histology

An embryo at an early gastrula stage was found during forensic medical examination of a woman who died in a car accident. Name the place of its localization under normal development.

Study of the biopsy material of an embryo revealed a zone of developmental abnormality in a somite. The zone was located close to the endoderm and the notochord. What formations may abnormal development in case of pregnancy continuation have?

The myotome was destroyed in the rabbit embryo during the experiment. What structure disorder by this manipulation can be caused?

The primary Hensen's node wasn’t formed in the embryo during the gastrulation. The development of what axial organ will be inhibited?

The process of a zygote cleavage ends with the blastula formation. What type of blastula is typical for a human?

Chronic poisoning of 38-year-old miner by cadmium compounds resulted in male sterility. Semen analysis revealed the inability of sperm to move. Damage of what cytoskeleton components for this pathology may be responsible?

The sclerotome was destroyed in the bird embryo during the experiment. What structure disorder by this manipulation can be caused?

The embryo on the stage of early gastrulation was found during the forensic medical expertise of a woman who died in the road accident. Name the place of the embryo localization in case of its normal development.

The human blastocyst implantation begins. What period of embryogenesis does at the same time with implantation start?

The human embryo that doesn’t attach to the endometrium was found in the uterus cavity. What stage of embryogenesis is this?

The human ovum represented on histological preparation. There are small amount of yolk inclusions in the cytoplasm of it. Identify the type of ovum.

The outer germ layer (ectoderm) was destroyed in the frog embryo during the experiment. What morphological structure of this embryo will be not developed?

The embryo composed of to blastomeres was found during the microscopic investigation of female reproductive organs removed during the operation. Name the place of the embryo localization in case of its normal development

The gametes precursors (gonoblasts) were revealed in the embryo at 2nd - 3rd weeks of embryogenesis. Where do these cells differentiate?

The chorion is determined at the microscopic examination of the embryo membranes. What is the main function of this organ?

A diagram shows an exocrine gland that has unbranched excretory duct with a terminal part in form of a saccule opening into the duct. How is this gland called according to the morphological classification of exocrine glands?

A slide contains the preparation of a gland composed of several secretory saccule-shaped parts that open in the common excretory duct. What gland is it?

The secretory parts of the apocrine glands contain myoepithelial cells. What is the function of these cells?

The villus of the small intestine is covered by the tissue that consists only of the cells, which form a layer on the basement membrane. The tissue does not contain blood vessels. What tissue does the surface of the villus cover?

The structures of tight junction between the epithelial cells were affected during the experiment. What function of the epithelium will be disordered?

The gland that consists of two acinary secretory parts which open into common excretory duct was found in the skin. What kind of a gland is this?