Histology & Microscopic Anatomy Illustration Flashcards
7 cards from real CMI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Histology & Microscopic Anatomy Illustration flashcards as text
When illustrating the blood-brain barrier for a neuroscience textbook, which combination of cellular components must be accurately depicted as forming this selective barrier?
Answer: Tight junctions between brain capillary endothelial cells, astrocyte end-feet, and pericytes
The blood-brain barrier is formed by tight junctions between brain capillary endothelial cells, reinforced by astrocyte end-feet and pericytes that regulate permeability.
A medical illustrator must depict spermatogenesis in a testis cross-section. In which labeled structure does this maturation process occur?
Answer: Seminiferous tubules
Spermatogenesis occurs within the seminiferous tubules, where spermatogonia at the basement membrane progressively mature into spermatozoa at the luminal surface.
When creating an illustration of synaptic transmission for a neuroscience chapter, which presynaptic structure should be depicted as containing and releasing neurotransmitter vesicles?
Answer: Axon terminal (synaptic bouton)
Neurotransmitters are stored in synaptic vesicles within the axon terminal (synaptic bouton) and released by exocytosis into the synaptic cleft upon calcium influx.
In histological illustrations of bone remodeling, which cells should be depicted as large, multinucleated cells residing in Howship's lacunae on the bone surface?
Answer: Osteoclasts
Osteoclasts are large multinucleated cells derived from monocyte precursors that resorb bone matrix by secreting acids and proteolytic enzymes in Howship's lacunae.
When illustrating the ultrastructure of a sarcomere for a muscle physiology textbook, which protein forms the thick filaments that a medical illustrator must accurately represent?
Answer: Myosin II
Myosin II forms the thick filaments of the sarcomere, with its globular head domains interacting cyclically with thin actin filaments to generate contractile force.
A medical illustrator is labeling the layers of the epidermis in a skin cross-section diagram from deep to superficial. Which sequence is anatomically correct?
Answer: Stratum basale → spinosum → granulosum → corneum
The epidermal layers from deep (basement membrane) to superficial (skin surface) are: stratum basale, spinosum, granulosum, and corneum (with stratum lucidum in thick skin).
In illustrating lymph node architecture for an immunology textbook, which compartment predominantly contains B lymphocytes and displays pale germinal centers during an active immune response?
Answer: Cortical follicles (B cell zone)
B lymphocytes predominate in cortical follicles; secondary follicles develop pale germinal centers where B cells undergo clonal expansion and affinity maturation during immune responses.