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Dental Institutions » Anatomy » Embryology » Models

 

General Embryology

EM 1First Meiotic Division.
EM 2Second Meiotic Division.
  

Ovulation to Implantation (First Week of Development)

EM 3Changes Occuring in Primordial Follice during  1st half of Ovarian Cycle.
EM 5Grrafian Follicle, Ovulation, Corpus Luteum.
EM 6Relationship of Fimbriae and Ovary.
EM 7Schematic Representation of the Three Phases of Oocyte Penetration.
EM 8

Schematic Representation of a Section through a Human Blastocyst Recovered from the Uterine Cavity at approx.  days.

EM 9Schematic Representation of the Events taking place during the First Week of Human Development.
EM 10Schematic Representation of the Changes taking place in the Uterine Mucosa Correlated with Those in the Ovary.
  

Formation of the Bilaminar Germ Disc (Second Week of Development)

EM 11Human Blastocyst 9 Days.
EM 12Human Blastocyst  of approx. 12 days.
EM 13Human Blastocyst 13 Days.
  

Formation of the Trilaminar Germ Disc (Third Week of Development)

EM 14Development of Villus.
EM 15Villus at the end of the third week of the development.
EM 16Presomite Embryo and the Trophoblast at the end of the third week.
  

Derivatives of the Germ Layer

EM 17Presomite Embryo of a 16 days.
EM 18Presomite Embryo of a 19 days.
EM 19Presomite Embryo of a 20 days.
EM 20Human Embryo at 22 days.
EM 2114 Somite Embryo (App. 25 days).
EM 2225 Somite Embryo 28 days.
EM 23Transverse Sections the Development of the Mesodermal Germ Layer Day 17, 19, 20 & 21 Days.
EM 24Extra and Intra - Embryonic Vascularization in an Embryo at the end of 3rd week.
EM 25

Transverse Section through Embryo at Various Stages of Development to show the effect of the Lateral Folding on the Entoderm-Lined Cavity Connection between the Gut and the Yolk Sac, The Closed Ventral Abdominal wall and the Gut Suspended from the Dorsal Abdominal Wall.

  

Development of Fetal Membranes and Placenta

EM 26Human Embryo at the Beginning of the Second month of the Development.
EM 27Structure of the Villi at Various Stages of Development.
EM 28Relation of the Fetal Membranes & the Wall of the Uterus.
EM 29Placenta in the Second Half of Pregnancy.
EM 30Full term Placenta.
EM 31Development of Dizygotic Twins, Each Embyo normally has its own Amnion, Chorion & Placenta.
EM 32Relation of fetal membranes in monozygotic twins.
EM 33Skull of new born.
EM 34Development of the limb buds at 5,6,8 weeks.
EM 35Formation of the vertebral column at various stages of development.
  

Muscular System

EM 36

Transverse section through a 4 week embryo showing cell of myotome & migration of cells of mytome

EM 37Transverse section through the thoracic region of a five week embryo.
  

Urogenital System

EM 38

Transverse sections through embryos at various stages of development to  show the formation of the nephric tubule at 21 days & 25 days

EM 39Development of the renal pelvis, calyces and collecting tubules of the metanephros at 6weeks, 7weeks, new born
EM 40Relationship of hindgut and cloaca at the end of 5th weeks
EM 41Ascent of the kidney
EM 42Division of the cloaca into the urogenital sinus and anorectal canal at the end of 5 week, 7 week & 8 week
EM 43Development of the urogenital sinus into the urinary bladder
EM 44Relationship of the ureters and mesonephric ducts during development
EM 45Transverse section through the testis in the 8th week of the development
EM 46

T. S. Ovary at the 7th week of development showing the degeneration of the primitive sex cords and the formation of the cortical cords

EM 47Genital ducts in the female at the end of the second month of development
EM 48Formation of the uterus and vagina
EM 49Formation of the uterus and vagina at various stages of development
EM 50Indifferent stage of the external genitalia
EM 51Development of external genitalia in the male at 10 weeks
EM 52Development of the external genitalia in the female at the 5 month and in the new born
EM 53Descent of the testis, during the 2nd month, middle of the 3rd month, 7th month and shortly after birth
EM 54Testis , epididymis , ductus deferens, and the various layers of the abdominal wall which surround the testis in the scrotum
  

Cardiovascular System

EM 55Septation of ventricle & bulbus cordis.
EM 56Formation of the atrioventricular valves and chordal tendineae.
EM 57Development of the umbilical and vitelline veins at the end of 4th week, 5th week, in the 6th week and in the third month.
EM 58Main intra and extra-embryonic arteries & veins in a 4 mm. Embryo (end of the 4th week)
EM 59Main components of the venous system in a 4 mm. Embryo (end of the 4thweek)
EM 60Human circulatory before birth
EM 61Human circulatory after birth
  

Digestive Tube And Its Derivatives

EM 62Sagittal section through the cephalic end of embryo app. 25 days
EM 63Series of human embryos to show the development of the pharyngeal arches app. 25 days, 28 days and five weeks
EM 64Development of the pharyngeal clefts and pouches
EM 65Representation of the migration of the thymus, parathyroid glands, and ultimobranchial body
EM 66Development of tongue (set of 4)
EM 67Successive stages in the development of the trachea and lungs at three weeks, four weeks, five weeks & six weeks
EM 68The primitive gastro-intestinal tract 25days
EM 69Development of liver
EM 70Development of stomach
EM 71Development of pancreas
  

Central Nervous System

EM 72Dorsal view of a late presomite embryo and dorsal view of human embryo 18 days & 20 days.
EM 73Various type of spina bifida.
EM 74Ventrolateral view of the optic cup and optic stalk of 6 week embryo.
  

Face, Nose & Plate

EM 75Frontal aspect of the face at five week embryo and six week, seven weeks & ten weeks (development of face).
EM 76Development of eye.
EM 77Development of ear.
EM 78Ventral view of the palate gum, lip and nose.
  

Integumentary System

EM 79Development of a hair and a sebaceous gland at four months, six months, newborn.
EM 80Developing mammary gland at the third and eighth months and the positions of accessory nipples.
EM 81Formation of the tooth at successive stages of development at 8 week, 10 weeks, 3 months,6 month eight months and after eruption.