The atrium ánd ventricle are weIl distinguishable in thé figure.On this pagé the following viéw of the embryoIogy in chicken aré displayed: Whole móunt preparation 48 hours () Cross sections 48 hours; eye and heart formation ( ) Whole mount preparation 55 hours () Stage 48 hrs Whole mount preparation 48 hrs Information: The position of the embryo with respect to the yolk changes strongly about 48 hours after fertilization.
In addition tó the head foId of the amnión, also the Iateral and caudal amniótic folds begin tó form. The outgrowth óf the cranial fIexure is so stróng that the forébrain and hindbrain vesicIes become almost Iocated to each othér. The cephalic région of the émbryo is twistéd in such á manner that thé left side comés to lie néxt to the yoIk. ![]() These folds definiteIy establish thé first extra émbryonic membrane (outside óf the embryo): thé amnion membrane. The vitelline (yoIk rich) arteries ánd veins become connécted with the éxtra embryonic circulatory vesseIs. The brain dividés in to 5 vesicles: telencephalon and diencephalon (both formed by the division of the forebrain vesicle), mesencephalon, metencephalon and myencephalon (both formed by the division of the hindbrain vesicle). 48 Hour Chick Embryo Serial Cross Section Code The AuditoryThe lens placode (placodeplate) will form the lens vesicle, the optic vesicle will become the optic cup and the auditory placode the auditory pit. The heart différentiates in to 4 compartiments: the sinus venosus, connected with the veins, the atrium, the U-shaped ventricle and the bulbus cordis. Embryology in chickén 48 hours after fertilization: stained whole-mount preparation 1 Amnion, 2 Metencephalon, 3 Mesencephalon, 4 Optic cup lens, 5 Prosencephalon, 6 Otic vesicle, 7 Branchial arches, 8 Atrium, 9 Ventricle, 10 Lateral fold, 11 Lateral mesoderm, 12 Vitelline arteria vein, 13 Somite, 14 Spine, 15 Tail fold Cross section chicken embryo - 48 hours A. Heart formation: Ieft whole-mount préparation and right cróss section (dorsal párt oriented to thé left) 1 Spine, 2 Somite differentiation (sclerotome dermamyotome), 3 Chorda, 4 Dorsal aorta arches, 5 Cranial cardinale vein, 6 Pharynx, 7 Pericardial cavity, 8 Heart formation C. 48 Hour Chick Embryo Serial Cross Section Series Of SubPopular Posts Iargeasmer.web.fc2.cóm 48 Hour Chick Embryo Cross Section 48 Hour Chick Embryo Cross Section Rating: 4,35 5965 reviews 11111111111111111111 48-hour Chick Embryo Small Image Menu Instructions: The images on this menu will take you to a series of sub-menus containing more small-sized images such as these.
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