioid le lithethefatsi tse kang opiate li thibela karabelo ena ea thobalano.

Ts'ebetso ea li-neuron tsena e kenella tšebetsong ea nitric oxide synthase, e hlahisang nitric oxide. Nitric oxide le eona e baka, ka mochine o e-so ho tsejoe, ho lokolloa ha oxytocin libakeng tsa boko bo eketsehileng. Metsoako e meng e sa tsoa sibolla hore e thusa ho hlophisa penile erection ka ho kenya tšebetsong methapo ea kutlo ea oxytocinergic ke li-peptide analogues tsa hexarelin, hormone ea kholo e ntšetsang peptide, li-peptide tse hlahisitsoeng ke VGF, li-peptides tsa methapo tse ka hlahisoang ke methapo ea methapo ea kutlo e amanang le methapo ea sele ea oxytocinergic. , mohanyetsi oa li-receptor oa "cannabinoid CB141716", hape, ha a ts'episehe, adrenocorticotropin-melanocyte-e tsosang li-hormone (ACTH-MSH) -related peptides.

Paraventricular oxytocinergic neurons le mekhoa e ts'oanang le eona e kentse letsoho ho e-ba teng ha penile ho etsahala maemong a 'mele. e leng li-erecontact tse tsoakileng tse etsahalang ho likhoto tsa banna moo ho nang le mosali ea amohelang molaetsa, le nakong ea papiso.

Liphumano tsena li bonts'a hore karolo ea "patrate" ea "hypothalamus" e bapala karolo ea bohlokoa taolong ea ts'ebetso ea erectile le liketso tsa thobalano.. Jwalo ka Rate ea monna ke mohlala oa boits'oaro ba thobalano le penile physiology, e ntseng e eketseha haholo lilemong tsa ho qetela tsebo ea rona ea mesebetsi ea ho potoloha le e bohareng e laolang tšebetso ea erectile (dLimmete tse eketsang ho qhekella ho likhoto tsa banna hangata li etsa joalo ho monna), liphetho tse kaholimo li ka ba le bohlokoa bo boholo ho latela pono ea motho bakeng sa kalafo ea ho senyeha ha erectile.


 

 

Setšoantšo sa boholo bo felletseng (15 K)

Setšoantšo sa 1. Neuroanatomy ea lisebelisoa tsa setho sa botšehali: kemiso ea merero. Ha ts'usumetso ea thobalano e fihla mothapong o ka sehlohlolong oa ts'ebetso ea methapo, e kenya ts'ebetsong mekhoa ea neural ho fihlela joale e sa tsejoe e ikarabellang bakeng sa thobalano. Tsena li tsamaea ho tsoa bokong, haholo-holo ho tsoa ho hypothalamus le nuclei (sebaka sa medial preoptic le nucleventricular nucleus), ka medulla oblongata le thapo ea lesapo la mokokotlo, ho ea lisebelisoa tsa botšehali. Sena se hlalositsoe haholo-holo ke methapo ea kutlo ea mokokotlo, e simolohang mokhoeng oa lesapo la mokokotlo mme e na le methapo ea kutlo e tsamaeang le methapo e kenang botoneng, le methapo ea kutlo, e nang le methapo ea kutlo e ntle ea kutloelo-bohloko le parasympathetic e simolohileng ho methapo ea kutlo ea pelvic. . Tsena li ngotsoe kahare ke methapo ea hypogastric, e simolohang mohloling oa thoracic-lumbar oa lesapo la lesapo la mokokotlo, ka methapo ea kutlo e tsoang mokokotlong oa lesapo la lesapo la mokokotlo, le likhoele tsa post-gangliar, tse tsoang mokokotlong oa "gangvertebral" o utloisang bohloko oa "gangver" pampitsana ea thoracic-lumbar ea lesapo la mokokotlo.


 

Setšoantšo sa boholo bo felletseng (10 K)
Setšoantšo sa 2. Semiatic kemiso ea li-oxytocinergic neurons, tse simolohang mokokotlong oa "hypothalamus" le projeke ea libaka tsa boko tse eketsehileng tsa "hypothalamic" le mokokotlo. Ts'ebetso ea li-neurons tsena ke dopamine, li-amino acid tse matla, oxytocin ka boeona, li-peptide tsa hexarelin le li-peptides tse hlahisitsoeng ke li-prox VGF kapa li-blockade tsa cannabinoid CB1 receptors li ka lebisa ho kenella ha penile, tse ka fokotsang le / kapa ho felisoa ke ts'usumetso. ea li-opioid le li-GABAergic receptors. Ts'ebetso ea li-neuron tsa oxytocinergic e sebetsa ka mor'a ts'ebetso ea nitric oxide-synthase e teng litsong tsena tsa methapo. Ebile nitric oxide e tsoang nakong e fetileng e thehiloe ke ts'usumetso ea dopamine, li-amino acid kapa li-oxytocin receptors kapa li-oxide tsa kantle, joalo ka ha li hlahisoa ke bafani ba nitric oxide ba fanoeng ka kotloloho ka mokelikeli oa paraventricular, ho hlahisa li-oxytocinergic neurons ka mochine o seng o sa tsejoe. Sena se etsa hore le phallo ea oxytocin libakeng tsa bokaholimo hole le "pateli" ea "penile" e eketsang penile erection. Mekhoa e ts'oanang le e hlalositsoeng kaholimo e sebetsa le ha penile erection e etsahala maemong a mmele, e leng, joalo ka ha likhoto tsa banna li beoa ka pela mosali ea amohelang kapa nakong ea kemiso.