Lecture 11b - I LII! el en eeerine sweet gland in the...

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Unformatted text preview: I LII! el en eeerine sweet gland in the dermis. In the transverse and elJligue seedens of me sailed segrelerii perliert ESE} ef the mm. Sflfl'fllflfl' eefls have a relatieely pele cytoplasm and herder a Intermittent eentral lumen. Several smaller. mere {Eerie-3.I stained prehies er the duet [Du] are seen with Ihelr sitaraeteitsee desele pubertal epthetium. Sun pane-rig dermis eenteirre abundant capillaries map]. 23522:. rise. '1 Higher magnifieefim Ll'll emitting details of en eeerine sweat gland. Lightrstarning, WFEII'IIflal secretary eells me} line the lumen of a secretary aetrrus. Clear cells and dth cells are net readilyI distinguished he see. Profiles ef deride stained myeeptheliel eells {lily} are aretne tl‘e pens-here. the deulele rut-eieel epithelium comprises the small duct {Hui in the upper right. Surrounding areas eentam a rich neiwerlt et capillaries [Esp]. 5813 it. Ila? 1! Llleianaeinus element gland. This staining medred distinguishes derlt sells {DB} from sleet sens [BC] in the seetetertr aeinus Surrounding rrreeepiihelial sells lily] at the ease of the seinus share a basement r'I'IEITI‘JTEIHE with seen-degr cells. BEIIIIx em Irishman. {El Elem-tier. Beetle Er lilahirnee: Nether“: Essential Hislzrzilngtir — www.5tudentmnsult.:em skin. These glanee etare meretipne. and secretory tirade-at {at line this dilated eeareterlr aeil. Neigh— ttprlnp eeeretprtr ttrpulee [STl appear relatively empty. Lapse mnnectitre tissue eurrpurrde the gland. 145:4. treat. IF Higher magnifieafirrrt I.” at the secretary part at an epeen'rre surreal gland. Seme eeeretary cells appear flattened. but ptrrere new. a mare eulrreitial enape and apical tape that prejeel me: the lumen [.l. Surraunrlirtp epnaeetirre tieaue aantairte eealteree eerie anti email plead t'ESSrEIS. 25px. lee. El Elee'rrier. matte Er ltlahlrnep: Heater“: Essential Hielzrzrlrzlrgrlr — www.5tur1erttcensult.cem 1' mm at a mum-113mm unit and innervation oi skln. Ha Ir Ffl‘hilt'fiillfi gland .M. '.-u-..._ i. thl all a hair and its initial: mar the epidermis in immerse mfi-nn. The cortex [if the hat: Cu and internal . . . . . . . mat Sheath external mm SHEEN-I was; mild fibEmlE rm! 1 I." {If fllll'l 5km (If “E mlld. 1'5. hail and [IE fUIIIdE HIE SEE“ ||'| sheath tFIiSJ at the hair fullifle are shhhrn. The medulta at the 'WHM'HE' Wit?" 1'“? “3" 5W! Emeifiii [mm a” iniifl'natifl" '3‘ the Widirmis hair shaft is nut present at this travel. The imensahr ahsinhnnilic ‘EPJI “5 “Wt 9113'1‘3'5 “'1” “HUEHFWQ HEWIE- “19 Em?an FW'E SHEEN"! (5353 UT “13 m l - m I ,1 m r m l I h follicle is continuous with EIJitiErmis. fine ttf the sebaceous giands {56] in the gin-El: Erma:31.1%“;ngEmkfiniériggtsfighfih: titermis upens min the Una-Er part 01 thtt hair EUHICIE. The hair matrix [HMJ at the connect“. “flue. EEK HE 250x. thttthhmmh.trtahmm:tm (El Elseflu'ier. (halite BL Nahirneh: Hatters Essential Hiifllflgf — www.5tudmtconsult.mm F “MEWS lll'llt. Epidermis —-[ Hair shaft Sebaeeous gland and its dual Attetzteur pili muscle Hair cortex Hat: medulla . . l‘talrflutlrle H u: let.r layer Hertha laws-r -tnternst reel sheath EsteMal reel sheath 0 1 'll - ernla pal 3 Hnir bull} «d thl at thin altin close to the epidermis. l-tn atreetm ptli rnusete {AP} arttl an modeled ptteeehaeews unit are stratum sectioned tangentially. Because of the section level. the halr shalt is not seen. A sebaceous gland {5E} and its fleet {arrow} seen mm the upper end ef a hair telliele {HF}. The external met sheafl1 {Ella} is continuous with the epidermis {lap} on the surface. The arrectat plti muscle in the unsethring e‘ennis {De} extenes estimme item the ease tat the hair follicle to the papilla” dermis. fillet. see. l Ell at par! 91 a hair and ils inllinle in muse sautiunJI. thln EufiEIE Surrounds me medulla and GENE! of the hair shafl. The mama! mi shealh mnrains the L‘LIfiL'IE. “WW later wim prmninent nwwafin glanules. anti Heme flasher mm dear, rlaalemd null; llm [menial 1cm Sine.th Is a rrmltilawred eni1helunn. (503%. Thu Insm IS a mmnnin mam; seclun MairLeclwaln Hui-dine blue 1313;: in Ihe :ecLanme seen in me EM). arm. [El Elmier. mmle BL Nahirnev: Hatters Emential Hislzczlngryr — www.5tudmtconsult.:nrn 4| Ltd of a pllosehaoeous unit. The base of the hair follicle tHFl has a terminal ethan sion—the hair bulb. An associated sebaceous gland ESEt contains pate cells that show progressiue enlargement and disintegration as they empty into a duct tmt at the upper end oi the folliide. An optical artifact causes the hair shaft emanating from the hair follicle matrnt to appear yellow. Surrounding dermis {Del is dense irregular connective tissue. 255x. rel: I- Llll ot a sebaoeous gland and an arrestor pill muscle in the dermis. Peripheral who or the sebaoemis gland tSE] are small and flattened; center cells are larger and appear loamy because ol lipid A delicate capsule terms} surrounds the gland. iii bundle of closely packed smooth muscle cells makes up the arreotor pili muscle {AP}. is small nenre tasoicle tilt lies nearby. The arrector muscles are innenrated by postganglionic sympathetic nerue fibers. Contraction oi smooth muscle causes slight erection of the associated hair. which produces goose bumps on the sltin sortaoe. Because the shooter muscles are closely associated with sebaceous glands. they also help expel sebum onto the hall. 295x. less. Ell Elem-titer. matte Bi Nahlrney: Hatters Essential Hliology — www.5tuderttconsutt.cont 1 EH of part of a schema gland. 5lTla|| nucleated cells with euehrernelie nuelei Em] in me penpneni at the gland SEWE' as enumerating stem cells. A Illin easement mernbmne cuuele Inern menu. A lelge eebeeeuue cell in the center eunleine rrlen';1 prominent lipid mulere, which wrrcund a central nucleus. The cells u llimately ureeu deem and add Ineir enntenle te myseereiury prenuet. SEWITI I'fldLlCBS water 5055 fl'CIITI tl'lEl Skin SUI'IEBE end IUtIEiEEIBB hair fl may also plDtEllit akin ff'lill'l'l infectiun with battens. SUD-Dre. IE: Elseuler. male BL Mahlrneu: New: Essentlfi mining? — www.5tufientconsultxum I’remimal nail Prexirnal nail I'eld matrix «I LIII of part at a fetal phat-am: in longitudinal seetien. The nail [anew] deueleps similarly in the hair telliele. as a thickened lmpln atieh pt epidermis- 93s. HSE. Cuticle I.t.lI"lLllEI Hall plate Burial nail plate IVentral nail plate Distal phalanx Hypenyehiurn 1" CITIES section. Nail bed EpDI‘i}‘E‘lIltlT‘l"-l Dersal nail plate -....._______‘ 1|.i'entraii nail Lateral nail plate. greeee ii. LM at a fetal nail in Inngi'tudinat seetien. The epdnyehiurn {En} er- “ Is a superficial layer at epidermis lhat eventually depenerates. eseepl at the base where it persists as the eutiele. The nail plate HIP} eehsisls pl intenser eesinephiiie keratin and is IZlElhtETl hem germinative cells in the nail matrix {HM}. The nail bed. er hypphyehiurh lHjli. underlies the nail plate. it is sinilar la the epidermis Except that its dermal papillae are parallel is the nail surlaee. This lpngitupinal prienlalien aileas the plate te mere euterard. The undedyinp dermis the} is hip hi1.r eellular. 35):. Half. The average " ' " ‘- grewth et' , - - - teenails is aid-nut IITIITI 1 The preeinul nail matrix a menth- 9-1."; generates the dersal layer at the _ nail plater and the distal matrix The rednded shape at the free generates the ventral layer. 9‘53? '5" the “HHS l5 tilt-'TMEF' M“ the shape ef the lentil-a. Alter aeelsiee et a nailr the free edge at the new ene grews parallel tn the lunula. re: Else'rier. Desire a Mahlmee: Nether“: Ementlal I-tlitslegyr - wwwetudenteensutteem ‘l' Pswiasis: typical dishihufinn. Groin J and I genmlla Knee Nail 1! mlul appearam 01' Manama insinns {Flam balm}. Hand and nails Surfaue "Silva" wait: Erythemaluus base M icrmbsoeu Persistence of nuclei strewn-I comeum (pa rakeratusisi Increased mitulic activilr indicative of high celi lumen-er mle Elongaled rete pegs and dermnl papillae Dilation and turtuasity of papilan resale- Edema and inflammation afflermis Ilmreased numbEI oi Langethans cells wch .—-"rii‘- {El Elsevler. mile 31 Mahlrnev: Hetlaa‘s Essential Hlsl:n:.~lu:n;r.ur ‘ www.5tuda1tcenwlt.cnm ...
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Lecture 11b - I LII! el en eeerine sweet gland in the...

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