Міністерство охорони здоров’я україни ісаєва О. С


Complete the sentences by choosing appropriate prepositions from those in brackets. Entitle the complete text and translate it into Ukrainian



Сторінка259/391
Дата конвертації24.01.2021
Розмір5.7 Mb.
1   ...   255   256   257   258   259   260   261   262   ...   391
Complete the sentences by choosing appropriate prepositions from those in brackets. Entitle the complete text and translate it into Ukrainian.

The meninges is the system ___ (for / of) membranes which envelops the central nervous system. The meninges consist _____ (of / from) three layers: the dura mater, the arachnoid mater, and the pia mater. The primary function of the meninges and of the cerebrospinal fluid is to protect the central nervous system. The dura mater is a thick, durable membrane, closest ____ (to / at) the skull. It is composed ____ (with / of) dense fibrous tissue. The dura mater is a sac which envelops the arachnoid and has been modified to serve several functions. The dura mater surrounds and supports the large venous canals carrying blood ___ (from / with) the brain ___ (toward / inside) the heart. The middle element ____ (of / in) the meninges is the arachnoid matter, so named because of its spider web-like appearance. It provides a cushioning effect ___ (for / via) the central nervous system. The arachnoid matter is composed of fibrous tissue and, like the pia mater, is covered ___ (with / by) flat cells also thought to be impermeable ___ (for/to) fluid. The pia or pia mater is a very delicate membrane. It is the meningeal envelope which firmly adheres ____ (at / to) the surface of the brain and spinal cord. As such it follows all the minor contours of the brain. The pia mater is pierced by blood vessels which travel ___ (onto / to) the brain and spinal cord, and its capillaries are responsible ____ (at / for) nourishing the brain.




  1. Поділіться з Вашими друзьями:
1   ...   255   256   257   258   259   260   261   262   ...   391


База даних захищена авторським правом ©res.in.ua 2019
звернутися до адміністрації

    Головна сторінка