103. Lymph node - structure and function. Mucosa associated lymphoid ftodules. Significance of 

lymphoid organs for T- and B- lymphopoiesis (immunopoiesis). 

RESPIRATORY SYSTEM 

104. Respiratory system. Morphological and functional characteristics. Sources of development. 

Extra- and intrapulmonary air passages, structure and function. Cell composition of epithelium of 

air passages. Structural features of trachea and different types of bronchi. 

105. Lungs, structure, function, origin. Characteristics of intrapulmonary bronchi and respiratory 

regions. Cell composition of alveolar epithelium. Air-blood barrier. The features of lungs' blood 

supply. 

INTEGUMENT 

106. Skin. Morphological and functional characteristics, origin. Structure of skin and its 

appendages: sweat and sebaceous glands, hairs, nails. Sex features of skin. 

107. Skin. Structural components and their functions. Thin skin and thick skin. Keratinization 

and regeneration of epidermis. Structure, origin and function of: melanocytes, cells of 

Langherhans and cells of Merkel. Receptor apparatus of skin. 

URINARY SYSTEM 

108. Kidneys. Morphological and functional characterization. Sources and main stages of 

development. Structure and features of blood supply. Nephrons: types, structure, 

histophysiology. Endocrine function of kidney. Structure and location of juxtaglomerular 

apparatus. 

109. Structural and functional characterization of the excretory passages. Ureters, urinary 

bladder, urethra (origin, structure, function). 

REPRODUCTIVE SYSTEM 

110. Male reproductive system. Testes, structure and function. Embryonic and postembryonic 

development, its regulation. Spermatogenesis, its regulation. Blood-testis barrier - structure and 

function. Testes as endocrine organ. 

111. Accessory urogenital organs: epididymus, seminal vesicles, prostate -structure and function. 

112. Female reproductive system. Ovary. Structure, function, embryonic and postembryonic 

histogenesis. Histophysiology of ovary. Ovarian cycle and its regulation. Endocrine function of 

ovary. 

113. Uterus, oviducts, vagina. Origin, structure, function. Ovarian-menstrual cycle -  structural 

basis and hormone regulation. 

114. Mammary gland. Origin, structure and function. Mode of secretion. Structural features of 

resting gland and active gland. Regulation of lactation.