MICROANATOMY

EPITHELIUM CONNECTIVE TISSUE SKIN

CONNECTIVE TISSUE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In adults, new connective tissue cells originate from the ____
A
mesoderm
B
mesenchyme
C
ectoderm
D
endoderm
Explanation: 

Detailed explanation-1: -It has been generally believed that all cellular elements of connective tissue, including fibroblasts, adipocytes, chondrocytes, and bone cells, are generated solely by mesenchymal stem cells.

Detailed explanation-2: -The mesenchyme develops into the tissues of the lymphatic and circulatory systems, as well as the musculoskeletal system. This latter system is characterized as connective tissues throughout the body, such as bone, and cartilage.

Detailed explanation-3: -Mesenchyme is an embryonic precursor tissue that generates a range of structures in vertebrates including cartilage, bone, muscle, kidney and the erythropoietic system. Mesenchyme originates from both mesoderm and the neural crest, an ectodermal cell population, via an epithelial to mesenchymal transition (EMT).

Detailed explanation-4: -[3] Mesenchyme is a loosely organized embryonic connective tissue with undifferentiated cells that produce most of the tissues of the body. Mesenchyme arises from the mesodermal layer of the trilaminar embryonic disc of the early embryo. As a result, most connective tissues arise from mesoderm.

There is 1 question to complete.