acervulus腦沙、松果體石學術名詞分生孢子堆:生命科學腦砂:動物學腦沙:人體解剖學分生孢子盤:植物學分生子堆:植物學孢子層:植物學英文釋義small asexual fruiting body resembling a cushion or blister consisting of a mat of hyphae that is produced on a host by some fungi