单项选择题

A．Elastic fibersB．Factor ⅧC．Fenestrated membranesD．Exte……

Which of the following are present in elastic arteries but are NOT seen in muscular arteries

A．Elastic fibers
B．Factor Ⅷ
C．Fenestrated membranes
D．External elastic lamina
E． Basement membrane

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热门试题

单项选择题Of the following cell types found in connective tissue, which is most often present along capillaries and resembles fibroblasts

A．Plasma cell
B．Lymphocyte
C．Macrophage
D．Pericyte
E．Mast cells

单项选择题Which one of the following statements about stratified squamous epithelium is FALSE

A．The surface layer of cells may be keratinized
B．The cells in its most superficial layer are cuboidal
C．It is supported by a basal lamina
D．Its cells possess desmosomes
E．Stratified squamous epithelium is characterized by flattened cells in its superficial layer.

单项选择题Which of the following statements is NOT the process of the tissue preparation

A．Fixation
B．Dehydration
C．Embedment
D．Cover slip
E．Microscope

单项选择题In which of the following sites do lymphocytes become immunocompetent

A．Germinal center of secondary lymphoid nodules
B．White pulp of the spleen
C．Thymus cortex
D．Red pulp of the spleen
E．Paracortex of lymph nodes

单项选择题Prolactin is synthesized and secreted by which of the following cells

A．Acidophils in the pars distails
B．Basophils in the pars tuberalis
C．Somatotrophs in the pars distalis
D．Basophils in the pars intermedia
E．Chief cell