Bio 12 Kevin Ivan Chan 200747565 100% correct tadpole Structures, Its Origin, Fate and Functions! Functions! Woot woot! Ectodermal Derivatives The Central Nervous System Brain STRUCTURE ORIGIN Prosencephalon Neural Tube #uure sie o$ Neural Tube elencephalon #uure sie o$ Neural Tube &iencephalon
FATE Telencephalon, diencephalon Telencephalon% cerebral he"isphere Thala"us, diencephalon, h!pohalaus
'esencephalon
Neural Tube
pic lobes
/ho"bencephalon
Neural Tube
'!elencephalon 'eencephalon
Other Structures Associated ith the Brain STRUCTURE ORIGIN Prosocoel Neurocoel
'a(or rela! saion $or sensor! in$or"aion on is )a! o he cerebru"* re+ulaion o$ bod! e"peraure and )aer balance -isual and audior! re$le. ceners 'uscle Coordinaion conrols respiraion, breahin+ rae,ec "uscle coordinaion
Telocoel
Neurocoel
&iocoel
Neurocoel
piph!sis In$undibulu"
Neural Tube Neural Tube
Pineal bod! Poserior piuiar! +land
3!poph!sis
Neural Tube
nerior piuiar! +land
'esocoel /ho"bocoel
Neurocoel Neurocoel
ueduc o$ !lvius 4h ve venricle
Neural Tube
nerior choroids ple.us
FUNCTION Co""unicaes )ih cavi! o$ he ol$acor! bulbs, passa+e)a! o$ C# Co""unicaes )ih cavi! o$ he ol$acor! bulbs, passa+e)a! o$ C# Co""unicaes )ih he laeral venricles hru he #ora"en o$ 'onro, passa+e)a! o$ C# ecrees "elaonin ecrees o.!ocin, anidiureic hor"one, vasocin, "esoocin ecrees prolacin, +ro)h hor"one, leueniin+ hor"one, #3 Connecs caviies o$ opic lobes Coninues poseriorl! )ih he cavi! o$ he spinal cord, passa+e)a! o$ C# Produces C#
Neural Tube Neural Tube
'!elencephalon Poserior Choroid ple.us
Involunar! coordinaion Produce C#
nerior Choroid Ple.us Basal Plaes Poserior Choroid
FATE 1s and 2nd venricle o$ cerebral he"isphere 1s and 2nd venricle o$ cerebral he"isphere rd venricle o$ cerebral he"isphere
FUNCTION Cenral nervous s!se" Conrols volunar! "uscles "ove"en
Ple.us pinal Cord
Neural Tube
Cenral Canal Neurocoel The !eri"heral Nervous System Eye STRUCTURE ORIGIN pic Cup Neural Tube Pi+"ened piheliu" Neural Tube /eina Neural Tube pic ens pider"al coder" Ear STRUCTURE ORIGIN ic -esicles pider"al c coder" Ol#actory Or$ans STRUCTURE ORIGIN l$acor! piheliu" pider"al coder" l$acor! Canal pider"al coder" .ernal Nares pider"al coder" Inernal Nares pider"al coder"
Cranial Nerves STRUCTURE cousico9$acialis :an+lion
ORIGIN Neural Cres
pinal cord
.ends o he spinal nerves )hich are $or sensor! and "oor $uncions Passa+e o$ C#
Cenral canal
FATE Ir i s Pi+"ened epiheliu" /eina pic lens
FUNCTION Conains lens and reina uer"os la!er o$ cells Conains rods and cones #ocus li+h ra!s ono reina b! re$racion
FATE acculus 8 uriculus Inner ars
FUNCTION #or hearin+ and euilibriu"
FATE l$acor! epiheliu" Choanal canal .ernal nares Inernal nares
FUNCTION inin+ o$ ol$acor! canal "ellin+ penin+ o he e.erior .enion o$ ubular openin+ $ro" e.ernal nares o phar!n.
FATE #acial ;-II< udior! nerves ;-III< :lossophar!n+eal ;I=< nerve
:lossophar!n+eal :an+lion pic Nerve
Neural Cres Neural Cres
pic nerve ;II<
Tri+e"inal :an+lion
Neural Cres
Tri+e"inal nerve ;-<
STRUCTURE pider"is
ORIGIN pider"al coder"
FATE pider"is o$ >in
'elanophores
Neural Cres
'elanophores
FUNCTION sensor! and "oor, relaed o ase buds and $acial "uscles innervae uriculus and sacculus ;sensor!< branhces o $irs branchial arch ends si+nals o he brain o reco+nie )ha )as $ocused on he reina end branches o "andibular and "a.illar! processes o$ 1s visceral arch
S%in FUNCTION uer coverin+ o$ he bod! ? $or proecion a+ains abrasion Conains "elanin ha +ives he s>in color
Additional Structures STRUCTURE ral uc>ers ral Cavi! o"odeu" &epression
ORIGIN pider"al coder" /upurin+ o$ ral Plae pider"al coder"
FATE &isappears 'ouh cavi! inin+ o$ "ouh cavi!
FUNCTION adhesion In+esion o$ pra! inin+ $or buccal cavi!
The Endodermal Derivatives The Fore$ut Res"iratory System STRUCTURE Phar!n. Phar!n+eal Po Pouch
.ernal :ills
&un$s STRUCTURE un+ Buds Trachea Thyroid STRUCTURE Th!roid :land
Di$estive System STRUCTURE sopha+us o"ach iver :allbladder The 'id$ut
ORIGIN Pri"iive +u Pri"iive +u +u ;endoder"al eva+inaion< Pri"iive +u ;endoder"al eva+inaion<
FATE Phar!n. 'iddle ear, usachian ube, parah!roid
&isappears
ORIGIN ndoder" Pri"iive +u
FATE un+s Trachea
ORIGIN ndoder"
Th!roid +land
ORIGIN Pri"iive :u
sopha+us
Pri"iive :u
o"ach
Pri"iive :u Pri"iive :u
iver :allbladder
FUNCTION Pah)a! o$ di+esion and respiraion usachian ? per"is pressure eualiaion on boh sides o$ !"panic "e"brane* Parah!roid ? secrees he parah!roid hor"one :as e.chan+e ;#or respiraion<
FUNCTION #or respiraion @ind pipe ? passa+e)a! o$ air
FATE
FUNCTION ecrees h!ro.in
FATE
FUNCTION Tube )here $ood passes hrou+h in +oin+ o he so"ach @here di+esion occurs, releases en!"es )hich are used $or brea>in+ do)n $ood ecree bile, re"oves o.in ores bile
STRUCTURE 'id+u Aol> The (ind$ut STRUCTURE 3ind+u Cloaca nus Notochord STRUCTURE Noochord
ORIGIN rcheneron ndoder"
FATE &uodenu", "all inesine &isappears
FUNCTION 'ain sie o$ di+esion Nuriens sored in he e++
ORIGIN rcheneron
FATE ar+e inesine
Pri"iive :u
Cloaca
rea o$ blasopore
nus
FUNCTION #urher brea>do)n o$ indi+esed "aerial b! bacerial acion and )aer absorpion Tube )hich connecs he lar+e inesine and he anus .rudes +a"ees and $eces $eces
ORIGIN Chorda"esoder"
&isappears
FATE
FUNCTION .ial suppor
The 'esodermal Derivatives E"imere S%eleton and 'uscles STRUCTURE &er"ao"e
ORIGIN pi"ere ;" ;"esench!"e<
'!oo"e
pi"ere ;"esench!"e<
cleroo"e
pi"ere ;"esench!"e<
Bra Branchi nchio" o"er eric ic 'usc uscles les pi" pi"er ere e ;"es ;"esen enc ch!" h!"e<
FATE &er"is, co connecive i issue la la!ers o$ s>in .ial "uscles 8 "uscles o$ he bac> .ial >eleon
Bran Branc chio" hio"er eric ic "us "uscles cles
FUNCTION Conains chro"aophores )hich +ives he color o$ he $ro+ uppors he bod! uppors he head, ches and bac>, includes he verebral colu"n, s>ull, sernu" and ribs 'usc uscles les oper opera ain in+ + he he splan planc chnoc hnocra rani niu" u"
S%ull STRUCTURE Parachor hordal Carila+e Prechordal%Trabecular Carila+e )isceral Arches STRUCTURE -isceral rches 3!pobranchial Carila+e 'esomere
ORIGIN pi"e i"ere ;"esench!" h!"e< pi"er pi"ere e ;"esen ;"esench! ch!"e< "e<
FATE #loor o$ chondrocraniu" Chondr Chondrocr ocrani aniu"% u"% inr inrana anasal sal pla plae e
FUNCTION uppors he $loor o$ he crani aniu" 3ouses 3ouses he brai brain n and audi audior or! ! or+an or+ans s and pariall! surroundin+ he e!es and ol$acor! or+ans
ORIGIN pi"ere ;"esench!"e< pi"e i"ere
FATE -isceral s>eleon Par o$ viscera eral s>ele leon
FUNCTION uppors he phar!n. 'oves and sabilies lar!n. and h!o h!oid
E*cretory System STRUCTURE Pronephros Kidne!
FUNCTION #ilraion o$ urine
'eso"ere
FATE &isappears and is replaced b! "esonepric >idne! "esonepric duc
(y"omere Coelom STRUCTURE Pericardial Cavi! Parieal Pe Pericardiu" -isceral Pericardiu"
ORIGIN Coelo" o"aic 'esoder" planchnic 'esoder"
FATE Pericardial cavi! Parieal pericardiu" -isceral pericardiu"
Perioneal Cavi! Parieal Perioneu" -isc iscera eral Per Perion ioneu eu" "
o"aic 'esoder" pla planc nchn hnic ic 'es 'esod oder er" "
Pleuroperioneal cavi! Parieal perioneu" -iscer scera al peri perio one neu" u" and and s" s"ooh ooh "uscle o$ +u
FUNCTION urrounds he hear eparaes he )all $ro" he cavi! isel$ eparaes he hear $ro" he pericardial cavi!* proecs he hear and holds i in places Bod! cavi! surroundin+ viscera eparaes )all $ro" he cavi! 3olds and proecs he visceral or+ans* separaes he or+ans $ro" he cavi!
Pronephros &uc
Aortic Arches STRUCTURE $$eren Branchial -essels
ORIGIN 'eso"ere
planchnic 'esoder"
FATE Ine Inern rnal al caro caroi id, d, rd and 4h branchial vessels, pul"onar! arch .e .ern rnal al caro caroi id, d, 2nd,rd and 4h branchial vessels, pul"onar! arch &orsal aora
FUNCTION inernal caroid 9 supplies blood o he brain and deep head srucures* branchial ? supplies blood o ar" e.ernal caroid9 supplies blood o on+ue and $loor o$ he "ouh* branchial ? supplies blood o ar" upplies blood o he lu"bar%bac> re+ion, >idne!s and uro+enial s!se"
STRUCTURE Truncus reriousus
ORIGIN planchnic 'esoder"
FATE Truncus areriosus
Bulbus%Conus reriosus riu"
planchnic 'esoder"
Conus areriosus
FUNCTION /eceives lo) o.!+en blood $ro" ri+h venricle and o.!+en rich blood $ro" l e$ venricle erves as a base $or all areries
planchnic 'esoder"
/i+h
-enricle
planchnic 'esoder"
le$ ariu" -enricle
$$eren Branchial -essels &orsal ora
ORIGIN pla planc nchn hnic ic 'esod esoder er" "
connecs he pri"iive >idne! bod! o he cloaca and serves as he anla+e $or cerain "ale reproducive or+ans
pla planc nchn hnic ic 'esod esoder er" "
(eart
e$ ariu" 9 receives blood $ro" he or+ans o$ he bod! ri+h ariu" ? receives blood $ro" he lun+s Pu"ps blood ino conus areriosus
Co"" Co""on on Card Cardin inal al -ei -ein n
plan planch chnic nic 'eso 'esoder der" "
inus -enosus
planchnic 'esoder"
Other !arts o# the Circulatory System STRUCTURE ORIGIN nerior Cardinal -ein -ein planchnic 'esoder"
ne neri rior or vena vena cav cava a and and por porio ions ns o$ pos cava inus venosus
FATE u+ular subclavian vein
Pos Poser erior ior Card Cardin inal al -ei -ein n
plan planch chnic nic 'eso 'esoder der" "
Caudal er! Caudal -ein :ill :ill Capi Capill llar arie ies s
planchnic 'esoder" planchnic 'esoder" plan planch chnic nic 'eso 'esoder der" "
'os 'os de+en de+ener era ae e re" re"ai ains ns $ro" $ro" he pos cava &isappears &isappears &isa &isapp ppea ears rs
ners he anero9laeral o$ he sinus venosus Incorporaes he sinoarial node )hich conrols and re+ulaes he hear ;pace"a>er< FUNCTION u+ular vein ? drains blood $ro" he on+ue and lo)er (a) subclavian vein ? drains blood $ro" he enire $oreli"b 'a(or draina+e channal $ro" caudal par o$ he bod! upplies blood o he ail I drains he ail :as :as e.ch e.chan an+e +e
ources &b nlineD ;nDdD bio 12
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