howMed Know Yourself
• Epithelial tissues are formed by closely apposed cells with little or no intercellular material and occur as membranes and … Read More »
Types of Connective Tissue
Ø Loose connective tissue § Areolar tissue § Adipose tissue § Reticular tissue Ø Dense connective tissue § Dense regular … Read More »
CONNECTIVE TISSUE (GENERAL ASPECT)
Introduction ‘Connective tissue’ is the term traditionally applied to a basic type of tissue of mesodermal origin which provides structural … Read More »
Bone
Bone is a specialized connective tissue characterized by mineralized extracellular matrix. Bones are the organs of skeletal system; bone tissue … Read More »
CARTILAGE
n Is a specialised type of connective tissue. n Consists of cells and extracellular components. n Does not contain vessels … Read More »
FETAL MEMBRANES IN TWINS and PRETERM BIRTH
n Dizygotic/Fraternal twins (womb- mates) – 7-11 / 1000 births – By fertilization of two oocytes shed simultaneously – Hereditary … Read More »
Amnion, Umblical Cord and Amniotic Fluid
1) The amnio-ectodermal junction is the primitive umbilical ring. 2) Following structures pass through the ring at the … Read More »
PLACENTA
INTRODUCTION In vertebrate embryo, only part of egg forms the actual embryo while other part is known as the extra … Read More »
3rd Week of Development: Trilaminar Germ Disc
1) Gastrulation •It is the formative process by which three germ layers, which are precursors of all embryonic tissues, and … Read More »
Fertilization and Male Gametes
Fertilization • The process by which male and female gametes fuse to give rise to a zygote. • Occurs in … Read More »