GENERAL HISTOLOGY

Detailed explanation-1: -Epithelial tissues do not contain blood vessels and as such are avascular.

Detailed explanation-2: -Answer and Explanation: The correct answer is A) Epithelial tissue. Epithelial tissues are avascular tissues because they lack blood vessels (arteries and veins) and blood capillaries. Epithelial tissues cover the external body surfaces and also the inner surfaces of cavities of internal organs and glands.

Detailed explanation-3: -Answer and Explanation: Epithelial and connective tissue are generally avascular, which means they lack a blood supply. While, Muscle and nervous tissue are vascular tissues, which means they have a strong blood supply.

Detailed explanation-4: -Connective tissues can have various levels of vascularity. Cartilage is avascular, while dense connective tissue is poorly vascularized. Others, such as bone, are richly supplied with blood vessels.

Detailed explanation-5: –As epidermis is the top layer of skin, it does not contain any blood vessels.