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BRANCHES OF EMBRYOLOGY-
1. DESCRIPTIVE EMBRYOLOGY
This field of embryology is associated with the morphological description of different embryonic stages in the ontoge- netic development of individuals of different species. This involves the initial work of embryologists till 18th century.
2. COMPARATIVE EMBRYOLOGY
It embraces the comparative study of embryology of different animal groups.
3. EXPERIMENTAL EMBRYOLOGY
It involves all those studies that attempt to understand the various fundamental mechanism in the development of different animals, like fertilisation, Cleavage, Gastrulation, Embryonic induction, determination and differentiation.
4. CHEMICAL EMBRYOLOGY
This branch of embryology includes all those studies which employ various biochemical, biophysical and physi- ological techniques for understanding embryological events at molecular level.
5. TERATOLOGY
It is the branch of embryology concerned with the study of malformations or birth defects. The substances that cause birth defects are called tetratogens. Phocomalia (poorly developed arms child), Ectomalia (arm less child)
Explain about the Dehydration? Dehydration is defined as the excessive loss of body water. It may occur because of inadequate intake, or abnormal loss of body water or a combin
COMMON DISEASE OF GOATS - 1 . ANTHRAX 2 . FOOT & MOUTH DISEASE 3 . CONTAGIOUS PNEUMONIA - Characterized by pneumonia & pleurisy, cough, snee
Sources of Water Pollution There are natural sources of water pollutants such as mineral ores from rocks, chemicals, from mines and gases from atmosphere. But we will conside
EMBRYONI C MEMBRANES - Such animals are called amniota. Embronic membranes are of 4 types - (i) Yolk sac - It is formed below the embryo. It contains fluid (no yolk
Gastro Epiploic artery GEA is seldom used now. Patency has been reported as 94 per cent at one year, 88 per cent at five years and 83 per cell1 at ten years. Inferior Epiga
What are the homologous and the heterologous portions of the human sex chromosomes? The Homologous portion is that in which there are genes having alleles in both X and Y sex c
EPITHELIA L TISSUE OR EPITHELIA Epithelium term coined by Ruysh, it was applied originally to thin skin covering the nipple. (G.epi = upon, thele = nipple) Epithelial tis
How does brain recognize difference between high and low c and soft and loud sounds?
Admission Information The physician and nurses are the primary source of facts concerning the purpose of therapeutic plan and expected outcome of hospitalization. The informa
Guards for Machines and Equipment Various machines and equipment used for manufacturing require guards for protecting the operator from any injury. These machines include: Wo
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