Talk:Book - The Early Embryology of the Chick

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Author: Patten, Bradley M. (Bradley Merrill), 1889-

Subject: Birds -- Embryology

Publisher: Philadelphia P. Blakiston

Possible copyright status: NOT_IN_COPYRIGHT

Language: English

Call number: ABZ-1137

Digitizing sponsor: MSN

Book contributor: Gerstein - University of Toronto

Collection: gerstein; toronto

Navigation Contents

The Early Embryology of the Chick: Introduction | Gametes and Fertilization | Segmentation | Entoderm | Primitive Streak and Mesoderm | Primitive Streak to Somites | 24 Hours | 24 to 33 Hours | 33 to 39 Hours | 40 to 50 Hours | Extra-embryonic Membranes | 50 to 55 Hours | Day 3 to 4 | Figures


  1. Introduction
  2. The Gametes and Fertilization - The ovarian ovum; maturation, ovulation, and fertilization; the formation of the accessory coverings of the ovum; the structure of the egg at the time of laying; incubation.
  3. The Process of Segmentation - The effect of yolk on segmentation; the unsegmented blastodisc; the sequence and orientation of the cleavage divisions in birds.
  4. The Establishment of the Entoderm - The morula stage; the formation of the blastula; the effect of yolk on gastrulation; gastrulation in birds.
  5. The Formation of the Primitive Streak and the Establishment of the Mesoderm - The location and appearance of the primitive streak; the origin of the primitive streak by concrescence of the blastopore; the formation of the mesoderm.
  6. From the Primitive Streak Stage to the Appearance of the Somites - The primitive streak as a center of growth; the growth of the entoderm and the establishment of the primitive gut; the growth and differentiation of the mesoderm; the formation of the notochord; the formation of the neural plate; the differentiation of the embryonal area.
  7. The Structure of Twenty-four Hour Chicks - The formation of the head; the formation of the neural groove; the regional divisions of the mesoderm; the coelom; the pericardial region; the area vasculosa.
  8. The Changes Between Twenty-four and Thirty-three Hours of Incubation - The closure of the neural tube; the differentiation of the brain region; the anterior neuropore; the sinus rhomboidalis; the fate of the primitive streak; the formation of additional somites; the lengthening of the fore-gut; the appearance of the heart and the omphalomesenteric veins; organization in the area vasculosa.
  9. The Structure of Chicks Between Thirty-three and Thirty-nine Hours of Incubation - (The divisions of the brain and their neuromeric structure; the auditory pits; the formation of extra-embryonic blood vessels ;^the formation of the heart; the formation of intra-embryonic blood vessels. ,
  10. The Changes Between Forty and Fifty Hours of Incubation - Flexion and torsion; the completion of the vitelline circulatory channels; the beginning of the circulation of blood.
  11. Extra-embryonic Membranes - The folding off of the body of the embryo; the establishment of the yolk-sac and the delimitation of the embryonic gut; the amnion and the serosa; the allantois.
  12. The Structure of Chicks from Fifty to Fifty-five Hours of Incubation
    1. External Features.
    2. The Nervous System - Growth of the telencephalic region; the epiphysis; the infundibulum and Rathke's pocket; the optic vesicles; the lens; the posterior part of the brain and the cord region of the neural tube; the neural crests.
    3. The Digestive Tract - The fore-gut; the stomodaeum; the pre-oral gut; the mid-gut; the hind-gut.
    4. The Visceral Clefts and Visceral Arches
    5. The Circulatory System - The heart; the aortic arches; the fusion of the dorsal aortae; the cardinal and omphalomesenteric vessels.
    6. The Differentiation of the Somites
    7. The Urinary System.
  13. The Development of the Chick During the Third and Fourth Days of Incubation
    1. External Features. Torsion; flexion; the visceral arches and clefts; the oral region; the appendage buds; the allantois.
    2. The Nervous System. Summary of development prior to the third day; the formation of the telencephalic vesicles; the diencephalon; the mesencephalon; the metencephalon; the myelencephalon; the ganglia of the cranial nerves; the spinal cord; the spinal nerve roots.
    3. The Sense Organs. The eye; the ear; the olfactory organs,
    4. The Digestive and Respiratory Systems, Summary of development prior to the third day; the establishment of the oral opening; the pharyngeal derivatives; the trachea; the lung-buds; the oesophagus and stomach; the liver; the pancreas; the mid-gut region; the cloaca; the proctodaeum and the cloacal membrane.
    5. The Circulatory System. The functional significance of the embryonic circulation; the vitelline circulation; the allantoic circulation; the intra-embryonic circulation; the heart.
    6. The Urinary System. The general relationships of pronephros, mesonephros, and metanephros; the pronephric tubules of the chick; the mesonephric tubules.
    7. The Coelom and Mesenteries.