A 23-year-old man sustains a deep laceration across the palm while cooking. Vital signs are stable: BP 118/76 mmHg, HR 88/min, RR 16/min. During surgical repair, the surgeon observes that the injured skin lacks hair follicles and contains a distinct, glossy stratum lucidum layer. Histologic examination confirms increased keratin density. The wound does not involve subcutaneous fat. Which of the following best describes this tissue type?
- A)Transitional epithelium with umbrella cells
- B)Thin skin with sebaceous glands and arrector pili muscles
- C)Thin skin lined by nonkeratinized stratified squamous epithelium
- D)Thick skin with keratinized stratified squamous epitheliumGABARITO
- E)Simple cuboidal epithelium with sweat ducts only
Explicação
The palms and soles are covered by thick skin, which contains keratinized stratified squamous epithelium and a prominent stratum lucidum. Thick skin lacks hair follicles and sebaceous glands, fitting the palmar laceration in the vignette. This is a classic hig... Ver explicação completa e trilha adaptativa →