Bio1AL_labeled_photos_ReproDev

Bio1AL_labeled_photos_ReproDev - pregnant female (note...

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Unformatted text preview: pregnant female (note embryos have amniotic sacs, placental connections, and are within two uteruses) \ ‘I note: the surrounding uterus is not present in this image. - . x L - \ .3 f f -‘ interstitial cells (produce testosterone) ' a ; ._ I “k \ {A I I r] I I . n . . . l ' y . I .' . i .' a. '._‘ I ‘ _ v n , ‘ . a K L . I ‘ I ‘., . ‘Q p I. I , . . O ,. O \ i - I I C a seminiferous tubule interstitial lls (produce testosterone) ' . Testes Ores-Section F” :’ ' O. -||a 5,1." l ' ' ‘ Croetion of Ova Showing -'~"eal Different Sta es f FonularDlo - ment "(3 immature fomcle ‘ t... g o;- . . I ' C ‘ . J - f v Ne...- » - ~ - 4v. Q ' ' , -’ I -.' o. . ‘ ' V . r a ' ' _ v : I mature follicle (note: plane does not include the ovum) toga. , I ' 1,. I :.‘- l h . o . o , . ‘ ‘ “ .~ mature follicle ' _ ~ ' “1 (space = antrum) - ‘ I ‘ . ..“‘ 4‘ . ‘(4L .. r‘.._,’ . «A .i .i :" 'r..1"", vrm U r ‘ _ ‘ ture flile ‘n r in . a1. ‘ x 4‘ J14 . .&« V \- . L o r . . . wfi — r f I. h W at I 4 O 1 1 “do.” 0‘. I! 1 O 1 n . V Van‘ba a c . . . . H. I. u 5 ma . ‘ M 1"‘ ’. 'I l corpus luteum (secretes srogen and progesterone) Fertilized Sea Urchin Egg 1 l . 2‘09" Stage ' (note: bilateral symmetry) Larval Sta o ..a Frog Eggs (8 cell) note: unequal cell sizes, meroblastic cleavage Frog Eggs 1. morula stage (solid ball) or blastula stage (blastocoel within) -- a cross-section would reveal the absence (morula) or presence (blastula) of a blastocoel 2. gastrula stage ‘ 3. neurula stage Cross-Section of Neurula Stage dorsal hollow neural tube forming notochord pharynx (note: pharyngeal slits) notochord dorsal hollow nerve cord anterior end post-anal tail posterior end note: divisions of the brain allantois dorsal hollow nerve Cord lateral body fold \ notochord used for gas exchange \ \ {4' .“\ \ a - u. \ f, / \' 1 -\ -. ' :.\. iii-.31},- . \ z_ ’ ‘t i, . \ at ‘\_ 1 Fruit Fly: E o ‘ Fruit Fly: Larval Stae Fruit Fly: Pupal Stage ' Fruit Fly; Adult Stage ...
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This note was uploaded on 08/01/2008 for the course BIO 1A taught by Professor Schlissel during the Spring '08 term at University of California, Berkeley.

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Bio1AL_labeled_photos_ReproDev - pregnant female (note...

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